×
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

Error in Abaqus during peel test analysis of cohesive elements

Error in Abaqus during peel test analysis of cohesive elements

Error in Abaqus during peel test analysis of cohesive elements

(OP)
Hello All,

I am running a peel test analysis to determine the properties of cohesive elements. I have attached a file with the name "loads and BC" that shows the load applied and the BCs. I have given the interaction properties between the adherend (CNT) and adhesive (epoxy). I have given the material properties to the same. However, I get the following error message each time I run the analysis-

Solver problem. Zero pivot when processing D.O.F. 3 of 17 nodes. The nodes have been identified in node set WarnNodeSolvProbZeroPiv_3_1_1_1_1.
Solver problem. Zero pivot when processing D.O.F. 1 of 25 nodes. The nodes have been identified in node set WarnNodeSolvProbZeroPiv_1_1_1_1_1.
Solver problem. Zero pivot when processing D.O.F. 3 of 7 nodes. The nodes have been identified in node set WarnNodeSolvProbZeroPiv_3_1_1_1_1.
Displacement increment for contact is too big.
Displacement increment for contact is too big.
Excessive distortion at a total of 30 integration points in solid (continuum) elements
Displacement increment for contact is too big.
Displacement increment for contact is too big.
Excessive distortion at a total of 712 integration points in solid (continuum) elements
Displacement increment for contact is too big.
Displacement increment for contact is too big.
Excessive distortion at a total of 4 integration points in solid (continuum) elements
Displacement increment for contact is too big.
Displacement increment for contact is too big.
Displacement increment for contact is too big.
Displacement increment for contact is too big.


I have identified the nodes to be at the boundary condition. I am not sure as to how I can proceed further. Kindly help me. Thanks.

RE: Error in Abaqus during peel test analysis of cohesive elements

can you post the input file
i will try my best to help
thanks

Isyhadh

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