on-site deployment plandavid/pet/tmpfy03.doc · web viewwe intend to ask the pet cor, who is also...
TRANSCRIPT
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FY 2003 Technology Master Plan
for
Programming Environment and Training Supportto the
DoD High Performance Computing Modernization Program
Submitted by:The MOS Consortium
7 November 2002
High Performance Computing Modernization OfficeArlington, Virginia
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TABLE OF CONTENTS
PARAGRAPH PAGE
Introduction 1.0 2
Goals for the TMP 1.1 2
DoD Approach to Technology Planning 1.2 2
FY04 Project Task Process 2.0 2
Solicitation/Recommendation Plan 2.1 3
Integrated Master Schedule for FY03 2.2 3
FA Roadmaps 3.0 4
CWO 3.1 4
EQM 3.2 9
CE 3.3 12
SIP 3.4 16
IMT 3.5 19
FMS 3.6 22
ET 3.7 29
CFD 3.8 31
CSM 3.9 36
OKC 3.10 34
EOTC 3.11 38
Multidisciplinary and Cross-Component Roadmaps
3.12
39
Summary 4.0 40
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1.0 Introduction. The Technology Master Plan (TMP) is a MOS consortium document that
looks at the relevant technologies in the Programming Environment and Training (PET) program
with respect to what the current state-of-the-art is, where technology development is headed, and
what additional development is required to implement these technologies for the DoD High
Performance Computing (HPC) user base. The TMP lays out the perceived needs within each
Functional Area (FA) as well as across multiple FAs. It will continue to evolve as the PET
program progresses. This is the Year 2 version of the plan.
1.1 Goals for the TMP. The overarching goal for the TMP is to capture the evolving “system
of plans” for all the MOS PET FAs to ensure that DoD HPC users have access to and can
implement the most current technologies to benefit the warfighter. This “system of plans” forms
the primary basis each year for the development and selection of PET Project Tasks. As such, it
captures the thinking and ideas of a large number of Government PET leadership, Government
Computational Technology Area (CTA) leads, DoD users, Functional Area Points of Contact
(FAPOCs), on-site PET personnel, etc. — i.e., the full set of stakeholders for PET. Since those
thoughts and ideas are constantly being upgraded as technical and scientific progress is made, the
TMP is, by definition, a “living” document. But the intent is to provide the MOS team as well as
the Government with a solid rationale for proceeding along certain paths of research,
development and technology transfer that are most relevant to critical DoD needs in HPC.
1.2. DoD Approach to Technology Planning. Over a number of years, the majority of DoD
laboratories have adopted a generic “roadmap” approach to both foresee progress in technology
development programs as well as to justify current and out-year budget requests. This approach
uses progressive roadmaps that succinctly describe sequential or parallel tasks to be
accomplished (and funded) in order to reach broad-based research goals. Such plans typically
look forward 3-5 years (the standard DoD funding cycle) and are updated at least annually.
The PET TMP uses the roadmap format to forecast core and project efforts for the “fiscal
year after next” based on a knowledge of the core and project effort for the current fiscal year.
2.0 FY04 Project Task Process. The FY04 Project Task process has been initially delineated
in the Government’s Selection/Evaluation Plan (SEP), released to the PET contractors on 24
October 2002. It follows the same general process as that for the previous year. Based on the
schedule outlined in the SEP, the contractors’ Solicitation/Recommendation Plans (SRPs) are
due back to the Government on 12 November 2002. The white papers are due to the Government
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on 7 February 2003. The Government will select white papers and request full proposals on 4
March 2003. Final proposals are due back to the Government on 6 May 2003.
2.1 Solicitation/Recommendation Plan. The SRP will reflect the views of the MOS
leadership on how we will solicit white papers, the process by which we will recommend white
papers to the Government for full proposals, and the process by which we will recommend
proposals to the Government for funding. This process will be funding limited, and MOS will
use an allocation spreadsheet to support our recommendations. The full SRP will be delivered to
the Government on 12 November.
2.2 Integrated Master Schedule for FY03. Based on the dates in the SEP, MOS has updated the
Integrated Master Schedule (IMS) for this fiscal year. It includes all key dates of which we are currently aware.
Start End PET Activity Action OPR01-Oct-02 01-Oct-03 FY04 Projects
01-Oct-02 28-Oct-02 PreparationGovernment Evaluation/Selection Plan (White Papers and Proposals)
Govt
28-Oct-02 28-Oct-02 Distribution of Govt selection plan to KTRs COR, KO
28-Oct-02 12-Nov-02 Preparation of Solicitation/Recommendation Plan (SRP)
KTRs
12-Nov-02 12-Nov-02 SRP Due KTRs13-Nov-02 21-Nov-02 Govt review of SRP Govt21-Nov-02 21-Nov-02 Govt feedback to SRP COR09-Dec-02 04-Mar-03 Phase I: White Papers
09-Dec-02 07-Feb-03 Preparation of White Papers (WPs) KTRs
07-Feb-03 07-Feb-03 WPs due to HPCMO KTRs10-Feb-03 21-Feb-03 Govt WP Review KTRs24-Feb-03 28-Feb-03 Selection of WPs for 2nd phase Govt
03-Mar-03 04-Mar-03 Notification to KTRs of selections of WPs for development of full proposals
COR, KO
05-Mar-03 28-Jul-03 Phase II: Proposals
05-Mar-03 25-Apr-03 FAPOCs and PIs prepare full proposals
FAPOCs, PIs
25-Apr-03 25-Apr-03 Proposals due to MOS Mgt FAPOCs, PIs
25-Apr-03 06-May-03 MOS Mgt prepares proposal book and recommendation MOS Mgt
06-May-03 06-May-03 Proposals due to HPCMO KTRs
06-May-03 06-May-03 Recommendations from KTRs due KTRs
07-May-03 13-Jun-03 Govt Review of Proposals GovtStart End PET Activity Action OPR
16-Jun-03 19-Jun-03 Decision on Proposals COR, KO10-Jul-03 28-Jul-03 Cost negotiations with FAPOCs,
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Government PIs, MSU
28-Jul-03 28-Jul-03 Govt issues request for task orders to KTRs COR, KO
23-Sep-03 30-Sep-03 MSU issues contracts mods to subcontractors MOS Mgt
01-Oct-03 30-May-04 Phase III: Implementation FY03 project tasks are conducted PIs
31-Oct-02 31-Oct-02 TMP for KY2 due DPD, FAPOCs
16-Nov-01 22-Nov-01 SC02 @ Baltimore All03-Feb-03 07-Feb-02 PET Technical Review @ CAU All
19-May-02 23-May-03 PET Annual Contract Review @ ARL All
09-Jun-03 13-Jun-02 UGC 2003 @ Bellevue, WA All
Acronyms: KTR = Contractor, COR = Contracting Officer's Representative (Leslie Perkins), KO = Contracting Officer (Brenda Spence for MOS), PD = Program Director (Joe Thompson), DPD = Deputy Program Director (Dick Pritchard), PI = Principal Investigator (on a project)PM = Program Manager (Zak Kozak)
3.0 FA Roadmaps. The MOS FA roadmaps were updated by the FAPOCs, in conjunction with
their User Advisory Panels (UAPs) and other resources.
3.1 Climate/Weather/Oceans Modeling (CWO). MOS CWO efforts are organized to meet
these general strategic objectives:
Improve the performance and scalability of strategic ocean and atmospheric models
to enable higher resolution simulations and minimize time to produce forecasts.
Improve the HPC user environment and tools to enable rapid porting and tuning of
strategic CWO codes and of visualization/analysis of CWO data.
Evaluate and develop new technologies and techniques in code coupling, data
assimilation, ensemble calculations, and meshes and coordinate systems for
enhancing CWO simulation capabilities and accuracy.
The CWO FAPOC works with the CWO CTA leader, the UAP, and on-site staff to compile
and update a list of the highest priority specific strategic issues that DoD CWO researchers face.
This list is used to develop a tactical execution plan for on-site activities, develop and deliver
training classes, and guide potential PET project PIs in formulation of proposals. Many of these
issues are dependent on cross-cutting technologies (CE, ET) and other CTAs (EQM, CFD).
These inter-FA relationships are noted and these issues discussed with other relevant FAPOCs to
ensure that PET activities to address these inter-FA issues are coordinated.
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The use of on-sites to support CWO users will expand in Year 2 to encompass users not
located at the three locations with on-sites. For example, users at AFRL and AFWA have
requested assistance. John Romo, the on-site at Monterey, will also support these users because
of their overlapping applications area (atmospheric modeling/weather prediction). CWO needs at
other locations will be assessed and addressed with current on-sites.
There are a number of top-level strategic issues that CWO is addressing [NOTE: The issues
below are not ranked in relative importance. However, the list is used to develop priorities for
each type of PET activity: for on-site support activities, for training classes, and for new projects.
