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Found 5 results

  1. Hello, I am in need of help setting up an Optistruct run. I want to optimize wall thickness with a upper limit on stress. I have used a 2D automesh and I have a DTPL that veries wall thickness of the main body a base of 1.0mm to 10mm (defined by material property). I have the objective of the Optimization to Minimize VolFrac, and the responses set to VolFrac and StaticStress. Lastly I have set the upper bound of StaticStress to be the Failure stress with a OptimizationConstraint. Whenever I run the Optimization the wall thickness does not very with every iteration (stays at 1.0mm). Attached is my .hm model. Is there a tutorial that shows you how to do this? Thanks! V4SwingThic1.hm
  2. Hi all, I'd like to use Matlab to control OptiStruct -- change design variables and run the analysis. My intent is to use numerical methods scripts I've written in Matlab and loop back and forth between Matlab and OptiStruct. The process would run as follows: 1. Matlab -- numerical methods algorithm takes in FEA results, outputs design variables 2. Optistruct -- takes in design variables, runs FEA and outputs results (.out file) 3. Repeat Can anyone help me run OptiStruct from Matlab? More generally, does anyone have experience running OptiStruct externally? Thank you in advance for any help! Best, Alex
  3. Hi all guys. After inspire have run completely, I display that result. It show dialog No Shape Created. And my design space is not optimize. There are only appear and disappear. Please advise.
  4. Dear All, I am trying to use optimization fuction in HyperForm as belows but did not success Anyone in this forum do it before? Can you share me some experience how to do it? What does Boundary Line mean? how can get it? Thanks and Brs,
  5. When I run analyze and view my results the colors do not show. Additionally when I run an optimization the result is a bunch of lines coming out form the part like a star. Am I doing something wrong when setting it up? Or is there something else that could be causing this failure? Thanks in advance! Jamie
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