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Dear Colleagues,
Does anyone know how can the plastic strain be greater than unity? Such as in the benchmark manual 3.2.10 Indentation of a crushable foam plate:
*CRUSHABLE FOAM HARDENING
0.2000E6, 0.0000
0.2577E6, 0.0094
0.2760E6, 0.0258
0.3053E6, 0.0452
0.3267E6, 0.0655
0.3623E6, 0.1084
0.3891E6, 0.1540
0.4250E6, 0.2405
0.4568E6, 0.3812
0.4738E6, 0.4600
0.5170E6, 0.6391
0.5862E6, 0.8570
0.6503E6, 0.9857
Hello to all,
My project is crack propagation in expander wheel.
I did static analysis in abaqus and i used FRANC3D for crack modelling.
I insert crack in FRANC3D, surface meshing is done but not volume meshing.
It gave me this error:
backtracking stagnating: restarting contraction
What is this error?
Can anyone help me?
I attach 2 pictures. First picture shows the meshing and another shows crack location.
In crack location i have two seed size of elements because of model geometry.
Hi,
I am trying to extract logrithmic strains from Abaqus and then trying to compare with the experimental ones but I am getting different results. I found out the in Abaqus it uses slightly different formula then what I use theoretically.
In abaqus it computes LE from the following formula:
LE = plastic strain - true stress/E
But what I believe is that it should be like:
LE = plastic strain - yield stress/E
Can any one highlight why abaqus is using the first formula for LE calculation?
The newly setup "CAEP software center for high performance numerical simulation", located in Beijing, China, is recruiting.
The center is focused on large-scale numerical simulation on petaflops systems such as Tianhe-2 etc.
The R&D of the center spans broad areas of high performance numerical simulation including preprocessing (CAD, mesh generation), parallel visualization, high performance middleware, computational mechanics (nonlinear FEM, GFEM/XFEM, SPH/MPM), mental and energetic materials, nuclear physics, electromagnetics etc.