Most issues can be addressed via multiple types of PET activities (training, on-site support,
and/or projects), but for each the greatest potential for impact might come from a different
activity. These activities are listed in order of expected impact for each issue. In general, the first
four issues are most amenable to CE and ET projects, CE or CWO on-site support, and CE
training. The fifth issue is most amenable to CWO on-site support and CWO training. The
remaining issues are most amenable to CWO projects.]:
Porting and optimizing CWO codes to/for new HPC systems
Inter-FA relationships/dependencies: CE
PET Activities: CWO on-site support, CWO and CE projects, CWO training
CWO codes are among the largest consumers of HPC cycles, so CWO users grab
cycles on whichever systems they can get allocations. However, efficient
utilization of these systems requires making codes portable as well as efficient:
time is often lost learning how to execute in a new environment, and once ported
the code must take advantage of the new architecture efficiently to scale to large
problems.
Easier programming tools to enhance porting and optimizing (profilers, debuggers,
numerical libraries, parallel libraries, etc.)
Inter-FA relationships/dependencies: CE
PET Activities: CE projects, CE training (also CWO or CE on-site support)
Common and consistent programming tools (see #2) and user environments (queue
structures, batch queue systems, data handling systems, etc.).
Inter-FA relationships/dependencies: CE
PET Activities: CE projects, CE training (also CWO or CE on-site support)
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This issue and the previous one are not the same. CWO users would prefer both
easier and consistent tools and environments, but achieving either is would be a
big success. Both of the first two issues are thus very important.
Enhanced capability for executing ensemble simulations—scheduling jobs/locating
resources, moving data, collecting results, etc.
Inter-FA relationships/dependencies: CE
PET Activities: CWO and CE projects, CWO training (also CWO on-sites)
Ensemble calculations are used to improve accuracy and bound predictions, but
are currently most often performed as independent simulations and then data is
collected at the end. Computational grids, meta-scheduling, automated data
handling tools, etc. would enhance execution of ensemble simulations.
More scalable programming algorithms/solvers, tools, and systems (lower latency
computing systems programming libraries, 2D/3D elliptic solvers, etc.)
Inter-FA relationships/dependencies: CE, ET
PET Activities: CE and ET projects, MSRC/ADC/DDC coordination, and on-site
support
High-resolution simulations are critical to making accurate predictions and must
execute rapidly to produce useful forecasts. Thus, CWO is even more dependent
than most FAs on highly scalable components.
Enhanced visualization capabilities of model output for remote users.
Inter-FA relationships/dependencies: ET
PET Activities: ET projects, on-site support
Code coupling between models (e.g. deep-ocean and coastal, ocean and atmosphere
models, ocean and ice models, and including biology/chemistry models, aerosols,
contaminant/drift transport, etc.).
Inter-FA relationships/dependencies: ET, EQM and others (CEA, SIP, etc.)
PET Activities: CWO and ET projects
Investigations/evaluations of non-uniform meshes for estuaries/coastlines
Inter-FA relationships/dependencies: EQM, ET
PET Activities: CWO, EQM and ET projects, on-site support
Faster (esp. more scalable and better load-balanced) variational data assimilation
techniques including automatic adjoint compilers
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Inter-FA relationships/dependencies: EQM, ET, CE
PET Activities: CWO, ET, CE, EQM projects (other CTAs?)
Investigations/evaluations of vertical coordinate systems for accuracy
Inter-FA relationships/dependencies: EQM, CFD
PET Activities: CWO, EQM projects
CWO project tasks for FY03 include:
CWO-03-002: Infrastructure Development for Regional Coupled Modeling
Environments (PI: John Michalakes, National Center for Atmospheric Research
[NCAR])
CWO-03-008: Enhancing the Capabilities of a Three-Dimensional Nearshore Ocean
Circulation Model System (PI: Chandrasekher Narayanan, University of Southern
Mississippi [USM])
Closely related project tasks include:
CE-03-001: Application Portability
CE-03-006: Data Management and I/O for DoD Applications
CE-03-004: PAPI Deployment, Evaluation, and Extensions
CE-03-002: Consistent Well-documented Computational Environment
ET-03-001: EnVis and EnVisU — Distributed High Performance Batchmode
Visualization
ET-03-002: Geometry-Grid Tool Kit for Multidisciplinary Applications
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The strategic roadmap for CWO is as follows:
The first five strategic issues will be covered by on-site support. CWO project and training
class formulation in FY04-06 will be coordinated closely with the CE and ET FAPOCs because
of the significant relationship of strategic issues to those FAs. CWO users are also interested in
coupling models, so CWO project formulation in these topics in FY04-06 will be coordinated
with other relevant FAs, in particular EQM and CFD. CWO users are interested in mesh/grid and
coordinate schemes that increase accuracy, performance, and capability: irregular/unstructured
meshes for coastlines, bays, and inland seas; and vertical coordinate systems for quantifying
tradeoffs and determining when each is most appropriate. CWO project formulation in these
topics in FY04-06 will be coordinated with other relevant FAs, in particular the “grid-based”
FAs. Finally, CWO users are interested in faster data assimilation techniques (probably the most
uniquely CWO of the top 10 strategic issues). CWO project formulation in this area will be
conducted in close collaboration with DoD users requiring better assimilation techniques.
The CWO UAP includes:
Alan Wallcraft (Naval Research Laboratory-Stennis Space Center [NRL-SSC])
Jane Smith (U.S. Army Engineer Research and Development Center [ERDC])
Rich Hodur (NRL-Monterey)
Frank Ruggiero (Air Force Research Laboratory [AFRL])
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Strategic Issue1. Porting/optimizing CWO
codes to new HPC systems
2. Easier tools and environments
3. Common and consistenttools and environments
4. Enhanced ensemble simulation capabilities
5. More scalable algorithms and tools
6. Enhanced visualization capabilities
7. General code coupling for ocean, atmos, bio/chem…
8. Unstructured and irregular meshes
9. Exploring vertical coordinate systems
10. Faster, load balanced data assimilation
FY02 FY03 FY04 FY05 FY06
CWO007 CWO011
CWO & CE projects
CE projects
CWO & ET projects
CWO/CE/ET Training
CE Training
CE projects
CE & ET projects
CWO & EQM projects
CWO projects
CWO & ET projects
CWO projects
CE Training
CE Training
CWO Training
CWO Training
CE009
CE010
CWO Training
CWO Training
CWO & ET Training
CWO Training
Functional Area: CWO
CE002
CE004
CWO008 CE01/06 CWO & CE Projects
CWO002
ET001
ET002
ET012 ET017
CE019
New ‘top10’ issue in FY 02
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3.2 Environmental Quality Modeling (EQM). The top priorities for EQM support include:
Development and implementation of new accurate parallel discretizations with
adaptivity based on a posteriori error estimators and scalable solvers for
environmental quality models.
Code coupling of multiphysics, multiphase, multicomponent flow and reactive
transport. Both loose and tightly coupled models would be considered.
The most pressing EQM issues are:
Accurate transport schemes defined on unstructured meshes.
Coupling of groundwater and surface water flow models with reactive transport.
Accurate flow models for the vadose zone.
A posteriori error estimators for flow and reactive transport
Improved linear and nonlinear solvers
EQM project tasks for FY03 include:
EQM-03-003: Enhancements to ADH and CE-QUAL-ICM (PIs: Mary F. Wheeler
and Clint Dawson, The University of Texas at Austin [UT-Austin])
EQM-03-006: Error Estimators/Indicators for Environmental Quality Modeling (PIs:
Mary F. Wheeler and Clint Dawson, UT-Austin)
The strategic roadmap for EQM is as follows:
EQM project areas for FY04-06 are as follows:
EQM/CWO-ADH: Enhancements to the Adaptive Hydrology Model and CE-QUAL:
Two very important codes developed at ERDC are the hydrodynamics code Adaptive
Hydrology (ADH) Model and the water quality model CE-QUAL-ICM. The planned
enhancements include state-of-the-art transport with adaptivity in both codes as well
as multiphase multi-component flow with biogeochemistry in ADH. Time stepping, 9
F u n c t io n a l A r e a : E Q M
S tr a t e g ic F o c u s e d A r e a s F Y 0 2 F Y 0 3 F Y 0 4 F Y 0 5 F Y 0 6
E Q M 0 0 3R e d u c e d F u n d in g b y 1 4 %
2 . C o d e C o u p l in g a n d E n h a n c e m e n ts
3 . Im p r o v e d A l g o ri th m s fo r F lo w a n d T r a n s p o rt E Q M 0 0 3
E T 0 0 3E T 0 0 4
R e d u c e d F u n d in g b y 7 0 %
5 . C o m p u t e r S c ie n c e T o o ls
1 . A D H E n h a n c e m e n ts a n d C E -Q U A L - IC M E Q M 0 0 1 N O T F U N D E D
N O T F U N D E D
N O T F U N D E D
N O T F U N D E D
4 . E rr o r E s t im a to r s a n d A d a p ti v ity E Q M 0 0 6 N O T F U N D E D
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linear and nonlinear solvers, and operator splitting strategies that include treatment of
uncertainty and risk assessment will be major topics considered.
