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Roy Duan

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About Roy Duan

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    China
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  1. Hi @Ivan, How to calculate the beadfrac for a plate with beads? Does it mean the bead area divide the whole area? Roy
  2. First, define compliance response Second, define compliance response constraint (dconstraint panel). I think you should give a specific lower bound (the minimal compliance value).
  3. Hi, For an optimization analysis, the constraint is defined with dconstraints panel. Roy
  4. Hi, How to calculate the beadfrac for a plate with beads? Does it mean the bead area divide the whole area? Roy
  5. Hi @Rahul R, Thank you for the document. What's the meaning of "threshold" an "layers" parameter in OSSmooth panel under below? How to understand it and how to set the right values for them? Roy
  6. Hi all, I do a topography optimization for a flat plate. The bead height was defined as 4mm. However, for the final optimization design, the bead height was found to be only 2.568mm, smaller than the defined value 4mm. How to understand this phenomenon? And how to solve this problem? The .fem file is attached. CeBan_BeadOptimization.fem Roy
  7. Hi all, How to understand Linear with two plane symmetry pattern group? Specifically speaking, how to understand the second symmetry plane? What's the typical situation, any example? In addition, for one flat plate bead optimization, how can we use the linear with two plane symmetry pattern group? Roy
  8. Hi @Rahul R, Thank you for your information. Is there any example about global search with topography optimization? Roy
  9. Hi all, In optistruct, the optimized design seem to be a local optimum. How to find the global optimum solution? Roy
  10. Hi all, After topography optimization, how can we get the optimized geometry by using hypermesh? How to use OSSmooth panel? Roy
  11. Hi all, What's the meaning of "beadfrac" response in topography optimization? How to compute it by equations? And how to use it correctly? Roy
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