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Found 2 results

  1. Dear Altair support team, Mr. Rahul R., I am working on optimization the vehicle crash box, I have some question about Hyperstudy / Hypermorph coupling for shape optimization. As first figure below, I created 2 Shapes (yellow and green) by translating the handles in -X,+X direction to increase the taper angle. In HyperStudy, I defined the model type as HyperMesh, while I am importing input variables from HyperMesh, they ask me to identify the lower and upper bound once (as second figure below). In this study, I would like to have the design variables including crash box thickness, shape1 and shape 2. Question 1. I seperated the shape into 2 because I have no idear to handle with them, can there cause any problem further? 2. If I want to keep the handle distance (+10,-10 in x direction) which is defined in the HyperMesh, Should I set up the input variables as following? Variable 1 (dv_1) Lower= 0, Nominal = 0, Upper = 10 Variable 2 (dv_2) Lower= 0, Nominal = 0, Upper = -10 Are there correct? Thank you for your calification. Best regards, Wisawanart
  2. Hi everyone, I have a question about 1d element with varying cross section. Is it possible to use such elements with optistruct? I have tried CBEAM as an element and property PBEAML, I ve tried everything and I cant figure it out. I ve tried using the PBEAML card option "pbeamlintstationslen" for dividing element into different cross sections but it doenst work. Can anyone guide me on this subject? Thank you very much for your time, Gonçalo
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