EQM/CWO/CE-MC: Code Coupling and Enhancements: Advanced multiphysics,
multi-resolution and multi-domain simulations are typically composed of multiple
components that require couplings and interactions at different levels. Different
physical processes (e.g. flow, transport, and reactions) may occur within the same
physical domain or in different physical domains (with different meshes and time-
steps), giving rise to varied interaction requirements and constraints. These range
from tight in-core coupling, to loose coupling through mortar elements,
interpolation/projection of quantities from one computational mesh to another, and
disk-based data coupling. Parallel implementation issues must be examined to ensure
that the couplings are efficient. Specific examples of DoD applications in EQM and
CWO giving rise to multi-physics models include the Northern Gulf Littoral
Initiative, modeling of the Florida Everglades, and ongoing research in the coupling
of hydrodynamic and groundwater flow models. In these applications, one needs to be
able to couple, e.g., surface water codes, groundwater codes, and reactive transport
codes. EQM proposes to investigate computational science tools that will help to
create a framework for studying complex physical systems by allowing for robust
interfaces/couplings between DoD codes. Specific codes of interest include TABS,
ADCIRC, CH3D-Z, CE-QUAL-ICM, and ADH, but other codes may also be
impacted as well.
EQM/CWO/ET-FEM: Improved Algorithms for Flow and TransportImproved
discretization schemes for mesh-based computations crosscut a number of functional
areas. In EQM and CWO applications, time-dependent flow and reactive transport
problems arise, and require efficient, accurate discretization strategies. New
algorithms such as Discontinuous Galerkin, and related finite volume methods
provide mechanisms for hand-ling highly advective flow on unstructured and
adaptive meshes, and are locally conservative. Investigation and implementation of
these algorithms for flow and transport applications are ongoing and will continue.
More traditional finite element and finite difference methods are still suitable for
many applications and/or different physical processes. Therefore, multi-algorithmic
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strategies that couple traditional methods with these emerging discretization strategies
are also being considered.
EQM/CWO/ET-EEAU: Error Estimators and Adaptivity and Uncertainty: In
numerical simulations, errors due to mesh discretization, function approximation,
temporal discretization, and uncertainty in physical parameters, can often lead to very
inaccurate results. While a priori error analysis demonstrates convergence of the
solution with fine enough resolution, this type of analysis does not give an estimate of
the error for a given level of resolution. Nor do these estimates provide guidance in
where to put mesh points or higher order polynomials in order to obtain accurate
results most efficiently. Thus, the reliability of computed quantities is an important
issue in numerical modeling; moreover, it is desirable to compute reliably accurate
solutions with minimal degrees of freedom. Error estimation involves post-processing
the numerical solution to obtain computable bounds on the difference between the
numerical and true solutions. In most cases, these bounds are themselves only
approximate, but still can be useful as error indicators; i.e., indicating where the
primary solution errors are occurring. Through these tools, one can not only estimate
the accuracy of a computed solution, but also use this information to adaptively
change the mesh and/or approximating space. There has been substantial research on
such techniques for linear, steady state problems. Only recently have researchers
begun to consider extending these ideas to nonlinear, time dependent applications,
such as those arising in CFD and EQM. Here error estimators for local and global
error measures and other quantities of interest in flow and transport simulations as
well as implementation and testing of estimators in parallel adaptive codes will be
investigated. Determining acceptable confidence intervals in the presence of uncertain
data will also be addressed.
The EQM UAP includes:
Bill Burnett (Commander Naval Meteorology and Oceanography Command
[CNMOC])
Cheryl Ann Blain (Naval Oceanographic Office [NAVO])
Mark Dortch (ERDC)
Stacy Howington (ERDC)
Fred Tracy (ERDC)
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Pei-Fang Wang (U.S. Navy Space and Naval Warfare Systems Command
[SPAWAR])
3.3 Computational Environments (CE). The top priorities for CE are:
A computational environment that is consistent, well-documented, and easy-to-use
across the MSRCs/ADCs/DDCs
Debugging and performance analysis tools that are scalable and easy-to-use in the
MSRC/ADC/DDC environment
CE will concentrate on:
Enabling DoD users to determine what performance they are getting and improve that
performance on MSRC/ADC/DDC platforms
Parallelization strategies and programming practices that enhance application
portability across platforms
Tools and strategies for efficient file management and I/O
Use of COTS tools and collaboration with tool vendors on new tool features
Training in new programming tools and methodologies (Core)
CE needs as determined by the UAP are:
Consistent computational environment
Same tools (i.e., debuggers, performance analyzers) across sites and HPC
platforms
Adequate documentation and user support for deployed tools
Performance evaluation
Determine what performance my application is getting
Improve application performance on HPC platforms
Easy to use performance analysis tools
Application portability and scalability
Parallelization strategies that are portable across platforms
Tools and programming language practices that enhance portability
Application scalability to hundreds and even thousands of processors
File management and I/O
Manage input and output files and stage them where my application will run
Use parallel I/O and asynchronous I/O to improve performance
Share files with other users
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Debugging
Use an interactive debugger in the batch queuing environment
CE needs related to specific FAs are:
EQM need for linear and non-linear solvers, including iterative methods
and preconditioners
SIP (and other FA) need for integration of MATLAB with HPC
environment
CWO (and other FA) need for cluster computing
CE project tasks for FY03 include:
CE-03-001: Application Portability (PI: David Cronk, The University of Tennessee-
Knoxville [UTK])
Guidelines and tools for writing portable MPI and OpenMP programs in Fortran
and C
CE-03-002: Consistent Well-documented Computational Environment (PI: Shirley
Moore, UTK)
CE-03-004: PAPI Deployment, Evaluation, and Extensions (PI: Shirley Moore,
UTK)
CE-03-006: Data Management and I/O (PI: David Cronk, UTK)
Asynchronous and/or parallel I/O for I/O intensive applications
Efficient file staging
The strategic roadmap for CE is as follows:
13
Strategic FocusAreas
1. Consistent environment
2. Performance evaluation
3. Portability and scalability
4. File management and I/O
5. Debugging6. FA-specifc
FY02 FY03 FY04 FY05 FY06
Functional Area: CE
CE009
CE010
CE012
CE010
CE009
CE-ENV
CE019
CE012
CE-ENV
CE002CE004
CE004 CE-PERF
CE-DTC
CE001 CE-PORT
CE002CE-RTI
CE-IOCE006
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Future areas of concentration for CE include:
CE-ENV: Consistent Environment: In order to be maximally productive, DoD users
need a consistent well-documented computational environment across the
MSRCs/ADCs/ DDCs. Although individual centers may have special requirements
due to specific architectures or application areas, the general computational
environment should be as consistent as possible. The computational environment
includes compilers, message passing libraries, numerical libraries, and debugging and
performance analysis tools, as well as data management and visualization tools. All
components need to be working properly in the MSRC/ADC/DDC batch queuing
environments and be adequately supported and documented. Cross-platform tools
should be made available wherever possible so that users do not need to learn a
different tool interface for each platform. The environment should be updated on a
regular basis to keep pace with changes in architectures and operating systems. New
and emerging CE and ET technologies should be evaluated for possible adoption.
CE-PERF: Performance Evaluation: Users need to be able to determine what
performance their applications are getting and whether or not and in what ways this
performance can be improved. Easy to use tools are needed to collect and analyze
performance data. Guidelines and tutorials on interpreting performance data are
needed, as are case studies of performance analysis of real DoD applications to serve
as models. Effective collaborative tools are needed to allow both synchronous and
asynchronous consulting between application developers and performance analysis
experts, including collaborative browsing and interpretation of performance data and
its relationship to application source code.
CE-PORT: Application Portability and Scalability: Users need to know about and be
able to use parallelization strategies and programming practices that result in
application programs that are portable across MSRC/ADC/DDC platforms. Tools are
needed that assist users in checking their programs for portability problems. Problems
with compilers and library implementations or with ambiguities in standards should
be reported to the relevant vendor and/or standards body and fixed. Applications need
to be able to scale to hundreds and even thousands of processors. Users need
assistance in designing and implementing algorithms and parallelization strategies
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that scale well. Analysis tools are needed that use scalable log file formats and
scalable performance analysis displays.
CE-IO: File Management and I/O: Users need efficient means of managing input and
output files and staging them where their application will run. Files may be need to be
stored for future use and may need to be shared with other users at the same or other
sites. Some I/O intensive applications are candidates for using asynchronous and/or
parallel I/O to improve application performance. Asynchronous I/O can keep data in
memory until it needs to be written out to disk. The use of MPI-2 I/O in MPI
applications simplifies I/O programming and produces a portable MPI application
while taking advantage of vendor optimized I/O.
CE-DTC: Desktop to Teraflop Computing: Many DoD users develop and test
applications in their desktop environments using tools such as MATLAB. As these
users scale up their applications, they begin to hit a performance wall with either
increasing runtimes or memory usage or both. Effective means of migrating portions
or all of their applications onto high-performance machines are needed, ideally while
maintaining as much of their familiar desktop environment as possible. Such
migration can take various forms — e.g., client-server metacomputing systems such
as NetSolve, or web portals that handle job submission. Commodity cluster
computing environments may offer the best price/performance ratio for some codes
and may serve as easier development environments from which migration to HPC
systems can occur.
