Download - Autodyn New Features v61
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ANSYS AUTODYN v6.0/1
New Feature Highlights
This document gives an introduction to some of the key features and enhancements available in the general release of the ANSYS AUTODYN software. For full details on these and other new capabilities please refer to the Whats New section of the ANSYS AUTODYN on-line help.
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ANSYS AUTODYN v6.0 Features and Enhancements
Next Generation of 3D Lagrangian Solvers New Improved 3D Multi-Material Euler Solver Improved Coupling of 2D and 3D Multi-Material Euler to Lagrange Parallel Capabilities for all 3D Structured Solvers/Models Rigid Materials/Bodies Combined Mechanical and Heat Conduction Analysis Advanced Composite Damage Models Import Unstructured Meshes Groups for Ease of Model Manipulation New and Advanced Rendering Options Updated On-line Help
ANSYS AUTODYN v6.1 Features and Enhancements
Parallel Capabilities for all 3D Unstructured Solvers/Models Further Enhancements to Multi-material Euler Solvers Enhancements to ANP Tet element Extended Part Summary Data Pre and Post Processing Usability Enhancements New Command Language (Beta Status)
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Solvers Next Generation 3D Lagrangian
Solvers o Increased performance Shorter Runtimes
o Reduced memory requirements Bigger Models
o Increased flexibility 3rd Party Interfaces Complex Geometry
o Volume Elements (Hex, Penta, Tet) Exact and Single Point Gauss
Integration ANP-Tet (no volume locking) Multi-Material ANP Tet nodes (v6.1)
o Shell (Quad, Tri) Isotropic Isotropic/Orthotropic Layered
o Beam (Line) Working with: o Standard ANSYS AUTODYN material
models o Contact / Eroding Contact
o Rigid and Pinned Joins
o Coupling to Eulerian Solvers
o All Structured (IJK) Solvers
o SPH
Simulation of a bullet impact onto a transparent armor system using the new Hex and Tet elements
Contours of damage in the glass of a transparent armor system during bullet penetration
Typical efficiency comparison of the Hex solvers
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Simulation of sheet metal forming using the new Quad and Tri shell elements.
Original mesh of workpiece (left); final workpiece shape (right) Solvers Improved 3D Multi-Material Euler
Solver and Coupling o Multiple materials o Materials with strength o Coupling to rigid and deformable
structures o Coupling with erosion o Remapping o Comparable to 2D Euler o Improved efficiency (v6.1)
Simulation of a high explosive detonation in air inside a confined space
Tungsten long rod penetration into steel
More Accurate and Efficient 3D
Euler-Lagrange Coupling o Cartesian cut cell o Exact geometric representation of rigid
and deformable structures in Euler solvers Exact volume cover fractions
o Automatic adaptation as structure deforms / erodes
Simulation of a hard steel bullet impacting on a
copper plate
Improved Treatment of 2D and 3D Coupling in Combination with Erosion o Robust algorithm for eroding surfaces o Enhanced blending logic o Reduced levels of void insertion o Increased accuracy
Underwater explosion near a cylindrical vessel using
3D multi-material Euler-Lagrange coupling
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Parallel Processing All 3D Structured (IJK) Solvers are now
parallelized o Lagrange o Shell o Beam (New) o ALE o Euler-FCT (New) o Multi-Material Euler
Parallel 3D Euler-Lagrange Coupling o Automatic domain decomposition for
Coupling All Unstructured Solvers/Elements are now
parallelized (v6.1) o Automatic domain decomposition o Combined with Structured Solvers
including contact and coupling
Domain decomposition and example speed-ups for an Euler-FCT simulation run in parallel over a
standard 100mbps Ethernet based Windows network
Automatic decomposition of an Unstructured model
Material Modelling New Rigid Material
o Constrained or kinematic rigid bodies o Use in any unstructured element
volume / shell / beam o Option to explicitly define mass / inertia o Interact with deformable
bodies/materials Contact Euler/Lagrange Coupling
Dialog window for Rigid material definition Advanced Orthotropic Strength and
Damage Model o Orthotropic Strength
General anisotropic failure surface Isotropic hardening Fiber reinforced composites Metals
o Orthotropic Damage Interactive failure initiation criteria Orthotropic, fracture energy based
softening/damage
Prediction of damage levels in Kevlar-epoxy composite subject to impact at two velocities
Updated Ceramic model
