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Found 2 results

  1. Hi, I'm trying to use superelement to simplify a model and focus on a single component of this model. the loading is composed of : - gravity load - imposed displacement using SPCD. this loading is not directly applied on the component I am trying to isolate and thus should be included in the PAX. When I generate the .pch file and use it in the simplified model the obtained results (deformed structure for instance) are very different from the ones obtained with the original model. It seems that the inforced displacement is not taken into account. This assumption has been verified as I removed the SPCD from the original FEM and obtained the same results as with the condensed MEF. is there any special care to take when using DMIG and SPCD? Are they compatible? thank you
  2. Hi, I've been trying to find the force required to create an interference fit between two parts. I'm fully constraining one of them, and placing an SPCD upon the other. The contact between the parts is a sliding one (I've tried different values of friction, but nothing seems to help). I'm using a non-linear implicit analysis. The solver gets quite far down the line, but then crashes at some point because it cannot converge. One of the parts begins to deform (as it is supposed to), but then the solver doesn't get any further. Chamfering the goemetry to avoid sharp edges helped some, but not enough. Any thoughts, or a location where I can share a large .fem file? Thanks, Jai
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