[Gmsh] gmsh Digest, Vol 169, Issue 25
benjamin JEANTY-RUARD
ruard at artenum.com
Mon Feb 20 15:27:36 CET 2017
Dear Johannes ACKVA,
If I well understand, your .med file is a mesh.
Besides, it seems Gmsh can not edit a mesh file or can not convert from
a mesh file to a geometry .geo file.
A solution could be to convert your .med file to .msh file. Then, you
can use the "Mesh To Geo" open source software to convert the from
the .msh file to .geo file. You can download this application on the
following web page (1) after a free registration on the following web
page (2). This registration will give you a login and a password to
download the "MeshToGeo" application
(2) registration web page:
http://dev.artenum.com/projects/MeshToGeo/registration
(1) download web page:
http://dev.artenum.com/projects/MeshToGeo/download
You will be able to edit the geo file and create a volume and finally
generate a volume mesh. To finish, thanks to Gmsh, you can save the 3D
mesh file in .med file.
So if I summarize:
.med mesh file-> .msh mesh file-> .geo geometric file-> manual
edition->.geo geometric file-> volume mesh->.med volume mesh
You can find in attachement a sample of these operations with the
following workflow:
test3.med mesh file-> testMesh.msh mesh file generated by Gmsh->
test.geo geometric file generated by "MeshToGeo" application-> manual
edition->testMeshModified.geo geometric file-> volume mesh->.med volume
mesh generated by Gmsh
Regards,
Benjamin Jeanty-Ruard
On Mon, 2017-02-20 at 14:13 +0100,
gmsh-request at ace20.montefiore.ulg.ac.be wrote:
> Message: 3
> Date: Mon, 20 Feb 2017 12:36:56 +0100
> From: Johannes_ACKVA <johannes.ackva at code-aster.de>
> To: gmsh at geuz.org
> Subject: [Gmsh] how fill a 2D-mesh with 3D-elements calling GMSH from
> the shell
> Message-ID: <816b4e5e-230f-3470-2c40-d6b8a2c22313 at code-aster.de>
> Content-Type: text/plain; charset=utf-8
>
> hello
>
> how can I fill a closed hull of 2D-elements with 3D-elements, by
> calling
> GMSH from the shell?
>
> I tried this:
>
>
> > gmsh MeshTria_2D.med -3 -o quark.med
>
> Info : Running '/opt/gmsh-2.13.1-Linux/bin/gmsh MeshTria_2D.med -3
> -o
> quark.med' [Gmsh 2.13.1, 1 node, max. 1 thread]
> Info : Started on Mon Feb 20 09:20:03 2017
> Info : Reading 'MeshTria_2D.med'...
> Info : Reading MED file V3.2.0 using MED library V3.2.0
> Info : Reading 3-D unstructured mesh <<MeshTria_2D>>
> Info : Done reading 'MeshTria_2D.med'
> Info : Finalized high order topology of periodic connections
> Info : Meshing 1D...
> Info : Done meshing 1D (8e-06 s)
> Info : Meshing 2D...
> Info : Done meshing 2D (6.91414e-06 s)
> Info : Meshing 3D...
> Info : Done meshing 3D (5e-06 s)
> Info : 8 vertices 24 elements
> Info : Writing 'quark.med'...
> Info : Done writing 'quark.med'
> Info : Stopped on Mon Feb 20 09:20:03 2017
>
> but the resulting mesh does not contain any 3D-elements, it is identic
> to the input mesh.
>
> Moreover, I discovered that after loading the 2D-mesh
> (MeshTria_2D.med)
> into the GUI, the button "3D" in "Mesh" does not create any
> 3D-elements.
> I fear that a geometry is needed. Or is there a manner to create a
> volume mesh from a 2D-mesh?
