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UMAT - Basic Elastic Properties help

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RedFrame

New member
Apr 11, 2010
9
Hi,
I am new to Abaqus and I am currently writing a basic UMAT subroutine .I started off with just Elastic Properties where the input is just Elastic Modulus and poisson ratio. However, the subroutine doesn't work and the error messages are as follow.

Elastic.for(7) : Error: Unrecognized token '?' skipped
INCLUDE ’ABA_PARAM.INC’
--------------^
Elastic.for(7) : Error: Unrecognized token 'INC?' skipped
INCLUDE ’ABA_PARAM.INC’
-------------------------^
Elastic.for(7) : Error: Syntax error, found IDENTIFIER 'ABA_PARAM' when expecting one of: <CHAR_CON_KIND_PARAM> <CHAR_NAM_KIND_PARAM> <CHARACTER_CONSTANT>
INCLUDE ’ABA_PARAM.INC’
---------------^

I don't really understand what is ABA_PARAM.INC and why is there '?'
 
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