an overview of - neup · workflow management existing production tools high-fidelity tools neams...
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Office of
Nuclear Energy
PreparedforNEAMSWorkbenchCollaborators
BradleyT.Rearden,Ph.D.Leader,NEAMSIntegrationProductLine
November2017
AnOverviewof
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• Enabletransformativescientificdiscoveryandinsightsotherwisenotattainableoraffordable
• Solveproblemsidentifiedassignificantbyindustry,andconsequentlyexpandvalidation,application,andlong-termutilityoftheseadvancedtools
• Enhanceopportunityforindustrytocommercializeadvancedconcepts
• Allowindustrytoimplementinnovationsthatimprovetheeconomicsofbothexistingandfuturenuclearpowerplants
NuclearEnergyAdvancedModelingandSimulation(NEAMS)
The NEAMS Mission: provide leading-edge computational tools, currently not available to industry, for accelerating early-stage development of advanced reactor concepts and promoting innovative solutions to important nuclear industry problems; these advanced M&S capabilities will –
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NEAMSOrganizationalStructure
Develop, apply, deploy, and support a predictive modeling and simulation toolkit for
the design and analysis of current and future nuclear energy systems using
computing architectures from laptops to leadership class facilities.
IntegrationProductLineBradRearden
(ORNL)
Fuels Product
Line
Steve Hayes (INL)
ATF HIP
Jason Hales (INL)
Reactors
Product Line
Tanju Sofu (ANL)
SGFIV HIP
Elia Merzari(ANL)
National
Technical
Director
Chris Stanek (LANL)
Leadership Council
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NEAMSMissionAreasNational Technical Director
Chris Stanek (LANL)
Fuels
Steve Hayes (INL) Bison Marmot Focus Problems
Reactors
Tanju Sofu (ANL) SHARP(Nek5000, Diablo, et al)
SAM Focus Problems
Integration
Brad Rearden (ORNL)NEAMS
WorkbenchDeployment
Cross-Cutting
Capabilities
Operations Support
University Programs
Small Business Innovation
Research
User Groups
International
Collaborations
Accident Tolerant Fuels
Jason Hales (INL)
Steam Generator FIV
Elia Merzari (ANL)
TREAT M&S
Mark DeHart (INL)
High Impact Problems
NE Mission Support
Investments
Product Lines
Quality AssuranceUncertainty
QuantificationFocus Problems
Benchmark Handbooks
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• Empiricalmodelscanaccuratelyinterpolatebetweendata,butcannotaccuratelyextrapolateoutsideoftestbounds
• Goal:Developimproved,mechanistic,andpredictivemodelsforfuelperformanceusinghierarchical,multiscalemodeling- appliedtoexisting,advanced(includingaccidenttolerant)andusedfuel.
NEAMS- FuelsProductLine(FPL)
Atomistic simulations Meso-scale models
Engineering scale
fuel performance
Degrees of freedom,
operating conditions
• Identify important mechanisms
• Determine material parameter
values• Predict fuel
performance
and failure
probability
• Predict microstructure evolution
• Determine effect of evolution on
material properties
Mesoscale-informed
materials models
BISONMARMOT
FPL
Atomistically-informed
parameters
Multiphysics Object-Oriented Simulation
Environment
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NEAMS- ReactorsProductLine(RPL)RPL Focus:
• System Analysis Module (SAM)
• Simulation-based High-fidelity Advanced Reactor Prototyping (SHARP)§ Pin-by-pin neutronics, T/H, CFD and CSM modules
§ Capabilities to integrate these modules for multi-physics simulations
§ Primarily targets leadership class computing platforms
§ A range of reduced-order models/methods are also being pursued for more common computing
platforms
RPL
SHARPiscomprisedofseveralphysicalmodelingtoolsandcapabilitytointegratethesetoolsformulti-physicsanalyses§ PROTEUS/MC2-3/PERSENTfor
neutronics§ Nek5000forCFDandT/H§ Diabloforstructuralmechanics§ SIGMAinterfaceformulti-physics
coupling
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• NEAMSFPLandRPLprovidemanyadvancedtools,buttheyoftenrequirelargecomputationalresources,canbedifficulttoinstall,andrequireexpertknowledgetooperate.
• Goal:Respondtoneedsofdesignandanalysiscommunitiesbyintegratingrobustmulti-physicscapabilitiesandcurrentproductiontoolsineasy-to-useversioneddeploymentsthatenableenduserstoapplyhigh-fidelitysimulationstoinformlower-ordermodelsforthedesign,analysis,andlicensingofadvancednuclearsystems.
