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June 26, 2002, 15:14 |
catia mesh to fluent
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#1 |
Guest
Posts: n/a
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Hi,
Does anybody know is it possible to import mesh from Catia and use and analyze with Fluent. Thank you, Mrakan |
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June 28, 2002, 04:58 |
Re: catia mesh to fluent
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#2 |
Guest
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You probably have a catia model but not a mesh. There are several ways to deal with this but all require some additional software. It also depends on the kind of data you have in catia -- solids or surfaces .
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June 28, 2002, 08:06 |
Re: catia mesh to fluent
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#3 |
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Hi Joern,
My intention is to use fluent software for heat and flow analyzes. But I realized that something to be analyzed in fluent has to be input as a mesh. I have catia V5R6 P2. You mentioned additional software. What else I need. I don't use and don't know too much about catia, but if I need as input in fluent and if I have capabilities with V5R6 P2 catia , it is worth to study and learn catia. If I need additional software, please advice which one. I know that many programs are capable of doing mesh, but I have catia as one option. Thanks, Zoran |
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July 1, 2002, 05:47 |
Re: catia mesh to fluent
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#4 |
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Hello,
I'd sugest to export your catia model as a step or iges-file. You can import this into Gambit. Play with the import options to find how to import the geometry as cleen as possible. You chould do some cleaning of your model in Gambit. Afterwards you create your mesh in Gambit. Your Catia-model should be very clean. It really should be made for cfd-analysis. good luck Laika, still orbiting |
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July 25, 2002, 00:41 |
Re: catia mesh to fluent
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#5 |
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You will probably find that IGES is a very dirty method of translation and that STEP is not readable by a lot of meshing software.
Alternativel, CATIA can create meshes through its FEA facilities. It can also save nastran (.nas) and neutral (.out) or (.nut) files if I remember right. This is especially true for CATIA 4 and I would have thought that CATIA 5 did retain these capabilties if not added to them. If this was the case, then you can save as NASTRAN and read it into Tgrid to create Fluent's native (.msh) mesh file. If not, then yes, you will need another software to "translate=bridge" the data. Most things here include purchase of a different software like "ICEM CFD" which I find to be very useful here. These software can be expensive but there was once a software called Rhinosaurus or something of the kind that was available for free over the internet and did do data translation operations. Hope this helps. |
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June 18, 2014, 13:54 |
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#6 | |
New Member
AZ
Join Date: Jan 2014
Posts: 17
Rep Power: 12 |
Quote:
For Some reason after I imported my catia mesh into Tgrid and exported as .msh file for FLUENT to read it read an error..... please help on is there something wrong that i am doing here?? |
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September 28, 2016, 03:18 |
import mesh to FLUENT from CATIA
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#7 |
New Member
hamid_reza
Join Date: Dec 2013
Posts: 16
Rep Power: 12 |
hello friends,
for import mesh to fluent from catia you must doing below stage, 1- generate mesh at "advanced meshing tools" environment in catia software, 2- click on expot mesh icon in import/export tool bar, 3- select save as type "Bulk Data(*.dat)" and write a name in "File name" positon, 4- open fluent software and go to "import" in "file" at menu bar then select "NASTRAN" and then select "Bulkdata File...", 5- select previous exported file and open that, your mesh imported in fluent. 6- end. this method used in catia V5R20 and fluent 6.3, but i can not defined boundary condition, if you can, please write in cfd onlin. thank you. |
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