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Q.Nguyen-Dai

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Everything posted by Q.Nguyen-Dai

  1. If your PC is older than 3 years, don't upgrade but replace it!
  2. @awe901: show us some details of your hardware? 24M elements model is big. A big model needs a "big" hardware to solve. OpenFOAM is Open Source software, so you have everything on Internet free to learn Linux OS is also Open Source software, you can learn it no issue. It's my favorite OS
  3. It doesn't make sense if you just look at the frequency and the number of cores. Another factors to check: cache, supported memory type,...
  4. Within your Hyperworks installation, have a look at (my 2020 release on Windows laptop): file:///C:/Program Files/Altair/2020/help/hwdesktop/hwd/topics/chapter_heads/scripts_r.htm
  5. With Hypermesh, the pre-processing software, you have all these informations, but not about results (stress, displacements,...) For results, you have to use Hyperview, the post-processing software.
  6. What do you mean "corresponding data" of node/element? Node coordinates?
  7. Personally I use "Notepad++" and sometime "Sublime_text" on my Laptop Windows. Under Linux, I use most of time "vim" and sometime "geany, gedit". I don't like IDE
  8. If you can not do this task in interactive mode, maybe no way to do with a script. Share your model?
  9. Hi Alex, Another method: do mixed meshing: HEXA when it's possible and TET/PENTA/PYRAMID elsewhere. Attention: not all FE solver can support PYRAMID elements.
  10. Simsolid is a tool for designer. So if you want to get deformed form (the mesh, not geometry), try Optistruct or another FE solver.
  11. For nodes, elements you have "sets" or "components" For geometry entities (surface, line, solid,...) you have "components" Another thing, I write some scripts. For me, that's perfect because I have everything I need and I can do everything.
  12. Try this code: *createmarkpanel elems 1 "Select Elem" foreach { x_min y_min z_min x_max y_max z_max } [hm_getboundingbox elems 1 0 0 0] {} puts "X= ( $x_min , $x_max )" puts "Y= ( $y_min , $y_max )" puts "Z= ( $z_min , $z_max )"
  13. Ah, that's a GOOD idea!
  14. For sure, I NEVER accept a HEXA model split from TET My principle is simple: good TET mesh is better than bad HEXA one
  15. .inp file is Simulia Abaqus's input data. So if you want to solve this input, you have to have Abaqus solver. Altair Hyperworks does not have Abaqus solver for you. However, you can try to import .inp within Hypermesh and export again to Optistruct or Radioss format to solve with Altair's solver. Personally I never do that. Please check your imported data carefully before exporting to Altair's solver. Good luck!
  16. 300 or 3000 nodes is the same method. Koga gives you already the ... code
  17. As you're speaking about Simsolid & Welds, for your information: here's my request to Altair dev team: Since release 2020, the reactions on weld are given in two surfaces of weld (see below picture): But when you compute the strength of weld, you work NEVER with these plans. So the correct way is giving the reactions on "throat plan" as old release: The best way is giving the users to control himself how he want get the reactions: on two faces or on throat plan.
  18. From point of view of security, this is NOT a good choice. If there're different materials, you have to choice the lower modulus for the weld.
  19. When you select elements (Shell) or Solid faces, try methode "by face"
  20. *createmark elements 1 "displayed" *createmark elements 2 *elementtestduplicates elements 1 2 1 set elist [hm_getmark elems 2] puts "Elems to delete: $elist"
  21. The equivalence function does not work with temp nodes, only with meshing nodes. But you can write a Tcl script to move your element nodes to temp nodes.
  22. Hypermesh is Open system (yes! that why I love it). All you need is to write a customized FE output template for your output. Have a look at the online help on this point.
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