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Volume mesh for Fluent.. Hypermesh or TGrid??

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Old   June 17, 2010, 07:47
Question Volume mesh for Fluent.. Hypermesh or TGrid??
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Hello Everyone.

I am trying to do an In-Cylinder combustion of a single cylinder engine.

I already have a 3D CATIA model and would like to mesh it. I am thinking of using Hypermesh for doing the surface meshing.

I read in some forums that I have to do surface meshing using Hypermesh. Then export this file to TGrid for Volume meshing... Then export it to Fluent for simulation.

I would like to know which is the best way to perform a volume mesh? Does Hypermesh give an equally good volume mesh as TGrid? Is there any better way to perform a Volume mesh?

Please help me with this problem. Any suggestion will be highly helpful for me.

Thanks a lot
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Old   June 17, 2010, 08:17
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Use Gambit and after that try to convert the mesh in Fluent to polyhedral mesh... but be aware that initial meshing in GAMBIT is important...
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Old   June 18, 2010, 10:29
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Thanks Philipov

I have heard that Gambit is not that good a tool for 3D meshing. Is it right?

Some people have suggested me to use Hypermesh over Gambit as it provides a much better user interface and much more powerful tools for 3D meshing. Is it right?
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Old   June 20, 2010, 09:09
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Originally Posted by mayur View Post
Thanks Philipov

I have heard that Gambit is not that good a tool for 3D meshing. Is it right?

Some people have suggested me to use Hypermesh over Gambit as it provides a much better user interface and much more powerful tools for 3D meshing. Is it right?

Gambit is the best among all the meshing programs, when you are integrated user, and know what to do, and how to do in faster way.

Just knowing manual is enough. (manual is very short wrt to other programs manuals)
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Old   June 24, 2010, 03:20
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Quote:
Originally Posted by mayur View Post
Hello Everyone.

I am trying to do an In-Cylinder combustion of a single cylinder engine.

I already have a 3D CATIA model and would like to mesh it. I am thinking of using Hypermesh for doing the surface meshing.

I read in some forums that I have to do surface meshing using Hypermesh. Then export this file to TGrid for Volume meshing... Then export it to Fluent for simulation.

I would like to know which is the best way to perform a volume mesh? Does Hypermesh give an equally good volume mesh as TGrid? Is there any better way to perform a Volume mesh?

Please help me with this problem. Any suggestion will be highly helpful for me.

Thanks a lot
Hi Mayur,
I've been using hypermesh for generating volume models (tet-mesh) & directly import it to fluent..Hypermesh generates vol mesh automatically without any troubles onces you have created closed 2D model for it to perform the function & also hypermesh has many options to control the generation the tet grid...i found it very convienient..
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Old   June 25, 2010, 01:45
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Quote:
Originally Posted by mayur View Post
I have heard that Gambit is not that good a tool for 3D meshing. Is it right?

Some people have suggested me to use Hypermesh over Gambit as it provides a much better user interface and much more powerful tools for 3D meshing. Is it right?
Make your own opinion about Gambit.
As soon as you will "master" the software a little bit, then you will be able to mesh what you want.
My opinion: great software!
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