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August 12, 2005, 07:10
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i have use the example grid fo
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Senior Member
p ding
Join Date: Mar 2009
Posts: 436
Rep Power: 20    |
i have use the example grid for compuation.
but i want to compute a problem of my own, need i to write the whole dictionaly by hand? regards |
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August 12, 2005, 11:07
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HI, ztdep,
You have to modi
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Senior Member
Pei-Ying Hsieh
Join Date: Mar 2009
Posts: 317
Rep Power: 19 |
HI, ztdep,
You have to modify blockMeshDict to build your gemoetry and mesh it. Or, you can use netgen to generate Tet mesh of your model (it reads stl/step/igs files). pei |
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August 12, 2005, 23:13
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but i was a very complex gemoe
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Senior Member
p ding
Join Date: Mar 2009
Posts: 436
Rep Power: 20 |
but i was a very complex gemoetry ,
it was a heat exchanger. what should i do . |
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August 12, 2005, 23:25
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Hello ztdep,
you can generate
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Senior Member
Alberto Passalacqua
Join Date: Mar 2009
Location: Ames, Iowa, United States
Posts: 1,912
Rep Power: 37 |
Hello ztdep,
you can generate the grid in a CAD/Mesh genearation tool. You can convert from the formats reported here: http://www.opencfd.co.uk/openfoam/do...l#x15-920003.6 Regards, Alberto
__________________
Alberto Passalacqua GeekoCFD - A free distribution based on openSUSE 64 bit with CFD tools, including OpenFOAM. Available as in both physical and virtual formats (current status: http://albertopassalacqua.com/?p=1541) OpenQBMM - An open-source implementation of quadrature-based moment methods. To obtain more accurate answers, please specify the version of OpenFOAM you are using. 
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August 15, 2005, 00:54
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i use the gridgen to generate
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Senior Member
p ding
Join Date: Mar 2009
Posts: 436
Rep Power: 20 |
i use the gridgen to generate my grid system,
what should i do next step! regards! |
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August 15, 2005, 11:02
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HI, ztdep,
Save the mesh/BC
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#6 |
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Senior Member
Pei-Ying Hsieh
Join Date: Mar 2009
Posts: 317
Rep Power: 19 |
HI, ztdep,
Save the mesh/BCs to Fluent/CFX/Star-CD format. Then use OpenFOAM conversion utility (check user manual) to convert it to OpenFOAM format. then, you can run the solver. pei |
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August 16, 2005, 21:55
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is it nessaray to save the BC
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Senior Member
p ding
Join Date: Mar 2009
Posts: 436
Rep Power: 20 |
is it nessaray to save the BC for Fluent,
regards |
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August 16, 2005, 22:21
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Yes, in GAMBIT, set the bounda
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#8 |
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Senior Member
Alberto Passalacqua
Join Date: Mar 2009
Location: Ames, Iowa, United States
Posts: 1,912
Rep Power: 37 |
Yes, in GAMBIT, set the boundary conditions.
However, when imported in OpenFOAM, you'll have to set them again. The converter keeps the BC's names, but not their type. Regards, Alberto
__________________
Alberto Passalacqua GeekoCFD - A free distribution based on openSUSE 64 bit with CFD tools, including OpenFOAM. Available as in both physical and virtual formats (current status: http://albertopassalacqua.com/?p=1541) OpenQBMM - An open-source implementation of quadrature-based moment methods. To obtain more accurate answers, please specify the version of OpenFOAM you are using.
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