[Gmsh] Error intersection volumes in 3D Gmsh

David Colignon David.Colignon at ulg.ac.be
Thu Sep 23 09:12:08 CEST 2010


Hi Juliana,

there is no command to calculate the intersection of two volumes, you must define the intersection yourself in the .geo 
file...

Regards,

Dave

-- 
David Colignon, Ph.D.
Collaborateur Logistique du F.R.S.-FNRS
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On 22/09/10 21:37, Juliana wrote:
> hi,
>
> I have a problem can not generate meshes in 3D
> using Delaunay.
> I would like to know the command to make the intersections of volumes.
> the program is:
>
> Point(1) = {0, 0, 0, 0.1};
> Point(2) = {2, 0, 0, 0.1};
> Point(3) = {-2, 0, 0, 0.1};
> Point(4) = {0, 2, 0, 0.1};
> Point(5) = {0, -2, 0, 0.1};
> Point(6) = {2, 0, 6, 0.1};
> Point(7) = {0, 0, 6, 0.1};
> Point(8) = {-2, 0, 6, 0.1};
> Point(9) = {0, 2, 6, 0.1};
> Point(21) = {0, -2, 6, 0.1};
> Point(22) = {-4, 4, 0, 0.1};
> Point(23) = {-4, -4, 0, 0.1};
> Point(24) = {4, 4, 3, 0.1};
> Point(25) = {4, -4, 3, 0.1};
> Point(26) = {-4, 4, 6, 0.1};
> Point(27) = {-4, -4, 6, 0.1};
> Point(28) = {4, 4, 6, 0.1};
> Point(29) = {4, -4, 6, 0.1};
> Ellipse(1) = {2, 1, 3, 4};
> Ellipse(2) = {3, 1, 2, 4};
> Ellipse(3) = {3, 1, 2, 5};
> Ellipse(4) = {2, 1, 3, 5};
> Ellipse(8) = {6, 7, 8, 9};
> Ellipse(9) = {9, 7, 6, 8};
> Ellipse(10) = {8, 7, 6, 21};
> Ellipse(11) = {21, 7, 8, 6};
> Line(13) = {2, 6};
> Line(14) = {4, 9};
> Line(18) = {3, 8};
> Line(22) = {5, 21};
> Line(29) = {24, 25};
> Line(30) = {25, 23};
> Line(31) = {23, 22};
> Line(32) = {22, 24};
> Line(33) = {29, 27};
> Line(34) = {27, 26};
> Line(35) = {26, 28};
> Line(36) = {28, 29};
> Line(37) = {28, 24};
> Line(38) = {29, 25};
> Line(39) = {27, 23};
> Line(40) = {26, 22};
> Line Loop(6) = {1, -2, 3, -4};
> Plane Surface(6) = {6};
> Line Loop(15) = {1, 14, -8, -13};
> Ruled Surface(15) = {15};
> Line Loop(19) = {-2, 18, -9, -14};
> Ruled Surface(19) = {19};
> Line Loop(23) = {3, 22, -10, -18};
> Ruled Surface(23) = {23};
> Line Loop(27) = {-4, 13, -11, -22};
> Ruled Surface(27) = {27};
> Line Loop(28) = {8, 9, 10, 11};
> Plane Surface(28) = {28};
> Line Loop(42) = {30, -39, -33, 38};
> Plane Surface(42) = {42};
> Line Loop(44) = {31, -40, -34, 39};
> Plane Surface(44) = {44};
> Line Loop(46) = {32, -37, -35, 40};
> Plane Surface(46) = {46};
> Line Loop(48) = {36, 38, -29, -37};
> Plane Surface(48) = {48};
> Line Loop(51) = {35, 36, 33, 34, -8, -11, -10, -9};
> Plane Surface(51) = {51};
> Line Loop(53) = {29, 30, 31, 32};
> Plane Surface(53) = {53};
> Surface Loop(56) = {53, 48, 51, 46, 44, 42, 28};
> Volume(56) = {56};
> Surface Loop(58) = {15, 6, 19, 23, 27, 28};
> Volume(58) = {58};
> Physical Volume(59) = {56};
>
> thank you.
>
>
>
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