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Hi, Could someone please tell me if there is a way to use "stress versus axial shortening" curves from experimental data to define the work hardening part of the stress - plastic strain curve in MARC. The manual says the data has to be from tensional experiments to define them in a tabular...

Hi I have been trying to model power law creep is abaqus using the standard time-law hardening option. The following are the values I am using: Youngs Modulus = 55e12, Poisson's ratio = 0.25 A = 2.9e-37, n = 3.3, m = 0. (My model length unit is in Kms (not meters); hence the unusual numbers...

Hi, I am trying to create a solid in the assembly section, but I am running into these errors - "The depth reference should not be on the section plane" and "Could not determine feature depth. #QUICK FIX, #REDEFINE/#REROUTE" The same technique worked before, so I am clueless what is going...

Hi, Is there is a way to get the orientations of the principal strains/stresses directly from CAE ? thanks SS

Hi I have a Patran database that I created in a SUN system about 3 years ago. I tried opening this database in Patran (2006) on a windows machine and it is giving an error that it needs to converted at the source. Unfortunately I do not have access to the SUN system anymore. Can someone...

Hi I have MARC input files that I created 3 years ago using a SUN. I had to get back to them after 3 years now. For some reason, I am not able to retrieve the input file without errors. I have been trying to use these input files to create a new job in MARC MENTAT 2007 on a windows machine. I...

Hi, Could someone please tell me if it is possible to retrieve a .DAT file (input file) from .T16 file (results file) ? Thanks in advance SS

Hi, I want to define an elastoplastic material in CAE. The yield strength is dependent on the confining pressure. I have the stress vs. strain curves for different values of the confining pressure. Could someone please suggest me if there is a way to define different plastic...

Hi, I have been trying to run an analysis with remeshing option from CAE. The following is the error I am getting Error in job TwoFauilts061909_remeshing: Unable to delete file(s) ["C:\\Temp\\TwoFauilts061909_remeshing.023", "C:\\Temp\\TwoFauilts061909_remeshing.dat"...

Hi, I have been trying to develop a 2 layered large scale model for geological applications. Due to the nature of the problem, I have to define contacts (10) between all surfaces that can come in contact with one another during the analysis. When I run the model, it runs just fine for...

Hi, I am trying to set-up a large scale geological model (80 Kms x 80 Kms x 12 Kms) in Abaqus explicit. Is there a way to set-up, through cae, a geostatic step followed by an explicit analysis for the same model ? I am using the geostatic step to make sure that gravity is at its full...

Hi, I am trying to define contacts in Abaqus, but I am running into a problem. I want to define a slave surface which is composed of a surface 'minus' the nodes along a selected edge of that surface. Is there a way to do this in CAE ? I tried unpicking the edges using 'ctrl' button in CAE...

Hi, Is there a way to contour the sliding distance (of slave surface w.r.t master surface) on a deformable contact in CAE ? I tried using Tangential motion at nodes option, but Abaqus is saying "Variable not available in display group". All I want it to see how much slip is there on the...

Hi, This is the last set of questions for now :-) I have a completely working model that I developed in Standard. Now I want to set-up the same model in Explicit. The reason being that I have shear fractures modeled as simple sliding contacts (in Abaqus Standard). I want to use Explicit to...

Hi, What is the best way to retrieve the orientations of the principal strains and stresses in the global coord. system. I would like to do this in CAE. I want to know for eg., what are the angles the principal strain make with the XY plane and the Y axis. Let me also mention here that there...

Hi, Could anyone please tell if there is an option to plot isosurfaces in Abaqus CAE visualization. This option allows one to see 3D surface contours of output variable (stress, strain etc.,). I used isosurfaces in Marc-Mentat and I was just wondering if CAE has an option like that. Thanks in...

Hi, I am trying to model contacts in layered (plastic over linear viscous) solids. I am running into a problem. Once the deformation begins, the viscous body flows more easily and comes into contact with a different face of the plastic body than the one it was initially in contact with. My...

Hi, I am trying to submit a model with porous-elastic + CamClay plasticity. I am running into the following error (please see below). The Bottom_Mesh_1-1 is a fixed body and I am not exactly sure what this error means. Can someone please help me in understanding the error. I am attaching the...

Hi, Is it possible to define node-based contact surfaces in CAE without actually creating an orphan mesh ? In other words, is it possible to define the contacts between 'parts' using nodes ? If yes, any suggestions ? Thanks, SS

Hi, Is there a way to split a solid part or assembly into two halves in ProE. For e.g. if I have an assembly with 2 parts. I want to bisect the assembly into two halves creating 4 different parts. Is it possible to do this in ProE ? Any suggestion/advice to do this ? Thanks in advance, SS