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Dear all,

      I am using a Abaqus modeller with fortran subroutines. I have written a UMAT subroutine and now want to apply some damage initiation-evolution criteria. But I get the following error: a damage initiation property was used with a user material.

I wanted to apply the criteria externally from the subroutine.. How can I go through with this problem? I tried different criteria (stress and strain based) to check if it is a matter of the output variables... No result..

Hi

I have made a user element, UEL of a cohesive zone element. which is a 8 noded brick element with zero thickness. After solving models using this element I would like postprocess the model in abaqus CAE 6.10 in the way that I am able to:

Hi.

I am working on the simulations of impact. I have only found a set of constants for AL 6061-T6's JC failure model in the literatures. (D1=-0.77; D2=1.45; D3=-0.47; D4=0; D5=1.6) 

However, the simulation results using these constants were not good.

Who can do me a favour and kindly provide another  set of constants (D1~D5)? Or, may you recommend another failure model and constants for AL 6061-T6?

Thank you very much.

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Hello everybody

I am trying to  prepare DIC setup for my project. I was wondering if anybody knows about  the minimum requirements for the camera in a static and also in a dynamic test(charectrictics such as resolution,shutter speed and anything else that might be important).I found a sony camera with 1 Mpixel resolution and 7.5 fps shutter speed (that is valued at 1000$) that somebody told me this is suitable for a static test.

thanks in advance