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222

answers:

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I want to model reinforced concrete structures in Autodyn v6.1 under blast loading. So I am writting an user subroutine to model concrete with modified properties but I cann't link writed subroutine to Autodyn. So I am trying to find the solution or find some references/websites that can help me.

A: 

If i am guessing correctly, and you refer to Ansys Autodyn subroutine writing,

nik
Thank You very much, your are so kind.You are right but I Did what you said and when I wanted to relink a subroutine to Ansys, I faced with this error:"LINK: fatal error LNK1104: cannot open file “ANSYS.exe” NMAKE: fatal error U1077: ‘link’ : return code ‘0x450’ Stop. "I think it is because of ANSYS memory setting but I cannot solve this problem with modifying ANSYS Configuration.Also i cannot find same user subroutines (in current Ansys directory) which I am using them in Autodyn v6.1. Do you have any idea about Autodyn v6.1? Thank You in advance.
@Morteza, no I am not acquainted with Autodyn. I posted these links to (a) point you to them if you did not already know, and (b) to give anyone else who has more info, a starter.
nik