>
> Many thanks for your help,
>
> Johannes_ACKVA
--
Benjamin JEANTY-RUARD
--------------------
Artenum Toulouse - Science & Groupware
http://www.artenum.com
Bâtiment Calfocenter
10, rue Marguerite Long
31320 Castanet-Tolosan
France
Phone: +33 (0)5 82 95 51 97
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Point (1) = {-10.0, 10.0, 10.0, 1.0};
Point (2) = {10.0, 10.0, 10.0, 1.0};
Point (3) = {10.0, -10.0, 10.0, 1.0};
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Point (6) = {-10.0, 10.0, -10.0, 1.0};
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Point (8) = {-10.0, -10.0, 10.0, 1.0};
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Point (10) = {-4.285714149475098, 10.0, 10.0, 1.0};
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Point (42) = {1.4285714626312256, -10.0, 10.0, 1.0};
Point (43) = {4.285714149475098, -10.0, 10.0, 1.0};
Point (44) = {7.142857074737549, -10.0, 10.0, 1.0};
Point (45) = {10.0, -7.142857074737549, 10.0, 1.0};
Point (46) = {10.0, -4.285714149475098, 10.0, 1.0};
Point (47) = {10.0, -1.4285714626312256, 10.0, 1.0};
Point (48) = {10.0, 1.4285714626312256, 10.0, 1.0};
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Point (61) = {4.285714149475098, -10.0, -10.0, 1.0};
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Point (63) = {10.0, -10.0, -7.142857074737549, 1.0};
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Point (65) = {10.0, -10.0, -1.4285714626312256, 1.0};
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Line (80) = {76, 77};
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Line (82) = {78, 79};
Line (83) = {79, 80};
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Physical Line(0) = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84};
-------------- next part --------------
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-------------- next part --------------
cl__1 = 1;
Point(1) = {-10, 10, 10, 1};
Point(2) = {10, 10, 10, 1};
Point(3) = {10, -10, 10, 1};
Point(4) = {10, -10, -10, 1};
Point(5) = {10, 10, -10, 1};
Point(6) = {-10, 10, -10, 1};
Point(7) = {-10, -10, -10, 1};
Point(8) = {-10, -10, 10, 1};
Point(9) = {-7.142857074737549, 10, 10, 1};
Point(10) = {-4.285714149475098, 10, 10, 1};
Point(11) = {-1.428571462631226, 10, 10, 1};
Point(12) = {1.428571462631226, 10, 10, 1};
Point(13) = {4.285714149475098, 10, 10, 1};
Point(14) = {7.142857074737549, 10, 10, 1};
Point(15) = {10, 10, 7.142857074737549, 1};
Point(16) = {10, 10, 4.285714149475098, 1};
Point(17) = {10, 10, 1.428571462631226, 1};
Point(18) = {10, 10, -1.428571462631226, 1};
Point(19) = {10, 10, -4.285714149475098, 1};
Point(20) = {10, 10, -7.142857074737549, 1};
Point(21) = {7.142857074737549, 10, -10, 1};
Point(22) = {4.285714149475098, 10, -10, 1};
Point(23) = {1.428571462631226, 10, -10, 1};
Point(24) = {-1.428571462631226, 10, -10, 1};
Point(25) = {-4.285714149475098, 10, -10, 1};
Point(26) = {-7.142857074737549, 10, -10, 1};
Point(27) = {-10, 10, -7.142857074737549, 1};
Point(28) = {-10, 10, -4.285714149475098, 1};
Point(29) = {-10, 10, -1.428571462631226, 1};
Point(30) = {-10, 10, 1.428571462631226, 1};
Point(31) = {-10, 10, 4.285714149475098, 1};
Point(32) = {-10, 10, 7.142857074737549, 1};
Point(33) = {-10, 7.142857074737549, 10, 1};
Point(34) = {-10, 4.285714149475098, 10, 1};
Point(35) = {-10, 1.428571462631226, 10, 1};
Point(36) = {-10, -1.428571462631226, 10, 1};
Point(37) = {-10, -4.285714149475098, 10, 1};
Point(38) = {-10, -7.142857074737549, 10, 1};
Point(39) = {-7.142857074737549, -10, 10, 1};
Point(40) = {-4.285714149475098, -10, 10, 1};
Point(41) = {-1.428571462631226, -10, 10, 1};
Point(42) = {1.428571462631226, -10, 10, 1};
Point(43) = {4.285714149475098, -10, 10, 1};
Point(44) = {7.142857074737549, -10, 10, 1};
Point(45) = {10, -7.142857074737549, 10, 1};
Point(46) = {10, -4.285714149475098, 10, 1};
Point(47) = {10, -1.428571462631226, 10, 1};
Point(48) = {10, 1.428571462631226, 10, 1};
Point(49) = {10, 4.285714149475098, 10, 1};
Point(50) = {10, 7.142857074737549, 10, 1};
Point(51) = {-10, -10, 7.142857074737549, 1};
Point(52) = {-10, -10, 4.285714149475098, 1};
Point(53) = {-10, -10, 1.428571462631226, 1};
Point(54) = {-10, -10, -1.428571462631226, 1};
