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Found 1 result

  1. Hello, in order to get a smooth stress distribution with no spikes, my plan is to constrain a surface with RBE3-Elements to an SPC. Since it is not possible to directly connect the dependent nodes of the RBE3 to the SPC I thought I could use a spring (cbush) between the RBE3 and the SPC. As long as K1 and K4 of the pbush property of the spring are rigid my simulation runs. But obviously the spring will be deformed when K2, K3 K5 and K6 are zero. Nevertheless I get a smooth stress distribution. Making all six Ks rigid gives me an error. Using an RBE2 directly connected to an SPC gives me spikes. So my questions are: - how can all 6 Ks of the pbush be rigid without getting an error? - how can I connect an RBE3 to an SPC (is there a better way than using a rigid spring)? The attached screen shot shows the problem. Thank you in advance. Felix
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