CE-RTI: Real-time and Interactive Capabilities: MSRC/ADC/DDC resources have
for the most part been available for use in batch mode with only minimal support for
interactive use and no provisions for meeting real-time requirements. Interactive use
of HPC resources, combined with runtime control for purposes of debugging,
performance analysis, and data extraction and analysis, can greatly increase user
productivity by shortening the turnaround time for performing mission critical tasks.
Integration of real-time high performance embedded computing with data
manipulation performed by traditional HPC (as described in the SIP-HPdC FY03-06
project area) will place real-time requirements on MSRC/ADC/DDC resources.
Feasibility studies followed by prototype testbed implementations and finally by
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production HPC systems that support interactive and real-time requirements will help
meet these goals.
The CE UAP includes:
Robert Alter (ERDC MSRC, Computational Science and Engineering Group [CSE])
Joseph Baum (Science Applications International Corporation [SAIC], CFD and
CSM)
Michael Gourlay (Northwest Research Associates [NWRA], CFD)
Daniel Pressel (Army Research Laboratory [ARL] MSRC)
Fred Tracy (EQM)
Chris Yerkes (SPAWAR, SIP)
Alan Wallcraft (CWO)
Richard Walters (ERDC MSRC, SciVis)
Joseph Werne (CFD)
3.4 Signal Image Processing (SIP). The top priorities for SIP are:
Improving techniques for conditioning, transmission, storage, and processing of
sensed signals
Determining and refining methods that support the extraction of information from
sensed signals to support
The “Kill Chain”
Homeland Security
Information Superiority
SIP will concentrate on:
New algorithm designs for conditioning, processing and information
extraction that exploit both signal processing and phenomena
Incorporating life cycle software tools to manage exploration, design,
implementation, and deployment using a common framework
Improved processing speed in the design, simulation, verification and
implementation phases (including real-time requirements)
Improved data transmission and storage, because sensors produce
increasingly overwhelming amounts of data
Increased use of COTS tools
Training in new software tools and methodologies (Core)
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SIP project tasks for FY03 include:
SIP-03-001: High Productivity Computing for Signal and Image Processing (PI: Stan
Ahalt, The Ohio State University [OSU])
SIP-03-002: Signal Formation, Compression, Access, and Analysis (PI: John
Nehrbass, OSU)
The strategic roadmap for SIP is as follows:
FY04-07 project areas for SIP include:
SIP-ATR: SIP/HPC algorithms for ATR — A long-standing and essential task in
many tactical and strategic situations, including both battlefield and surveillance
missions, is detection (Is there something interesting there?), classification (Is it a
missile?) and recognition (Is it a SCUD missile?) of targets in signals from a variety
of sensors such as radar, sonar, IR, and hyperspectral data. To make Automatic
Target Recognition (ATR) a reality, the DoD must develop and test a range of new
and more powerful signal and image processing algorithms that can recognize targets
of interest in very low signal-to-noise ratio (SNR) signals. Further, in many cases, it
is vital to detect targets even when they are camouflaged or hidden (such as tanks
under trees). The development and deployment of more advanced ATR algorithms
will inevitably require the computational power and memory capacity of high
performance computers (HPC), and some of these algorithms will ultimately be
ported to embedded HPC for field application and real-time response. Further, these
algorithms must exploit sensor physics and incorporate adaptive signal processing
methods.17
Strategic FocusAreas
1. New algorithm design
2. Improved data transmission & storage
3. Improved processing throughput & latency
4. Incorporate life cycle software tools
5. Use of COTS
6. Rapid design/deployment
FY02 FY03 FY04 FY05 FY06 FY07
Functional Area: SIP
SIP003
SIP005
SIP-ATR
SIP006
SIP007
SIP017
SIP-HPdC (SIP03-001)
SIP-FCA (SIP03-002)
SIP003SIP005
SIP006
SIP007
SIP-ATR
SIP-ATR
SIP-HPdC (SIP03-001)
SIP-IS
SIP-IE
SIP-IS
SIP-IS
SIP-FCA (SIP03-002)
SIP-FCA (SIP03-002)
SIP-IE
SIP-IE
SIP-FCA (SIP03-002)
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SIP-IE: Information Exploitation — One of the most pressing needs in the SIP
community is addressing the challenge of exploiting all the information that is present
in the myriad of signals harvested from deployed DoD sensors. These signal sources
include data such as acoustic, synthetic aperture radar (SAR), hyperspectral, and
visual imagery collected by the DoD. Extracting and transforming the information
that is extant in these rich data sources is essential if the collected data are to be
exploited by our soldiers, officers, security personnel, and senior civilian decision
makers. Applications to be addressed include long- and short-range surveillance,
individual identification, biometrics, voice modification, and sensor webs. These
applications will require that we develop efficient new techniques in distributed
computing, data mining and understanding, cognitive processing, and embedded
computing.
SIP-FCA: Signal and Image data formation, compression, and access — A common
set of fundamental processing steps constitutes the foundation of virtually every SIP
application. Data are 1) collected and formatted for use, 2) compressed for efficient
and/or robust handling, and then 3) organized for access further downstream in the
processing chain. Recent developments in each of these foundational processing steps
offer the DoD an opportunity to reap significant advantages in applications such as
3D SAR, collection and annotation of video surveillance and Unmanned Air Vehicle
(UAV) ATR data, and general sensor-fusion tasks.
SIP-HPdC: High Productivity Computing — The warfighter’s need to confirm the
identity of any target before attack often requires real-time matching to occur on
onboard computer architectures which are often space, power, and cycle-limited.
However, the new generation of petabyte sized databases — which are required for
identification in many complex search spaces — are more efficiently created via
traditional HPC. This “gap” in the two required processing architectures necessitates
innovations in structuring, accessing, and processing data, and the software that is
used in these applications. Fortunately, recent advances in software techniques (XML
and object-oriented and graphical languages) hold promise for 1) optimized
architecture-specific code, 2) maximum code reuse, and 3) efficient incorporation of
technology advancements. Further, life-cycle software has the potential to greatly
increase productivity, shorten development time, and reduce overall costs. Advancing
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these goals through development of, for example, parallel MATLAB and Simulink
tools while adapting technologies for reuse (Vector/Signal/Image Processing Library
— VSIPL) offer immediate gains for the DoD. Integrated with these tools, Java and
Java Server Pages (JSP) can be employed to portably manipulate data sets across
departments, agencies, and centers. Finally, portable graphical programming
languages, such as the Visual Toolkit (VTK), can be used to provide custom displays
of filtered and compressed information to high-resolution 3D stereographic devices,
PC terminals, secure web ports, or PDAs located on the battlefield.
SIP-IS: Infrastructure Software for SIP — An emerging trend in the SIP community
is the appearance of middleware and middleware standards. High performance
computing (HPC) and High Performance Embedded Computing (HPEC) DoD
applications will significantly benefit from highly efficient and portable
computational middleware for signal and image processing. Open middleware
standards such as VSIPL, CORBA and SOAP, as well as the emergence of powerful
COTS hardware, offer a unique opportunity for the rapid development of easily
maintained HPEC codes that combine portability and flexibility across a number of
applications. Thus the timely transfer of these technologies to the DoD community is
a critical task, and one that is in its infancy. This middleware infrastructure will
support the rapid development and deployment of portable, efficient SIP-critical
applications of immediate benefit to the warfighter.
The SIP UAP includes:
Andy Sullivan (ARL/Adelphi, Govt CTA Lead)
Keith Bromley (SPAWAR)
Rich Linderman (Rome)
Mike Bryant (Wright-Patterson Air Force Base [WPAFB])
Gary Stolovy (ARL/Adelphi)
3.5 Integrated Modeling and Testing (IMT). The top priorities for IMT are:
Application of HPC software tools and techniques with live tests and hardware-
in-the-loop simulations for test and evaluation (T&E)
Tools for collecting, organizing, and combining diverse information sets to
optimally guide T&E decision making
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Collaboration with CTAs to provide needed discipline-specific expertise to the
T&E community
IMT will concentrate on:
High-fidelity component and process models
Real-time model execution
Integration of information from disparate sources
Test data repositories
Optimal Test Strategy Planning
Building IMT Communities of practice
Training in new software tools and methodologies (Core)
The IMT FY03 project tasks are:
IMT-03-001: Data Repository Infrastructure Evaluation (PI: Tilt Thompkins,
National Center for Supercomputing Applications [NCSA]/University of Illinois
Urbana-Champaign [UIUC])
IMT-03-002: Real-Time Interoperability Protocol Study (PI: Tilt Thompkins, NCSA/
UIUC)
The strategic roadmap for IMT is as follows:
20
Strategic FocusAreas
1. High-fidelity component and process models
2. Real-time model execution
3. Integrating information from disparate sources
3. Test data repositories
4. Optimal Test Strategy Planning
5. Building IMT Communities of practice
FY02 FY03 FY04 FY05 FY06
Functional Area: IMT
IMT002
IMT-IST
IMT-RTVE
IMT-CBTPE
IMT002
IMT-TDMRF
IMT-MBTV
IMT006
IMT-MBTV
IMT-TDMRF
IMT-TDMRF
IMT-RTVE
IMT-CBTPE
IMT-CBTPE
IMT-CBTPE
IMT-CBTPE
IMT-TDMRFIMT001
IMT002
IMT001
FMS001
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Future areas of concentration for IMT include:
IMT — RTVE: Real-Time Virtual ExperimentationDeveloping and integrating high-
performance computing techniques and software tools with live tests and hardware-
in-the-loop simulations for test and evaluation of DoD weapons, components, and
subsystems. Achieving high-fidelity representations in virtual and virtual-real
environments is a key to achieving faster, more cost-effect development and
acquisition and will require DoD to develop variable fidelity sensor/scene/target
models, component models, and unique test configurations and facilities. These
requirements will drive the needs for linking and integrate disparate models and
simulations, embedded system-HPC interfaces, and real-time scene rendering.
