Frequently Overlooked Features in Abaqus - 3DS

37 Pages·2011·0.88 MB·English

by  Brad Heers

Frequently Overlooked Features in Abaqus
SIMULIA Great Lakes Regional User Meeting
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Brad Heers
Technical Marketing, Automotive
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A true story…
...from the “old days” of CAE
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Looking at Example Problems
Explicit Dynamics for Vehicle Crash
 Cellphone drop?
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 Adhesives for food preservation?
Iterative Solver for automotive engines
 Geomechanics of large oil fields?
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versus today…
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Abaqus 6.11
Contains over 110 new features
Significantly expanded multiphysics
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Our “Dilemma”
Many new features every Abaqus release
1  Not enough time for SIMULIA to talk about every feature
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 But does not provide enough time to “imagine new uses”
What are the “Really Useful Features”
 Or at least some of them?
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Discussion Topics
Elements
Solution Sequences and Solution Features
1 Performance and Efficiency
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Discussion Topics
Elements
Solution Sequences and Solution Features
1 Performance and Efficiency
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C3D10I: General-Purpose Tetrahedral Element
Introduced in Abaqus 6.9
I = “Improved Surface Stress”
1  Not Incompatible Modes
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ag  Thus stresses are calculated directly on the surface
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Slight performance degradation relative to C3D10
Good in contact with surface to surface formulation
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C3D10I: General-Purpose Tetrahedral Element
Key features
 Provides accurate surface stress predictions
 Suitable for bending-dominated problems
 Handles incompressible material behavior
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Analytical solution:
analytical solution
38,400 psi
C3D10I
C3D10M
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