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  • Users: Ewoks
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  1. Ewoks

    Axial compression of cylinder and pre load

    Hi, I've to perform an axial compression of a cylinder but I need to avoid compenetration of its surfaces. What should I do? Another question: this cylinder must have an initial internal bending stress distributed through the thickness of the tube. How can I apply it? Thanks a lot Tommy
  2. Ewoks

    *IMPERFECTION command

    I have to perform a postbuckling analysis on a compressed cylinder. I've made a buckling analysis (linear) to find the eigenvalues, then I would like to use the *imperfection command to introduce imperfection modes in the cylinder. I set up a Static, Riks analysis with the command written as...
  3. Ewoks

    Large deformations

    Hi, I need to use large deformations with Abaqus\standard so I activate the Nlgeom command in the step module but I receive a lot of error messages and my job is usually aborted. Where's my error? Do you also know where I can find a tutorial about non linearities and large deformations...

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