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Found 2 results

  1. Hi all I want to calculate deformations in a solid due to thermal expansion. I calculated the temperature field in a CFD solver and now want to use this temperature field in Optistruct in a thermal expansion analysis. I have used the linear interpolation under BCs>Create>Temperatures but when I ran the simulation no displacements were calculated. I discovered that apparently the linear interpolation tool only works for shell elements (while I have a solid with solid elements obviously) so I think this has something to do with my problem. My question is: How would I import a temperature map to my thermal expansion simulation (with a solid) in Optistruct? Is there another way? Looking forward to your ideas Toon
  2. Hello All, I am running a Non Linear Optimization with the following load conditions: STEP-1 Assembly fit using PCONT clearance Pretension STEP-2 Temperature change from 23 degres to -40 degrees Non linear optistruct run was clear but when I run the model for optimization I get the following error: *** ERROR # 415 *** Static Subcase 2 has "STATSUB(PRETENS)" defined. Optimization with compliance cannot be performed. Any suggestions will be highly appreciated. Thanks Praveen
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