hex mesh for irregular bones
Altair EmployeeHi,
I wonder if someone can help me understand how to mesh the attached object in hex only please.
I'm using hypermesh 13.0
Thank you
Answers
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I think best way is to manually split the solid to regular shapes and mesh (or use solid map)
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it's pretty complicated. Also in solidmap the one volume option does not work
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It's not simple to make Hexa-only mesh. That needs alot of technique & time.
But I think GDTech's team could do that, of course, via a commercial contract :-)
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I have managed these so far but struggling to get the whole thing to mesh. Any suggestions please?
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Sometimes I get error message:
Non-mappable(1) along-faces form 0 loops. need 1.
Any idea what this means?
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I think your splits are not mappable
my strategy is like this (sorry it's not completed
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Thanks but I'm not sure what you did. Would you explain please?
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Is it possible to create a mixture of penta and hex elements? How please?
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From point of view of mapping method, if your starting 2D mesh is quad only you got hex only 3D mesh. If your starting is mixte mesh (quad+tria) you got mixte hexa-penta 3D mesh.
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do you think I can you a morphing approach for this geometry to get hex mesh?
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I dont think that morphing will yield desired output.By the way did you try with shrinkwrap.PFA Hm file with Shrink wrap hex mesh.
<?xml version="1.0" encoding="UTF-8"?>
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I have hypermesh 13. Any chance you can import it to this version please?
Thank you
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PFA hm file for 13.0 version.
<?xml version="1.0" encoding="UTF-8"?>
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Did you do just a normal shrinkwrap without specifying features or did you do a surface quad mesh first then shrink wrap?
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For shrinkwrap there is no need of surface mesh.Just select component & set solid elements with lesser jacobian.I tried with 5 mm element size with .3 jacobian. So its a few click meshing process.
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Is there a better way I can do this so that I can get good element quality because my model will involve other parts in contact.
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try tetra mesh, then shiftF6 split it into hexas
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It's quite a quick way but the jacobians for all elements become negative. Any ways to fix this please?
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If you like 'Splitting' method, you have to accept some 'not-so-good' quality.
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Altair Forum User said:
I think your splits are not mappable
my strategy is like this (sorry it's not completed
Hello Tinh,
I am running into an issue hex meshing a muscle STL. I was wondering how you drew the outlines that separated the solid object into multiple sub-components which could then be meshed. In the example you provided, only one of these components is hex meshed and this looks like the process I need to follow to fix my problem. I am new to HyperMesh, so any advise you could provide would be of great help.
Thank you,
Jack
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Because you are new to hypermesh, i suggest you join altair training courses
I dont know how it can be done, 3d work is not easy, just try and error
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