o Extended Johnson-Holmquist model JH1 discontinuous form JH2 continuous form New data for SiC User damage law capability (v6.1)
Simulation of long rod impact into ceramic/steel sandwich armor showing dwell phenomena
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Heat Conduction o Heat generation
shocks plastic strain / large deformation energy deposition
o Heat conduction over time o Coupled with large deformation o 2D and 3D Lagrange/ALE solvers only o All equations of state
Initial temperature distribution in a body (left)
conducts through the body in time (right)
Crushable Foam Strength Model o Strength model to allow modeling of
crush behavior of foam under impact o Maximum principal stress limited to
specified compaction stress o Compaction stress defined as function
of volumetric strain 10pt piecewise external file Example simulation of the impact of a head protected
by a foam bicycle helmet Pre-processing Mesh/Model Import
o Extended to include LS-DYNATM (.k) MSC.NastranTM (.dat) Convert IJK Parts to Unstructured
o Access to wide range of third party CAE tools and CAD
o Import mesh material assignments boundary assignments loads initial conditions
Model imported from ANSYS AI*Environment via import option
Unstructured Parts o Copy o Fill o Delete o Zoning, Transform o Gauges
Element / nodal Part Enhancements
o General 2D Quad predef o General 3D Quad predef o Brick predef added to Parts wizard o Refine zoning option o Apply boundaries interactively o Polygon selection of nodes/faces o Extended Dezone options (v6.1)
Interactive application of boundary conditions
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Groups for Model Manipulation o User defined collection of nodes,
elements or faces o Select Interactively
On screen using polygon grab On screen by picking a surface
o Apply/clear boundary conditions Nodal boundary conditions Face boundary conditions
o Fill element groups Material Velocity Initial Conditions
Group of nodes defined for subsequent boundary
condition application
Initial Angular Velocity
o Initial angular velocity in additional to translation velocity
o On the fly during Fill operations o Save as Initial Condition sets
Initial angular velocity definition
Post-processing Unstructured Parts
o All standard rendering options are available for the new unstructured Parts
Render by Parts or Components
o Select and apply rendering options by Part or Component
Examine shell sublayer data
o Select sublayer data to review o Nodal data also now available in
addition to element data General Slice Plane
o Contour data on a user defined plane o Locate and orientate the plane
independently of the mesh o Combine with solid contour opacity
options
General slice plane through concrete target highlighting damage during penetration by a hard projectile
New Shading Option o Flat shading o Gouraud shading
Round the shading at sharp corners
Extended Lighting Options
o Up to four light sources o Control properties of each source o Type
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Directional, Bi-directional, Spot, Point
o Properties Ambience, Diffusivity,
Specularity
Obtain a shiny metallic effect using the new shading and
lighting options
Improved Rendering across Joined Nodes o Remove Joined edges/surfaces o Transparent contour across joins
New SPH Rendering Options
o Truncated contour plots only display particles within
specified contour range o Fade outliners
Transparency effect Highlight user specified
elements/nodes New Zoom Fit option
Visualize crack growth within an SPH discretized ceramic using the Truncate and Fade Outliner options
Post-processing Extended Part Summary (v6.1)
o Hourglass energy o Contact energy o External forces
boundary contact coupling
o Write to print file o Select as optional Part summary
variables to plot as time history
Examine Graphs (v6.1) o Time history o Profile plots
External force on structure subject to mineblast
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AVI Movie generation (v6.1)
o Generate AVI movies directly o Select compression algorithms
installed on your system
Movie of grenade fragmentation simulation
New Command Language Command language (v6.1)
o Record GUI operations o Replay/Modify operations o Load operations from previous
sessions o Available only for Setup, Parts
operations o Activate through ANSYS
AUTODYN.ini file o Beta status
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Updated On-Line Help and Documentation Updated to include information on material models
Access detailed information on each material model by pressing next to
the modeling option