IMT — MBTV: Model-Based Test Validation: Using verified models to monitor the
performance of new concepts under test by comparing predicted trends of key
parameters with test data. Variances are used to interrupt testing for safety of the test
article and/or facility and to maintain integrity of the test data. Models can be used for
diagnostic analyses to determine anomalies in either the article or instrumentation that
can produce the undesirable variance. Reaching these capabilities will require
development of high capacity processing and data network resources, high-fidelity
component models that can be executed in real-time, and reliable model-data
comparison tools.
IMT — TDMRF: Test Data Management, Retrieval, and Fusion: Providing uniform
integrated access, visualization, and fusion of diverse test and evaluation data from
multiple sources, (computational models, ground tests, and flight tests), to T&E
communities. To provide these capabilities DoD must develop techniques for
automated data archiving, retrieval, and long-term storage; complex data query
processing; links to performance data, documents, system specifications, and test
incident reports; and seamless availability to developers, testers and evaluators.
Achieving these goals will require advanced approaches in networking technologies,
storage area networks, meta-data management and indexing, and distributed data
mining.
IMT — IST: Interoperability and System of Systems Testing: System of Systems
operation is becoming increasingly important as DoD strives to gain revolutionary
new operational capabilities with components (sensors, platforms, weapons) of
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maturing development potential. To support the development of SoS capabilities the
T&E community must quickly and cost-effectively enable Interoperability among test
ranges, facilities, and simulations; develop tools for verification and validation of
Interoperability; and provide simulation support for distributed real, virtual, and
constitutive simulations around ranges and across geographic areas. Key to providing
these capabilities will be advances in high-speed mobile and fixed networks, and
Interoperability at the M&S level (e.g., HLA).
IMT — CBTPE: Computational-Based Test Planning and Execution: Using verified
model and simulation to: separate critical from non-critical conditions, select
configurations and parameters for test, support a logical buildup approach for
choosing ground or flight-test conditions, and support optimally modifying test plans
as test results accumulate. Achieving these capabilities will require DoD to develop
tools to: define and validate decision metrics; rigorously define the logical and causal
structure of weapon systems and test requirements; and integrate information
resources from theoretical models, simulation results, test experience, and on-going
test results. Providing the computational capacity to satisfactorily define distributions
of model performance and retrieve test experience will severely stress HPC resources.
The IMT UAP includes:
Jere Matty (Arnold Engineering Development Center [AEDC], Govt CTA Lead)
Jeff Highland (ARL)
Guy Williams (Range Commanders Council Modeling and Simulation Sub-Group
[Tri-Service])
Reid Johnson (Range Commanders Council Data and Computer Architecture Sub-
Group [Tri-Service])
3.6 Forces Modeling and Simulation (FMS). The top priorities for FMS are:
To leverage the experience and techniques developed by the HPC community to
improve FMS support to the operational warfighter
Conduct militarily relevant research and transition the technologies to operational
programs
FMS will concentrate on:
Addressing critical user needs
Portability, scalability, responsiveness
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Strong operational user focus and involvement
Demonstration based results
Cross-functional area projects.
The FMS FY03 project tasks are:
FMS-03-001: Live / Model Data Reduction As A Means Of Populating Constructive
Simulation Datasets (PI: David R. Pratt, SAIC)
FMS-03-002: Joint Warfare System (JWARS) Performance (PI: Ron Painter, CACI)
FMS-03-005: An Analysis Of The Use Of Agent-Based Simulations And Their
Application To Scalable Systems (PI: David R. Pratt, SAIC)
The strategic roadmap for FMS is as follows:
FY04-07 areas of concentration for FMS include:
FMS-UO: User Outreach — FMS is a non-traditional HPC area. For this reason, a
concerted effort needs to be made to reach out to the FMS community to “create the
market” for HPC services and resources and to assist in the transformation of the
community's perceptions.
FMS-TT: Technology Transfer — The HPC community has developed a large
number of algorithms and lessons learned concerning the optimization of parallel
codes. This project area has been set up to aid the transition of experience in the HPC
community to the FMS community via pilot projects that demonstrate the proof of
principle and applicability of the technology.
23
Strategic FocusAreas
1. User Outreach
2. Technology Transfer
3. Technology Exploration
4. Portability
5. Scalability
6. Rapid response / deployment
FY03 FY04 FY05 FY06 FY07
FMS-TE
Functional Area: FMS
FMS Onsite
FMS-UO
FMS-TT
FMS-P
FMS-S
FMS Onsite
FMS-RRD
FMS Onsite
FMS-UO
FMS-TT
FMS-P
FMS-S
FMS Onsite
FMS-RRD
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FMS-TE: Technology Exploration — Investigates use of new / novel technologies to
the FMS domain. This effort will be discontinued in favor of more focused
technology area exploration.
FMS-P: Portability — Due to the operational nature of the FMS community, codes
will need to run on commodity deployable hardware in addition to the HPC resources.
This functional area looks into techniques and the application of tools to make such
configuration as seamless and automated as possible.
FMS-S: Scalability — In conjunction with portability, the scalability of codes is a
major concern. The number of entities that can be simulated while maintaining a
fixed time ratio notionally defines scalability. As the systems scale up (or don’t in
many cases) the bottlenecks in the code are exposed. The purpose of this thrust to
leverage the lessons learned with HPC codes to aid in improvements in reducing or
eliminating such bottlenecks.
FMS-RRD: Rapid Response / Deployment — The Air Force’s AETF and Army’s
FCS programs are prime examples of the shift of emphasis from the cold war force
structure to more responsive and “lighter” forces. As a key component of the training
and planning cycle, FMS needs to become more responsive and able to deploy
quickly. In this thrust we examine the ability of leveraging the horsepower of the
HPC resources to provide a rapid “first cut” capability that can later be refined by the
user to suit the operational commitment.
The FMS UAP includes:
Larry Peterson (SPAWAR-Systems Center, Govt CTA Lead)
Steve Gordon (Air Force Agency for Modeling and Simulation [AFAMS])
Mike Macedonia (U.S. Army Simulation, Training, and Instrumentation Command
[STRICOM])
Dave Hoffman (U.S. Army Training and Doctrine Command [TRADOC] Analysis
Center [TRAC]-White Sands Missile Range [WSMR])
Niki Deliman (ERDC / TRAC-Monterey [MTRY])
FMS is in the process of re-examining the membership of the UAP based on the responsiveness
and input from the current members.
3.7 Enabling Technologies (ET). The top priorities for ET are:
Visual Data Mining Research and Applications
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Development of CTA-specific Visualization Systems
Development of CTA-specific Problem Solving Environments
Automation of Mesh Generation Tools
ET will concentrate on:
Visualization systems that exploit heterogeneous distributed computational resources
and can ingest enormous (10TB) datasets
One or two problem solving environments
Automation in geometry processing for mesh generation
Training in visualization, mesh generation, and data mining tools
The ET FY03 project tasks are:
ET-03-001: EnVis and EnVisU – Distributed High Performance Batchmode
Visualization (PI: Robert Moorhead, Mississippi State University [MSU])
ET-03-002: GGTK (Geometry-Grid Tool Kit) (PI: Bharat Soni, University of
Alabama-Birmingham [UAB])
ET-03-008: Development of an Integrated Simulation Environment (PI: Ralph Noack,
MSU)
ET-03-011: Building Interoperable Portals with Web Services (PI: Mary Thomas,
Texas Advanced Computing Center [TACC], UT-Austin)
The strategic roadmap for ET is as follows:
FY04-07 areas of concentration for ET include:
ET-DV: Distributed Visualization — Once a solution is computed to a CTA problem,
the data is usually remote from those that need to see and analyze the results. To 25
Strategic FocusAreas
1. Distributed Vis
2. Large Scale Vis
3. Visual Data Mining
4. Problem Solving Environments
5. Grid Generation
FY03 FY04 FY05 FY06 FY07
Functional Area: ET
ET001
ET011
ET001
ET008
ET002
ET-DV
ET-LSV
ET-FV
ET-DM
ET-PSE
ET-GG
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effectively analyze data, the computational task is often divided into parts so that one
part is carried out at the remote MSRC/ADC/DDC, and the other done on resources
local to the analyst. For example, feature detection and extraction is often best done in
the MSRC/ADC/DDC, while actually mapping to 2D/3D graphical primitives is often
best done on the user's local workstation. The issues in solving this problem start with
balancing the computation demands tempered by the communication bandwidth. The
issues then become where is it best to do what computation, where to put the long-
haul transmission in the visualization pipeline that ingests 4D data and outputs
imagery (after reading the data, after every time step, after constructing 3D graphical
objects, after projecting to 2D graphical objects, after rendering to images, etc.), how
much speed to give up to provide more flexibility to the analyst, etc. Performance is
probably a more critical issue than portability in the end, but due to the continuously
changing collection of resources, portability is probably a significant issue initially.
