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VUMAT:The state variables are not updating after intial time increment

Hello Sir,

My ABAQUS model has two parts:1.Projectile,2.Target. I have written subroutine for target.I want to use inbuilt johnson cook damage model for projectile.How to use subroutine only for the target in ABAQUS analysis?

KOSURI BHANU's picture

Is my VUMAT subroutine right?

Hi,

I has written a subroutine for the 'probabilistic damage model for the dynamic fragmentation in brittle materials,hild,advances in applied mechanics,2010'..The procedure I followed in UMAT subroutine is as follows:

 

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