×
INTELLIGENT WORK FORUMS
FOR ENGINEERING PROFESSIONALS

Log In

Come Join Us!

Are you an
Engineering professional?
Join Eng-Tips Forums!
  • Talk With Other Members
  • Be Notified Of Responses
    To Your Posts
  • Keyword Search
  • One-Click Access To Your
    Favorite Forums
  • Automated Signatures
    On Your Posts
  • Best Of All, It's Free!
  • Students Click Here

*Eng-Tips's functionality depends on members receiving e-mail. By joining you are opting in to receive e-mail.

Posting Guidelines

Promoting, selling, recruiting, coursework and thesis posting is forbidden.

Students Click Here

Jobs

Usermat

Usermat

(OP)
Hi Guys,
I wrote usermat for sma material using fortran language.When I was testing the usermat, |I could not get solution. The status showed that the simulation is running and it ran over 2 hours and after that it returns errors.I was wondering if there is someone who is familiar with incoporation of usermat in ABAQUS.I am willing to send the code to anyone who can help me in solving this problem.

Thank you.

RE: Usermat

Go with 1 element test first.

Check: 1) stress update in umat;2) Jacobian

Contact abaqusDr@gmail.com with input, umat and reference papers for umat if you do need help

Red Flag This Post

Please let us know here why this post is inappropriate. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework.

Red Flag Submitted

Thank you for helping keep Eng-Tips Forums free from inappropriate posts.
The Eng-Tips staff will check this out and take appropriate action.

Reply To This Thread

Posting in the Eng-Tips forums is a member-only feature.

Click Here to join Eng-Tips and talk with other members!


Resources