Forum: Main CFD Forum
March 6, 2022, 23:34
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Replies: 2
Views: 1,241
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Forum: Main CFD Forum
November 16, 2021, 00:49
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Replies: 5
Views: 646
Gmsh seems to be best freely available grid...
Gmsh seems to be best freely available grid generator for unstructured grids, so having ability to read in gmsh format is good. It is easy to add other formats to read in, you will have to write your...
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Forum: Main CFD Forum
September 30, 2021, 07:51
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Replies: 2
Views: 420
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Forum: Main CFD Forum
September 30, 2021, 07:32
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Replies: 13
Views: 946
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Forum: Main CFD Forum
July 24, 2021, 03:05
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Replies: 5
Views: 574
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Forum: Main CFD Forum
June 28, 2021, 06:53
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Replies: 9
Views: 1,112
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Forum: OpenFOAM
June 10, 2021, 09:59
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Replies: 11
Views: 3,259
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Forum: Main CFD Forum
April 10, 2021, 03:26
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Replies: 33
Views: 1,903
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Forum: Main CFD Forum
April 10, 2021, 03:02
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Replies: 33
Views: 1,903
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Forum: Main CFD Forum
March 1, 2021, 03:57
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Replies: 9
Views: 824
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Forum: Main CFD Forum
February 25, 2021, 08:07
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Replies: 6
Views: 692
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Forum: Main CFD Forum
February 25, 2021, 02:32
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Replies: 6
Views: 692
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Forum: Main CFD Forum
January 26, 2021, 08:32
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Replies: 25
Views: 1,499
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Forum: Main CFD Forum
December 14, 2020, 03:06
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Replies: 6
Views: 962
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Forum: Main CFD Forum
November 10, 2020, 03:53
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Replies: 12
Views: 3,170
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Forum: Main CFD Forum
October 17, 2020, 01:35
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Replies: 19
Views: 1,468
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Forum: Main CFD Forum
April 4, 2020, 02:22
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Replies: 8
Views: 986
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Forum: Main CFD Forum
March 21, 2020, 02:16
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Replies: 4
Views: 651
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Forum: Main CFD Forum
March 18, 2020, 12:56
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Replies: 19
Views: 981
The formula in the paper is only exact for an...
The formula in the paper is only exact for an affine function of the form
a + b x + c y
So it is not based on Simpson. There are many possibilities and its not obvious what the authors have...
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Forum: Main CFD Forum
March 18, 2020, 10:03
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Replies: 19
Views: 981
The integral in the paper is over...
The integral in the paper is over [x_i-h/2,x_i+h/2] \times [y_j-h/2,y_j+h/2]. The answers given by other people here are taking the domain to be [x_i-h, x_i+h] \times [y_j-h,y_j+h]. Thats why you see...
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Forum: Main CFD Forum
March 14, 2020, 00:37
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Replies: 5
Views: 820
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Forum: Main CFD Forum
March 13, 2020, 23:53
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Replies: 5
Views: 820
Matlab is slow if you use loops. If you cast...
Matlab is slow if you use loops. If you cast everything as matrix-vector operations it can do better.
For CFD, Matlab is not so great, ok for some initial learning, but you soon reach its...
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Forum: Main CFD Forum
January 30, 2020, 01:21
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Replies: 23
Views: 2,953
If you reconstruct a unique value at each face...
If you reconstruct a unique value at each face (usually with a central stencil) then you use that to compute the flux. This would lead to central difference type schemes.
For convection dominated...
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Forum: Main CFD Forum
January 23, 2020, 03:02
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Replies: 20
Views: 2,974
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Forum: Main CFD Forum
January 23, 2020, 00:14
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Replies: 20
Views: 2,974
Slip bc means normal velocity is zero.
...
Slip bc means normal velocity is zero.
Symmetry bc means a lot more. You want to use symmetry conditions if your problem has some symmetry. E.g., if you want to solve flow around a cylinder,...
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