(Generally resources at MSRCs/ADCs/DDCs are known, but resources at user’s
desktop are not.) Projects that address ingesting, coding, transferring, decoding, and
visualizing enormous (10TB) raw datasets need to be undertaken. Existing
frameworks (e.g., vtk etc.) should be leveraged where possible. Security issues
(Kerberos) must be addressed.
ET-LSV: Large-scale Visualization — Although visualization of high-order entities,
like features and objects, is the ultimate goal, visualization of raw data is often first
required. Analysts are legitimately skeptical of too much automation too soon. To
provide analysts with a sufficient comfort level, they often need to be able to browse
and explore large datasets. They need to be able to do data mining and knowledge
discovery in a labor-intensive way before trusting an automated tool, if for no other
reason than to generate some test cases. ET-LSV is not necessarily interactive
visualization and in fact often is batch-mode visualization. These projects should
produce algorithms, tools, and knowledge bases that allow rapid efficient deployment
of analysis systems. Issues that need to be addressed under ET-LSV to improve the
working environments for DoD users include application-specific
coding/compression schemes that compress the data more or run faster, automated
sizing metrics (to help determine appropriate chunking of data), and visualization
algorithms and user interfaces that help an analyst to better explore and understand
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massive datasets. User interfaces is an often-neglected area in CTA programs that
could benefit from some of the research done by cognitive scientists and human-
computer interface specialists. User interfaces include issues like how to best
organize data accesses and computations, as well as contextual display issues like text
annotation, time line indicators, and latitude/longitude lines.
ET-FV: Feature-based Visualization — Ultimately it is the features, not the raw data
that the analyst seeks. Where are the (shock, strong, peak) waves, how strong are
they, where are the eddies, how big, how strong, how fast, where is the information
content, where is the target, where are the hot spots, where are the narrow junctions,
etc. Much research has been done on feature detection, feature extraction, and feature
classification. This work needs to be captured in a body of knowledge or library so
that it is useful across CTAs. This will require multidisciplinary projects involving
personnel knowledgeable in the various CTAs. The issues to be addressed in this area
are how to best visualize those features. Developing these visualization methods will
require multidisciplinary projects involving personnel knowledgeable in the various
CTAs and in ET technology. Projects addressing this area that produce software
modules within a standard framework like vtk etc. would be highly desirable.
Exploitation of scripting languages, e.g., tcl/tk, Python, Perl, etc. would help
portability of developed tools.
ET-DM: Data Mining — ET-FV and ET-DM are highly supportive of each other, but
have distinct goals. ET-DM projects will focus on the process of data mining and the
computational techniques and methods for the extraction of useful information from
data. To improve working environments for DoD users in this area, more data mining
techniques need to be developed and the existing techniques need to be tested on
more datasets. Different DM techniques (clustering, trees, neural networks, etc.) work
better on different data sets. A better body of knowledge needs to be developed in
when and how to apply each technique and libraries of techniques need to be
developed. To maximize return on investment, it would be reasonable for some ET-
DM projects to be done in collaboration with some SIP-IE projects, especially those
based on image analysis. To be able to mine data, some idea of what is being sought
is useful. A greater body of knowledge as to what needs to be mined and/or what
knowledge needs to be discovered would be useful. To improve the working
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environments for DoD users, projects in this area need to involve a domain expert,
not just a mining expert. This area is viewed as a high-risk area, as many projects
have promised much and delivered little.
ET-PSE: Problem Solving Environments — Initial projects in this area should
develop PSEs for some of the most heavily used codes at the MSRCs/ADCs/DDCs.
In particular initial development should be on code-specific portals instead of more
abstract PSEs. Once several application code specific PSEs have been developed (2-3
years), then significant infrastructure development should accelerate, probably as the
computational grid infrastructure becomes available to the DoD user. The technology
underpinnings of portal-based PSEs continue to rapidly evolve. However, in
anticipation of the need to exploit the computational grid infrastructure, DoD
involvement in the Global Grid Forum would be appropriate. Involvement in this
body would ensure the DoD will remain in contact with the larger computing portals
and grids communities and will be able to influence the standards and activities of
this group. Projects in this subarea could be viewed as developing/tracking enabling
technology for enabling technology!
ET-GG: Grid Generation — An important element, and current user need, is the
accurate and rapid processing of geometric models being designed and analyzed. Grid
(or mesh) generation (GG) technology bridges the gap between digital geometry
models and computational simulations for engineering analyses. Current GG
techniques are being developed for incorporation in large production, or commercial,
software systems. Such an approach limits the use of emerging algorithms from
outside developers. The work in GG needs to focus on the use of components and
standard interfaces to be used among larger software systems. The underlying
geometry is moving from CAD/CAM based to solid models. Adaptive and moving
meshes need to be developed, with the goal being dynamic meshes. The mesh
technology needs to support multiple disciplines (multi-disciplinary optimization).
The underlying coding needs to move to object-oriented technology. The modules or
components need to be thread-safe and operate in parallel and distributed computing
environments. The creation of meshes needs to become more automatic and exploit
some intelligence. In particular,
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Dynamic solution-adaptive unstructured mesh capability for viscous dominated
flows
Temporally/spatially deforming geometry/ mesh capability for multidisciplinary
analysis
Parametric, automatic, and intelligent complex structured, unstructured, and
hybrid mesh generation for multidisciplinary applications
Parallel unstructured/generalized mesh generation with dynamic load balancing
Conservative interpolation techniques for multidisciplinary interactions
Robust mesh generation methods for multidisciplinary applications, including
geo-spatial processes which may not include man-made models
The ET UAP includes:
Alan Walcraft (NRL/SSC)
John E. West (ERDC MSRC)
Jerry Clarke (ARL MSRC)
Frank Witzeman (AFRL)
Dan Kedziorek (Army Tank Command [TACOM])
Aram Kevorkian (SPAWAR Systems Center San Diego [SSCSD])
Pete Gruzinskas (NAVO MSRC)
3.8 Computational Fluid Dynamics (CFD). The top priorities for CFD are:
Improve accuracy, robustness, confidence, throughput, and cost of performing
complex CFD simulations associated with DoD missions
Enhance validation and verification of CFD tools to reduce cycle time and improve
design performance
In Year Two, CFD will concentrate on:
Continuous capture and transition of best practices via training, software, hardware
and process improvements (Core)
Collaborate with MSRC/ADC/DDC users, CHSSI developers, Challenge Project
executors and national CFD community (Core)
Development/enhancement of tools and technology to address parametric geometry
preparation, dynamic, adaptive and parallel mesh generation, and automated feature
detection with improved data standards, interoperability and Problem Solving
Environments
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Methods for multi-physics coupling and highly complex physics
Algorithms for simulation of time varying geometries
The CFD FY03 project tasks are:
CFD-03-001: Validation of Hybrid RANS/LES Turbulence Models for Unsteady
Flows (PI: Robert Nichols, MSU)
CFD-03-002: 6DOF Library and Standard Interface (PI: Nathan Prewitt, MSU)
The strategic roadmap for CFD is as follows:
FY04-07 areas of concentration for CFD include:
Multi-Physics Analysis Tool Kit (FAs impacted: CFD, CSM, CWO, CEA) — ET
GGTK: Geometry-Grid Tool Kit (FAs impacted: ET, CFD, CSM, CWO, CEA, EQM,
CCM) Enhancements and Mesh adaptation — ET
V&V Standards and Methodologies — CFD
Highly Complex Turbulent and Reacting Flow Techniques — CFD
Integrated Simulation Environment — ET
Simulation Based Acquisition and Design — CFD
The CFD UAP includes:
Robert Meakin (Army, Govt CTA Lead)
Frank Witzeman (AFRL/VAAC [AFRL CFD Research Branch])
Tim Madden (AFRL/DEC [AFRL/Kirtland Directed Energy Center])
Greg Power (AEDC)
Charlie Berger (ERDC)
William Sandberg (NRL)30
Strategic FocusAreas
1. Core Activities
2. Time Varying Geometries & Multi-Physics
3. Knowledge Centers
4. WEB-Based Training, Technology Tools & PSEs
5. Verification & Validation
6. Solution Adaptive Meshing
FY02 FY03 FY04 FY05 FY06
Functional Area: CFD
Overset Technology Center
Mesh Redistribution & Refinement
Training & Workshops
Technology Transfer & Outreach
CFD Core
V&V Strategies & Standards
6 DoF Library
CFD Learning Tool & WEB-based Courses
Simulation Based Acquisition & Design Methods
Integrated Simulation Environment