Point(55) = {-10, -10, -4.285714149475098, 1};
Point(56) = {-10, -10, -7.142857074737549, 1};
Point(57) = {-7.142857074737549, -10, -10, 1};
Point(58) = {-4.285714149475098, -10, -10, 1};
Point(59) = {-1.428571462631226, -10, -10, 1};
Point(60) = {1.428571462631226, -10, -10, 1};
Point(61) = {4.285714149475098, -10, -10, 1};
Point(62) = {7.142857074737549, -10, -10, 1};
Point(63) = {10, -10, -7.142857074737549, 1};
Point(64) = {10, -10, -4.285714149475098, 1};
Point(65) = {10, -10, -1.428571462631226, 1};
Point(66) = {10, -10, 1.428571462631226, 1};
Point(67) = {10, -10, 4.285714149475098, 1};
Point(68) = {10, -10, 7.142857074737549, 1};
Point(69) = {10, -7.142857074737549, -10, 1};
Point(70) = {10, -4.285714149475098, -10, 1};
Point(71) = {10, -1.428571462631226, -10, 1};
Point(72) = {10, 1.428571462631226, -10, 1};
Point(73) = {10, 4.285714149475098, -10, 1};
Point(74) = {10, 7.142857074737549, -10, 1};
Point(75) = {-10, -7.142857074737549, -10, 1};
Point(76) = {-10, -4.285714149475098, -10, 1};
Point(77) = {-10, -1.428571462631226, -10, 1};
Point(78) = {-10, 1.428571462631226, -10, 1};
Point(79) = {-10, 4.285714149475098, -10, 1};
Point(80) = {-10, 7.142857074737549, -10, 1};
Line(1) = {1, 9};
Line(2) = {9, 10};
Line(3) = {10, 11};
Line(4) = {11, 12};
Line(5) = {12, 13};
Line(6) = {13, 14};
Line(7) = {14, 2};
Line(8) = {2, 15};
Line(9) = {15, 16};
Line(10) = {16, 17};
Line(11) = {17, 18};
Line(12) = {18, 19};
Line(13) = {19, 20};
Line(14) = {20, 5};
Line(15) = {5, 21};
Line(16) = {21, 22};
Line(17) = {22, 23};
Line(18) = {23, 24};
Line(19) = {24, 25};
Line(20) = {25, 26};
Line(21) = {26, 6};
Line(22) = {6, 27};
Line(23) = {27, 28};
Line(24) = {28, 29};
Line(25) = {29, 30};
Line(26) = {30, 31};
Line(27) = {31, 32};
Line(28) = {32, 1};
Line(29) = {1, 33};
Line(30) = {33, 34};
Line(31) = {34, 35};
Line(32) = {35, 36};
Line(33) = {36, 37};
Line(34) = {37, 38};
Line(35) = {38, 8};
Line(36) = {8, 39};
Line(37) = {39, 40};
Line(38) = {40, 41};
Line(39) = {41, 42};
Line(40) = {42, 43};
Line(41) = {43, 44};
Line(42) = {44, 3};
Line(43) = {3, 45};
Line(44) = {45, 46};
Line(45) = {46, 47};
Line(46) = {47, 48};
Line(47) = {48, 49};
Line(48) = {49, 50};
Line(49) = {50, 2};
Line(50) = {8, 51};
Line(51) = {51, 52};
Line(52) = {52, 53};
Line(53) = {53, 54};
Line(54) = {54, 55};
Line(55) = {55, 56};
Line(56) = {56, 7};
Line(57) = {7, 57};
Line(58) = {57, 58};
Line(59) = {58, 59};
Line(60) = {59, 60};
Line(61) = {60, 61};
Line(62) = {61, 62};
Line(63) = {62, 4};
Line(64) = {4, 63};
Line(65) = {63, 64};
Line(66) = {64, 65};
Line(67) = {65, 66};
Line(68) = {66, 67};
Line(69) = {67, 68};
Line(70) = {68, 3};
Line(71) = {4, 69};
Line(72) = {69, 70};
Line(73) = {70, 71};
Line(74) = {71, 72};
Line(75) = {72, 73};
Line(76) = {73, 74};
Line(77) = {74, 5};
Line(78) = {7, 75};
Line(79) = {75, 76};
Line(80) = {76, 77};
Line(81) = {77, 78};
Line(82) = {78, 79};
Line(83) = {79, 80};
Line(84) = {80, 6};
Line Loop(86) = {1, 2, 3, 4, 5, 6, 7, -49, -48, -47, -46, -45, -44, -43, -42, -41, -40, -39, -38, -37, -36, -35, -34, -33, -32, -31, -30, -29};
Plane Surface(86) = {86};
Line Loop(88) = {28, 29, 30, 31, 32, 33, 34, 35, 50, 51, 52, 53, 54, 55, 56, 78, 79, 80, 81, 82, 83, 84, 22, 23, 24, 25, 26, 27};
Plane Surface(88) = {88};
Line Loop(90) = {58, 59, 60, 61, 62, 63, 71, 72, 73, 74, 75, 76, 77, 15, 16, 17, 18, 19, 20, 21, -84, -83, -82, -81, -80, -79, -78, 57};
Plane Surface(90) = {90};
Line Loop(92) = {75, 76, 77, -14, -13, -12, -11, -10, -9, -8, -49, -48, -47, -46, -45, -44, -43, -70, -69, -68, -67, -66, -65, -64, 71, 72, 73, 74};
Plane Surface(92) = {92};
Line Loop(94) = {11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
Plane Surface(94) = {94};
Line Loop(96) = {59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, -42, -41, -40, -39, -38, -37, -36, 50, 51, 52, 53, 54, 55, 56, 57, 58};
Plane Surface(96) = {96};
Surface Loop(98) = {88, 94, 92, 90, 96, 86};
Volume(98) = {98};
Physical Point(0) = {1, 2, 3, 4, 5, 6, 7, 8};
Physical Line(0) = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84};
Physical Surface(99) = {94};
Physical Surface(100) = {88};
Physical Surface(101) = {96, 86, 92, 90};
Physical Volume(102) = {98};
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