Optistruct error !! 503 Zero Pivoting

Altair Forum User
Altair Forum User
Altair Employee
edited October 2020 in Community Q&A

hi friends , I am having the following error in my model,, Please help me out..

Exactly zero pivoting encountered during Numerical Factorization;

the model may have rigid body mode.

Solver error no. = -503

spc set id = 0

index = 1

Dnt know what to do !!

Answers

  • Altair Forum User
    Altair Forum User
    Altair Employee
    edited July 2011

    hi friends , I am having the following error in my model,, Please help me out..

    Exactly zero pivoting encountered during Numerical Factorization;

    the model may have rigid body mode.

    Solver error no. = -503

    spc set id = 0

    index = 1

    Dnt know what to do !!

    check your loads and especially boundary conditions, maybe because of your bc's.

  • Altair Forum User
    Altair Forum User
    Altair Employee
    edited January 2016

    Hi, has this been resolved? I'm having a very similar issue.

     

    Thanks!

  • Altair Forum User
    Altair Forum User
    Altair Employee
    edited January 2016

    hi Josh1221,

     

    Can you share the .out file, please?