ABAQUS
Viscoelasticity in Abaqus
Hi All,
I would like to use Abaqus to model the viscoelastic material behaviour of a polymer.
I have material data from a simple uniaxial creep experiment (nominal strain vs time). I tried to use the viscoelastic material model in Abaqus. I am a bit confused as to how I need to enter my data (what format).
The manual says I have to specify the normalized bulk and normalized shear compliance .
where is the shear compliance and the volumetric compliance
stepTime vs. totalTime in VUMAT
Hi
I’m trying to develop a VUMat routine so I’ve already
started to learn its features. I recently got this problem that what exactly
the variable stepTime means! I created a model with 3 steps including the initial
step and I coded my routine somehow that when the stepTime is equal to 0 it
prints something into a file. Surprisingly only once in whole analysis the
stepTime would be 0 and that’s exactly at the beginning of the analysis when
totalTime is in fact 0. Could anyone please explain why this happens?
Thanks
Unconverged Mohr-Coulomb Plasticity, ABAQUS
Dear Abaqus Users,First of all, I want to clarify that I am a beginner in Abaqus (only few months) and new in iMechanica. I have been modeling an excavation in Abaqus/CAE. I am using several layers of soils which have been modeled using Mohr-Coulomb model, the wall as an elastic material. Both the wall and the soils were modeled with 2D solid elements (plane strain).I have been facing with lots of problem with the interaction of the first layer and the wall, "UNCONVERGED MOHR-COULOMB PLASTICITY" in the GEOSTATIC STEP!!!!.
Glued connection in Abaqus
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Hello,
I am a new user of Abaqus and need to model a glued connection between 2 solid elements (the nodes on both elements must have same displacement, no relative movement between them). In other software (cosmos/m for instance) this is accomplished by merging these overlapping nodes.
I need to do this in Abaqus, looked in the huge Abaqus documentation, but it is hard to find this for complete beginner. Please help.
How to use mohr-coulomb criterion to simulate the indentation of BMGs in ABAQUS?
I encounter a big challenge now.
I wanna use mohr-coulomb criterion to simulate the indentation of BMGs in ABAQUS.However, there are many parameters confusing me.
We know the mohr-coulomb can be written as:
τc=k0-ασn
Connecting ABAQUS with MATLAB
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Hi,
Does any body know if MATLAB functions and scripts can be called into an ABAQUS subroutine like UMAT?
Alankar
Graduate Student, Washington State University, Pullman, WA
python script error
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Hi
I have script written in phyton and get following error when try to read history data.
I will appreciate any help.
thanks and regards,
ERROR:
Crack Length in Cohesive Element (ABAQUS vr 6.7.1) in pure MODE I case
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Help! imechanica!
This might not be a smart question to ask, but if any of you can help me, it'd be great.
I have a DCB (sandwitch specimen) with a cohesive element in the middle. Studying pure Mode I case, displacement is applied at the end of the DCB. Cohesive element works great (it fails when one reaches max separations). But I am having a difficulity in extracting crack length (i.e. length of failed cohesive element) vs time step. I looked for Damage and Status commend, but it's not promising. (I'm pretty new to ABAQUS....)