Error: Negative Jacobian detected during domain initialization

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  • tomisinajayi
    Junior Member
    • Jun 2023
    • 12

    Error: Negative Jacobian detected during domain initialization

    Hello,

    I am having trouble running my structural mechanics model. It keeps giving me this domain initialization error and also lists specific elements that have negative jacobians. I have tried finding the elements and deleting them from my model; I've done it for several elements but it is still giving me the same error. I have also tried using nodal boundary conditions to keep the balloon in place as I apply pressure to stabilize the model. What can I do to fix it, please? I have attached my model also.

    preg_cfcfebio_8202023.feb


    Tomisin Ajayi
  • maas
    Lead Code Developer
    • Nov 2007
    • 3721

    #2
    Hi Tomisin,

    We communicated via email regarding this issue, but just for the record wanted to add here that this issue resolved so we can close this issue.

    Best,

    Steve
    Department of Bioengineering, University of Utah
    Scientific Computing and Imaging institute, University of Utah

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