Automated Feature Detection & Sensors
GGTK : Geometry-Grid Tool Kit
Collaboration & Partnerships: Challenge & CHSSI
Generalized/Unstructured Technology Center
CFD003
ET022
CFD Core Multi-Physics Coupling
Complex Physics: LES, Chemistry, Multi-phase,…
CFD002
ET008
ET019 ET002
CFD001
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Susan Polsky (Naval Air Warfare Center [NAVAIR])
Jubraj Sahu (ARL)
3.9 Computational Structural Mechanics (CSM). The top priorities for CSM are:
Increase reliability and efficiency of CSM simulations by incorporating improved
technologies into legacy codes
Extract useful information from those simulations
In Year Two, CSM will concentrate on:
Development of technologies for level-2 code coupling for multi-physics applications
Improved parallel partitioning strategies for CSM applications
Development of formalism and algorithms to enhance verification and validation of
computer simulations
Development of enhanced algorithms and codes for parallel adaptive mesh
refinements and error control
New high-fidelity algorithms
Implementation of damage and failure models for multi-component and non-isotropic
materials
Improvements in contact-impact algorithms for highly dynamic environments
Improved mesh generation strategies for CSM applications
The CSM FY03 project tasks are:
CSM-03-001: Code Coupling Technologies for Multi-Physics Applications (PI:
Graham F. Carey, TICAM, UT-Austin)
CSM-03-003: New tools for Verification of Computational Models for DoD CSM
Applications (PI: J. Tinsley Oden, TICAM, UT-Austin)
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The strategic roadmap for CSM is as follows:
FY04-07 areas of concentration for CSM include:
CSM-CC: Code Coupling Technologies for Multi-Physics Applications — Over the
last two decades, significant investments have been made in developing effective
simulation codes for important DoD applications. The majority of these codes have
been application-specific, focusing on simulations of particular physical phenomena
of interest. In a growing list of critical applications, there is a need for modeling
multiple types of physical events. A suite of algorithms and codes needs to be
developed that will permit code coupling in a parallel computing environment for two
representative CSM simulation tools. Initial work will focus on coupling CTH with
DYNA. These simulators should allow the modeling of events such as the evolution
of dynamic pressures and blast loads impinging on a deformable structure undergoing
very large deformations. Mesh interfacing, mesh and time scaling, projection methods
to map results obtained in one model on data files of another, load-balancing, and
other issues will be investigated. Special algorithms and solvers that may provide
better management of multiphysics and multiscale effects than direct use of solvers
currently existing in the particular codes will be identified. General principles for
code coupling will also be established.
CSM-PGM: Parallel Grid Partitioning and Management — A central problem to
parallel CSM applications and to many other DoD large scale applications areas is
partitioning of an initial mesh across processors and dynamic load balancing of the
partition as the solution and mesh evolve. This problem is particularly important 32
1. Code Coupling for Multi-Physics1,2
2. Parallel Grid Management3
3. New Tools for Model Verification1,2
4. Adaptive Mesh Technology3
5. High-Fidelity Algorithms3
6. Damage models for Composites2
7. Contact-Impact Modeling3
8. Grid Generation3
FY03 FY04 FY05 FY06
Functional Area: CSM
CSM001/FY03
CSM004/FY03
CSM003/FY03
CSM005/FY03
CSM-PGM
CSM-CC
CSM002/FY03
CSM-HFMP
CSM-AMR
CSM-VVT
CSM-DCI
CSM006/FY03 CSM-IDM
CSM007/FY03
CSM-GGCSM008/FY03
1=funded for FY032=proposal solicited for FY033=white paper solicited for FY03
TrackingNumber
Strategic FocusArea
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when re-meshing and adaptive mesh refinement (AMR) are involved. Our proposed
work will address some of the underlying issues related to partitioning for
computation and communication load balancing. In particular, we will develop, test
and deploy new metrics for balancing the partition. We will extend the algorithms in
existing partitioning software and use them to carry out tests of the metrics for
unstructured meshes and dynamic AMR meshes. These ideas will also be
demonstrated and performance studies made for representative DoD CSM test cases
and for meshes arising from other applications such as CFD and CEN.
CSM-VVT: New Tools for Verification of Computational Models for DoD CSM
Applications — The reliability of computer simulations in nonlinear solid mechanics
(indeed, in computational science in general) depends upon how accurately the model
used to depict the physical events of interest has been solved. In modern literature,
this subject is referred to as model verification; the discipline is concerned with the
question: has the model used as a basis for the computation been solved correctly?
The solution is thus to determine reliable, computable error bounds on arbitrary
physical variables, to determine estimates of local approximation error, and, if
needed, to derive and implement corresponding adaptive strategies to reduce or
otherwise control the error. One approach that has proved to be effective that was
developed by the proposers is the so-called GOALS method (Goal Oriented Adaptive
Local Solver) in which special influence functions are computed which can be shown
to characterize errors in local quantities such as pointwise stress, displacement,
average stress, pressures, pointwise temperatures, etc. The objective of the proposed
effort is to extend these ideas to general nonlinear problems in CSM of interest to
DoD users of CSM codes so as to provide them with a useful set of tools for model
verification.
CSM-AMR: Adaptive Mesh Technology for Impact and Penetration Analysis —
Realistic and accurate simulation of events involving impact and penetration is
critical to a wide rage of DoD applications. Adaptive mesh technology provides a
means for control and reduction of numerical error; as such, it is an important method
for implementation into this class of simulation tools, including Eulerian, Lagrangian
and arbitrary Eulerian-Lagrangian (ALE) impact codes. Example application codes in
this area include CTH, DYNA, PRONTO, EPIC, ALE3D and ALEGRA. Successful
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use of adaptive mesh technology requires the development of estimators for
numerical error that are reliable and computationally efficient, as well as adaptive
strategies that are flexible and can easily be integrated into existing legacy codes.
This project deals with the development, implementation, and testing of sophisticated
error estimates for CSM applications and the parallel adaptive strategies for their
implementation in adaptive meshing.
CSM-HFMP: High Fidelity Algorithms for Coupled Multi-Physics CSM
Applications — In simulations of convection, reaction, and diffusion in multi-physics
CSM applications, a multitude of numerical problems are encountered when
conventional solvers are used. Among these are: non-conservative local
approximations, which result in pollution of the solution accuracy in cases in which
coefficients in one physics model depend upon numerical solutions of another model,
low accuracy, non-physical dissipations, poor scalability, and data structures too
inflexible to readily admit adaptive meshing. The goal of this project is to develop,
analyze, and implement algorithms that are high-order accurate, element-wise
conservative, readily parallelizable, allow easy coupling of multi-physics, and are
built on simple data structures and to demonstrate their effectiveness on significant
CSM applications.
CSM-IDM: Impact Damage Models in Composite Structures — The need to improve
the mobility and survivability of vehicles and structures of interest to the DoD has led
to an expansive use of composite materials in many applications, including aircraft
components, ship and submarine hulls, and land vehicles such as tanks and personnel
carriers. The response of these materials to loads that are highly evolving and large in
magnitude is still an area of intense research, particularly in the area of modeling
damage and failure of these materials. To date, many state-of-the-art simulation tools
for transient structural dynamics use damage and failure descriptions for composites
that are decades old and highly heuristic in nature (for example, the Tsai-Hill model
for failure). These models do not capture the basic phenomenology of the failure
process in composite structures, such as fiber cracking and splintering, matrix void
growth and coalescence, and delamination. As a result, simulations performed using
these models are not considered to be very reliable in the DoD research community.
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CSM-DCI: Advances in Methodologies for Treatment of Dynamic Contact-Impact —
Accurate and efficient modeling of contact-impact conditions is crucial to many
applications of interest to the DoD, including fluid/structure and blast/structure
interaction, damage to vehicles and structures, impact and penetration of armor, and
hydrodynamic ram. While there have been notable advances made in the last five
years in search and return algorithms, automatic contact, and parallel implementation,
to a large extent the physics and algorithms responsible for contact enforcement have
remained unchanged; there have been very few advances in this area. In Eulerian
CSM, for example, contact-impact enforcement is still achieved using an ad-hoc
combination of mixed-cell thermodynamic and constitutive model algorithms, which
may have little or nothing to do with the physics of contacting bodies.
