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I'm just wondering if anyone managed to apply built-in model or write UMAT to simulate the nonlinear elastic behavior of soil in the undrained environment. I found this would be hard to implement in Abaqus.. Lang

For a better description of my problem, I would like to present my script here. from odbAccess import* odb=openOdb(path='MembraneTest.odb', readOnly=True) #odb step1=odb.steps['Loading'] #step node1=odb.rootAssembly.instances['PART-2-1'].nodeSets['MEMBRANE_SIDEX']...

Thanks, IceBreakerSours, The problem is that I need to output those field values in a text file for the further processing it by other software. And it should be transformed in the local coordinate first....

Hi, Bartosz Got a new problem while I try to change odb coordinate by writing script. Since the odb is read only there is no way to save the transformed coordinate in odb. Everytime you attempt to do it, then a lck file is generated. This is very annoying in my case. Do you have any idea of how...

Thanks, Bartosz. I've done this using the script to transform the coordinate for output, but you gave an easier way! Lang

I've tried both *Orientation and *Transform but they seem not like working for my problem. I need the field output, for example, radial displacement, in the cylindrical coordinate so that I could directly read it from odb by writing script without launching CAE. Any thoughts? Thanks. Lang

Thanks. This really helps.

Hi, I'm just wondering if there is any built-in model rather than Modified Cam Clay to simulate the nonlinear elastic behavior for the fluid-stress coupled problem. Or anyone knows where to find the example coding of UMAT for the poroelasticity so that I could learn and understand some...

Hi Corus, Thanks for your reply. You are right that linking the setting to the model geometry itself will make renumbering not necessary. However, I'm using the inp file to run parametric study on the model geometry. The reason that I avoid using CAE is that some properties are not able to...

Hi, I've established a model in CAE and modified its dimension without changing the meshing properties（exact same type and number of elements and nodes). The only thing I expect to change is the coordinate of each node. However, I found the number has also been changed for each node. I know...

Hi, I've been using Abaqus for a half of year, and got two confusions during my simulation. 1. When modelling pore fluid response, the module of Abaqus/Standard Soils(transient) is applied, but my model also includes a time-dependent interaction between rubber and soil, specifically the load is...