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Found 4 results

  1. Hello, i am performing a topographie optimization of a hat-shaped beam unter 3-point-bending with HyperMesh and Optistruct. My aime is to minimize the compliance beneath a certain value (objective minimize compliance, constraint compliance < 14000), without exceeding a certain mass (constraint m < 0,000553) In the optimization controls i have limited the maximum number of iterations to 100 and the convergenze criterion to 0,000001. When i start the optimization, optistruct only performs the inital analysis and one optimization-iteration. The compliance of this one and only optimization-iteration is lower then the inital compliance but higher then the desired compliance. Why does optistruct dont perform additional iterations? Thank you very much for your help! With kind regards Tim Winkler
  2. Hello Everyone, Currently we have designed a Tank (Thin surface - Topography Optimization) in CATIA V5 and want to optimize it. Is there any method that will facilitate automatic changes in the model without requiring to make changes manually in CATIA V5 after Optimization. A part of my Project is to investigate a method that will automate design optimization with CATIA V5. In the Altair Website I have found a method (http://de.slideshare.net/AltairHTC/s15-hs-zwickau) but not sure on how to apply it. Any further sugestion would be really helpful. Thank you in advance
  3. I get this error while running topography optimization. *** See next message about line 40 from file: C:/Users/sayinde/Documents/topography and shape optimization document/topographyandshapeopt_file - Copy.fem (this is continuation line 1 of DTPG,1 bulk data) "+ PATRN 1 92 15" *** ERROR # 1201 *** in the input data: DTPG card without required MW data. My objective is to minimize the compliance. I set constraints for static displacement. Please, help. Thank you.
  4. I got this error message while running Topography optimization with Optistruct in Hypermesh: Messages for the job: *** See next message about line 1278 from file: C:/Users/sayinde/Documents/New folder for topography/2D_component.fem "PSHELL 1 0 01.0 00.83 0.0 +" *** ERROR # 1000 *** in the input data: Incorrect data in field # 3. Please, help me take a look at the attached document, inform me what I am doing wrong and the right thing to do. Thank you. 2D_component.hm 2D_component.fem
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