NEAMS- IntegrationProductLine(IPL)IPL
n Desiredattributes:
• Convenientaccesstohigh-fidelitysimulationstoinformlower-ordermodels
• Commonuserinterface• Simplifiedcommon
inputtomanycodes• Visualization
• Deployment• Qualityassurance• Verificationand
validation• Uncertainty
quantification• Applicationtodesign
systemsandrecognizedbenchmarks
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• Integratecurrentproductiontoolswithadvancedtoolsunderanintegrateduserinterfaceandworkflowmanager
• LeveragemodernuserinterfacefromSCALE,whichisco-sponsoredbyNRC
• Leveragetemplating/inputexpansionenginefromUNF-ST&DARDSandSCALEsothatengineeringparameterscanbeexpandedtospecificinputforanalysiswithvaryinglevelsoffidelityinseveralcodes
• Desiretointegratemanytoolsformanytypesofsystemsanddemonstrateuseofhigh-fidelitysimulationstoinformlowerordermodels
TheNEAMSWorkbench
IntegratedUserInterfaceandInput
AnalysisWorkflow
Management
ExistingProduction
ToolsHigh-Fidelity
Tools
NEAMSWorkbench
IPL
UserInterface:InputGeneration,JobLaunch,OutputReview,Visualization
SystemTemplatesandWorkflowManager
CrossSectionPreparation
SCALE/XSProc
MC2-3
Neutronics
DIF3D
PARCS
MPact
Proteus
MCNP
Shift
Depletion/SourceTerms
REBUS
ORIGEN2.2
ORIGEN
ThermalHydraulics/PlantSystems
SAS4A/SASSYS
SE2-ANL
RELAP-5
TRACE
SAM
RELAP-7
NEK5000
FuelPerformance
LIFE-METAL
PARFUME
BISON
MARMOT
StructuralAnalysis
NUBOW
DIABLO
UncertaintyQuantification
PERSENT
Sampler
Dakota
ProductionTools
NEAMS
CASL
Other
Workflow Manager Guides Physics
and Data ExchangesU
ser
Sele
cts
Desir
ed
Fid
elity
of
Ph
ysic
s
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NEAMS–WorkbenchUserInterfaceSnapshotofFulcrum(fromSCALE)
DataVisualization
TextInputPreferredbyExpertUserswithHighlightingandErrorDetection OptionalComponentInput
PreferredbyNoviceorOccasionalUsers
GeometryVisualization
MeshResultsOverlay
IPL
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TemplatedCommonInput–UsewithManyCodes
SimilartoCASLVERA-INconcept;LeveragesTemplateEngineusedfor
UNF-ST&DARDSandSCALE
Engineering-style
problemspecificinput(typeofsystem,materials,dimensions,timesteps,etc)
TemplateEngine
Expansion
Inputfor
CodeC
Inputfor
CodeB
Inputfor
CodeA
Databaseofsupported
systemconfigurations• Knownsystemsandcustomizablefeatures• Inputrequirementsandoptionsforeach
code• Codeandproblemspecificinformation
(meshgeometry,etc.)
IPL
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• ARCsuiteofcodesdevelopedatANLwith>30yearsofexperience:• Highlyefficient• Goodaccuracy(validated)
• Differentcodesuse:• Similardesigninformation• Differentinputlogic
• Scriptsweredevelopedbyuserstoassistwithinputgeneration
Ø DifficultfornewuserstogetstartedØ Limitedusercommunity
WorkbenchIntegrationofLegacyCodes:AdvancedReactorCodes(ARC)
ETOE-2/MC2-3(Slowingdownequation
solver)
ENDF/B(Evaluationnuclear
datafiles)
Reactordesignparameters
Multi-groupcrosssections
DIF3D/REBUS-3(Fluxsolverandfuelcycleperformanceanalysis)
Powerdistribution,depletiondata,etc.
SNE-ANL(Steady-statethermal-hydraulicanalysis)
Temperatureandflowdistributions
PERSENT(VARI3D)(Perturbationtheory
solver)
Reactivityfeedbacksandkineticsdata
SASSYS/SAS4A(Transitionanalysis)
Reactorbehaviorintransitions
Transitionscenarios Plantinformation
Fuelmanagementstrategies
LIFE-Metal
(Fuel performance)
NUBOW3D
(mechanical behavior)
Shielding
IPL
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• ConvenientinputstructurebasedonMCNPlogic:• Wellknownlogic• Veryflexibleandcompatiblewitha
widerangeofothercodes(PROTEUS,MCNP,etc.)
• Developedinclosecollaborationwith:• ARCcodesystemusers• Codedevelopers
• Challenges:• Keepinputsimple/attractivewhile
compatiblewithdeterministiccodes’specificoptions
• Interpretcomplexmodelsandtranslateforlowerfidelitycodeinputs
WorkbenchIntegrationofLegacyCodes:AdvancedReactorCodes(ARC)
WorkflowManager• Pre-processing:
• Atomdensity calculation• Thermalexpansion• …
• Translationintocodes’inputlanguage• Runtimeenvironment
ARCCodeInputs
DIF3D
REBUS
PERSENT
MCC3
Convenient“standard”inputdefinitionandtemplates
Real-timeinput
validation
Autocompletion
IPL
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• MOOSEapplicationseasilyenabledunderWorkbenchwithuniforminputstandardsavailablethroughMOOSE
• RuntimeupdatedtoexecuteBISON
• MOOSE’sinputmoduleupdatedtogeneratefilesneededbyWorkbench,evenfornewapplicationsevenwhengeneratedbyexternalteams
WorkbenchIntegrationofModernCodes:MOOSE/BISON
IPL
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OngoingandNear-TermCodeIntegrationPlansfortheNEAMSWorkbench
Tool ApplicationProduction
ToolNEAMSTool
IntegrationLead
BISON Fuelperformance x ORNL
MOOSE Generalpurposemultiphysics framework x ORNL/INL
Warthog Multiphysicsneutronicsandfuelperformance x ORNL
ARC Fastreactoranalysis x x ANL
SCALEWidely-usedmultipurpose neutronicsandshieldinganalysis x x ORNL
Dakota Uncertaintyquantificationandmodeloptimization x x SNL/ORNL
VisIt MeshVisualization x x LBNL
PROTEUSThree-dimensional unstructured gridfiniteelementneutrontransportsolver x RPI
MCNP Widely-used MonteCarloradiationtransportcode x RPI
IPL