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Everything posted by mcewen24

  1. Hi, I was using the lattice optimisation tutorial in order to complete a lattice optimisation on my own component and it completed the first step no problem, producing the "_lattice.fem" file. However, when I then ran that through OptiStruct, I got the following error: *** ERROR # 1814 *** MASSFRAC response on DRESP1 card 2 is not applied to a topology or free-size domain. Please could you advise on what I should do? Kind Regards, Iain
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