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Incremental strain zero in UMAT

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Posts: 1
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(@Siddharth Sriram)
New Member
Joined: 6 years ago

Hi All,

I have implemented a damage mode for non-linear elastic composite in LS-Dyna. However, I found that the incremental strain in the loading direction is zero in the local (UMAT) coordinate, and has a unique (and increasing) value in the global coordinate. Please can anyone advice on this? THanks

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Posts: 3998
(@jorgen)
Member
Joined: 5 years ago

Unfortunately I have not hear or seen that issue. I suspect that there must be some issue with your code.

-Jorgen

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