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Found 2 results

  1. Dear hyperworks users, Currently I am using optistruct for my graduation project. The subject is about the optimization of a special type bridge. The goal is to generate/optimize the design for a minimum mass. I performed several runs with a volumefraction constraint to maximize the stiffness, which worked fine. Now I would like to perform a weight optimization but I am not able to generate any result. I applied a displacement constraint at several locations and defined the allowable bounds. The objective is set to minimize the volumefrac. But I also tried: volume, mass and massfraction. I also tried to use stress constraints allthough I know it is not recommended. But so far i only obtain errors or incorrect results. So my question is: Can someone help my solving this problem or is there any tutorial available which describes a similar problem? Your response is welcome. Regards, Michael
  2. Hi, I'm a final year student currently undergoing a final year project about lower arm suspension. I'm still new to this software and I'm hoping that you guys can help. After I've optimized my lower arm suspension by minimization of its mass, it says design violation and it had shown me my original factor Of Safety 2.1. Does it mean it needs to be higher or lower? Or did I do something wrong in applying the force? grtab.stmod
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