CSM-GG: Resolving Mesh Generation Bottlenecks and Issues — Mesh generation
remains a major obstacle to DoD simulations. This proposed effort is directed
towards resolving some of the key problems and thereby materially improving the
DoD capability. Despite significant progress in this area, the continuing increase in
geometrical complexity, the need for more accurate modeling of DoD problems and
systems with many multimaterial components of different shape and size, and the
need to carry meshing into the parallel arena limit and frustrate the DoD user. It is
currently the case that meshing a complex weapons problem or similar DoD
application is not fully automated. It frequently takes several person-months to
construct a mesh. Often the subsequent analysis step is a matter of a few days of
computing, at which time the mesh has to be assessed and modified. A secondary
issue is the quality of the meshes that are generated in this process. In CSM,
hexahedral 3D elements are the proven technology, but completing a mesh with these
elements is problematic: the mesh may have “voids” that the generator cannot close,
and the cells may be ill-shaped to the point that the reliability of the simulation is
compromised. In Lagrangian CSM calculations, as the mesh deforms, the elements
become ill-shaped, necessitating local re-meshings. These are the key issues that we
will address. They are targeted to complement the major mesh generation work
ongoing at the DoD and DOE labs and at other universities.
The CSM UAP includes:
Photios Papados (ARL)
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James Baylot (ERDC)
Alexandra Landsberg (Naval Surface Warfare Center [NSWC])
Anthony Palagatto (Air Force Institute of Technology [AFIT])
Stephen Schraml (ARL)
Mike Giltrud (Defense Threat Reduction Agency [DTRA], Govt CTA lead)
3.10 On-Line Knowledge Center (OKC). The top functionalities need in the OKC for DoD
users are:
Provide a unified way to store and access knowledge for PET and DoD HPCMP users
Administrative and Research Portal for training (registration, assessment and
curricula material), publications, announcements, CTA specific information, HPCC
resources, PET Projects including informational material and rich suite of user
generated input
The critical features of the OKC are:
Allow distributed knowledge update with efficient centralized approval
Provide robust security mechanisms and high-performance servers
Allow common look and feel with component model for all material
Information stored persistently in Oracle databases
Synergy with Grid Forum, HPCMO, community and commercial activities
Support e-mail or form (wizard)-based input and dynamic XML specified schema for
all data and knowledge
Support multi-media, HTML, XML and CGI/Web service based data
The chart below describes OKC efforts by Component. The intent is for there to be a separate
portal for each of the four Components that addresses the FAs managed by that Component. That
portal could reside on the web space at the center, or it could all be centralized at ERDC. Each
FAPOC or a designated set of on-site personnel will maintain the information content for the
respective FAs. HPCMO will supply information on general outreach and the PET program. The
operation of the full OKC will be accomplished by ERDC and by the MOS technologists
resident there, assisted by technologists at the other three Component MSRCs. Technology
development will be accomplished by and at Indiana University. Advice and consent from the
PET management teams (both Government and contractor) and any outside advisory groups will
also be considered.
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There were no OKC project tasks in FY03.
The strategic roadmap for OKC is as follows:
FY04-07 areas of concentration for OKC include:
OKC-Tech: Ongoing deployment of key OKC Technologies:
We expect all of these to be extensions and customizations of technology
developed and supported for large-scale applications outside PET
Current OKC built on Apache Jakarta technology linked to commercial database
and message service systems
Core technology including security and performance
Component-based Distributed Authoring and Update
37
The OKC Component Efforts
TechnologyIU
OperationsERDC
FA@Comp3 FA@
Comp 1
FA@Comp
2FA@Comp 4
CFDCSMOKCEOTC------EQMCWOCE
FMS/C4IIMTSIPET------CCMCEACENCDLT
AdvisoryCommittee
HPCMP/PETManagement
1. Technologies
2. Update Content
3. CTA Specific OKC
4. Other OKC Applications
5. Integration with Computational Science Portals
6. Data-mining and Semantic Web like capability for a “brilliant” OKC
7. Outreach
FY02 FY03 FY04 FY05 FY06
Functional Area: OKC
OKC001
OKC002
OKC002
OKC001
OKC001
OKC002
OKC-Add Edit Pages
OKC-Tech EnhancementOKC- Initial Tech
OKC-Tech EnhancementOKC- Initial Tech
OKC-initially for CE and TrainingOKC for CTA
OKC-initially for CE and TrainingOKC for CTA
OKC -DSL
OKC-Outreach
OKC-SW
OKC- CompOKC- Comp
Activity Areas
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Content Management with rich domain specific standards such as IMS/ADL for
training
Workflow for OKC knowledge updates including reporting and approval
Multi-media support
Search of structured (XML) and unstructured data
Support for Web Service and older (CGI, Servlet) dynamic resources
OKC-Pages: Ongoing update of site content
OKC-FA: Customization of FA Specific Knowledge Centers (e.g. support RIB, ADL
Training and each CTA …)
OKC-DSL: Support of and identification of other applications of the OKC approach
such as online scientific libraries
OKC-Comp: Integration with PET computational portals and scientific data
repositories
OKC-SW: “The Semantic Web for OKC” or support of data-mining, Intelligent
Agents, and “digital brilliance” from enhanced meta-data
OKC-Outreach: Training on use of OKC and Requirement gathering
The OKC UAP includes:
Formal Advisory Panel:
Bob Athow as Government PET lead for ERDC Component
The CPOC and 1 PET Technologist for each component (8 members total)
Representatives of CDLT and EOTC
Other representatives to be added (HPCMO, DCs …)
Current Advice Structure
Close working relation with ERDC
Iterating prototypes with FAPOCs and PET technologists
3.11 Education, Outreach and Training Coordination (EOTC). The top priorities for EOTC
are to:
Provide training across DoD in PET areas, when and where needed
Impact the future researchers in DoD through educational partnerships
Integrate participants from MSIs into mainstream research
In Year Two, EOTC will concentrate on:
Streamlining training coordination through OKC
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Setting up persistent analysis of user needs through Requirements Survey results,
conference BOFs, user meetings, and special activities
Increasing graduate level student PET participation
Implementing an effective and streamlined Summer Intern Program
Implementing a Visiting Faculty Program for MSIs
Laying the foundation where necessary for full MSI participation in PET
Encouraging MSI partnerships with DoD users and other academic partners
Gaining visibility at the K-12 level
The strategic roadmap for EOTC is as follows:
The EOTC UAP includes:
Margo Frommeyer, NRL/Stennis
Jeanie Osburn, NRL/DC
Matt Grismer, AFRL/WPAFB
Laura Bobo, AEDC
Dean Hampton, ERDC
3.12 Multidisciplinary and Cross-Component Roadmaps. MOS believes there are several
key elements in developing plans for multidisciplinary activities. First, the members of the
academic teams need to consider the Common Software Support Initiative (CHSSI) portfolios,
which are the HPCMP multidisciplinary software projects. There are eight such portfolios. They
are listed here along with a preliminary set of possible cross-FA relationships:
Hyperspectral Image Exploitation (HIE) — SIP, ET, FMS, IMT
Electronic Battlefield Environment (EBE) — CEA, SIP, FMS39
Strategic Focus Areas
1. Training coordination
2. User Needs Analysis
3. MSI Outreach and Participation
4. Graduate level participation
5. Summer Intern Program
FY02 FY03 FY04 FY05 FY06
Functional Area: EOTC
Central, automated registration in OKC
Faculty Visits for 2 MSIs
JSU Summer Institute
User Requirements Data Analysis
Expand Program as Funds allowCentralized Program for MOS Sites
CAU project
Summer Institutes at all participating MSIs
Implement Faculty Visits for all participating MSIs
All MSIs participate in project activities
Persistent Feedback from meetings, conferences
Central Coordination
Include graduate students into
Intern ProgramIntegrate graduate students into various PET activities
JSU and CSUSummer Institutes
Core to projecttransition for MSIs
Centralized HPCMP Intern
Program
Searchable database of program widetraining related informatio
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High-Fidelity Simulation of Littoral Environments (SLE) — CWO, CFD, EQM, CE
Weapon-Target Interactions (WTI) — CSM, CFD, CCM
Materials By Design (MBD) — CCM, CSM, CEN
System of Systems Simulation (SOS) — FMS, CEA, SIP, ET
Sensor/Scene Processing and Generation (SPG) — SIP, IMT, CCM
Chemical and Biological Defense (CBD) — CCM, SIP, CFD
Second, HPCMO is sponsoring a total of 39 Challenge Projects in FY2003, 28 of which are
carryover multi-year projects. Almost all of these are highly multidisciplinary in nature. So one
important starting point for PET to consider is the combination of CHSSI and Challenge projects
already being sponsored by DoD.
Third, MOS plans to take the opportunity at the February 2003 Technical Review meeting to
incorporate the ideas from CHSSI, Challenge projects and FAPOCs to develop one or more
white papers for proposed FY04 projects. We intend to ask the PET COR, who is also
responsible for CHSSI, to make a short presentation on both the current CHSSI projects as well
as the plans for FY04. This will generate additional ideas for cross-FA efforts.
4.0. Summary. This is the Year Two version of the TMP, in which MOS has captured the
visions from multiple parties for the future of PET by FA. As we plan for Year Three and
beyond, the potential for PET to make significant new technical contributions to the DoD is high.
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