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user subroutine in ABAQUS

user subroutine in ABAQUS

user subroutine in ABAQUS

Hi every body

I have a model with varied modulus of elasticity (E) with normal stresses sx, sy

E ... .......... .. SX ..... SY
200000 ..... < 500 .... > 500
20000 ..... < 500 ..... > 500

I have used user USDFLD subroutine in ABAQUS but I MAKE SURE that I have some mistakes and I donot not know how to solve. I do not understand USDFLD user subriutine well.

The CAE file and user subroutine are attached here.
please see the both files and help me to fix the problems.

thanks in advance


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