strange deformation under variable load

Hello, I am creating this geometry (figure 1) with Polyline and then Extrude.

The issue is that when I solve the pressure load (figure2) the deformation is very strange (figure 3) as if it considers some boundary in the points.

Any suggestions ?

Thanks a lot


  • @Panos_Ai, good evening!

    At the beginning: it is necessary to know, where are the supports?

    I think, that your issue can be related to the following situation: to create Polyline, you have created a lot of points:

    And now you applied boundary conditions for all these points.

    It seems like your issue is related to these points.

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