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  1. josemanuellodoso

    SOL 106 Non Linear Elements

    I have a joint between a fitting (modelled by tetra10 elements) and a spar (modelled by cquad elements) in which each fastener is modelled by: -RBE2 attaching 4 nodes of the fitting to central node 1 (DoF 123456) -CBUSH between central node 1 and central node 2 (the same node duplicated). (PBUSH...
  2. josemanuellodoso

    USER FATAL MESSAGE 4658 (NPEND)

    I am running a SOL 106 analysis and in the .f06 file I get: USER FATAL MESSAGE 4658 (NPEND) DIFFICULT GEOMETRY PREVENTS FURTHER COMPUTATIONS FOR ELEMENT WITH ID = 1970001 But this element is ok. This message appears after a 5 bisections without convergence in any step.

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