Polyhedral in parallel

drdr18 · April 2, 2009, 19:32

Hi , everybody.

I have seeking information about polyhedral meshes. But I was not find it. Could tell me someone if it is possible generate polyhedral meshes in parallel??? Or what is the best way to generate a big model in polyhedral mesh??

Thank you

panda · April 2, 2009, 20:22

I think you must generate a tetrahedra mesh first then convert it into a polyhedra mesh, and if the mesh size is very large you may need a large memory size to handle the conversion.

drdr18 · April 2, 2009, 21:54

Yes, I know all the process for generating the polyhedral mesh. What I want to know is the process to generate amodel in a parallel way, if it is possible!!!! So , if I have a large model how I can convert it to polyhedral in parallel.

panda · April 2, 2009, 23:58

I don't think Gambit can generate a mesh in a parallel way, but you can try to see if your conversion can be done in Fluent's parallel mode.

drdr18 · April 3, 2009, 00:31

I did the tetrahedral mesh in tgrid, after i export the mesh to fluent 6.3.33, and I tried to convert it in a polyhedrical mesh. all above i tried to do it in a parallel way but it does not work, it fails. So in a only processor fluent cannot do it because the memory is out. that is the reason why i'm asking about the converting to polyhedrical mesh in parallel.

Allan Walsh · April 3, 2009, 18:56

This may not help you, but the Fluent 6.3 polyhedral converter seems to have issues. The one in Fluent 12 beta works better, and was able to convert a mesh that 6.3 couldn't on the same machine.
At least in Win-dos, there are some standalone utilities for working with or converting to polyhedral meshes. Perhaps, your friendly Ansys rep. could help you with those.

April 2, 2009, 19:32	Polyhedral in parallel	#1
drdr18 New Member diego flores Join Date: Apr 2009 Posts: 8 Rep Power: 17	Hi , everybody. I have seeking information about polyhedral meshes. But I was not find it. Could tell me someone if it is possible generate polyhedral meshes in parallel??? Or what is the best way to generate a big model in polyhedral mesh?? Thank you

April 2, 2009, 21:54	Polyhedral Mesh	#3
drdr18 New Member diego flores Join Date: Apr 2009 Posts: 8 Rep Power: 17	Yes, I know all the process for generating the polyhedral mesh. What I want to know is the process to generate amodel in a parallel way, if it is possible!!!! So , if I have a large model how I can convert it to polyhedral in parallel.

April 3, 2009, 00:31	Polyhedral mesh	#5
drdr18 New Member diego flores Join Date: Apr 2009 Posts: 8 Rep Power: 17	I did the tetrahedral mesh in tgrid, after i export the mesh to fluent 6.3.33, and I tried to convert it in a polyhedrical mesh. all above i tried to do it in a parallel way but it does not work, it fails. So in a only processor fluent cannot do it because the memory is out. that is the reason why i'm asking about the converting to polyhedrical mesh in parallel.

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April 2, 2009, 20:22		#2
panda Member Join Date: Mar 2009 Posts: 35 Rep Power: 17	I think you must generate a tetrahedra mesh first then convert it into a polyhedra mesh, and if the mesh size is very large you may need a large memory size to handle the conversion.

April 2, 2009, 23:58		#4
panda Member Join Date: Mar 2009 Posts: 35 Rep Power: 17	I don't think Gambit can generate a mesh in a parallel way, but you can try to see if your conversion can be done in Fluent's parallel mode.

April 3, 2009, 18:56		#6
Allan Walsh Member Allan Walsh Join Date: Mar 2009 Posts: 56 Rep Power: 17	This may not help you, but the Fluent 6.3 polyhedral converter seems to have issues. The one in Fluent 12 beta works better, and was able to convert a mesh that 6.3 couldn't on the same machine. At least in Win-dos, there are some standalone utilities for working with or converting to polyhedral meshes. Perhaps, your friendly Ansys rep. could help you with those.