Line Loop asks for elementary Ids, you are providing the id of elements. Actually, your msh files does not describe elementary lines :-/
the expression-list on the right hand side should contain the identification numbers of all the elementary lines that constitute the line loop. 2015-06-01 13:50 GMT+02:00 Balemans, C. <[email protected]>: > Dear all, > > > > I’m trying to generate a simple 1st-order 2D mesh using the following > geo-file: > > ------------------------------------------------------- > > Merge “geometry.msh”; > > Line Loop(5) = {1,2,3,4}; > > Plane Surface(1) = {5}; > > ------------------------------------------------------- > > > > In the msh-file (geometry.msh) the outer lines of the geometry (a square) > are given: > > ------------------------------------------------------- > > $MeshFormat > > 2.2 0 8 > > $EndMeshFormat > > $Nodes > > 8 > > 1 0.00000000E+00 0.00000000E+00 0.00000000E+00 > > 2 5.00000000E-01 0.00000000E+00 0.00000000E+00 > > 3 1.00000000E+00 0.00000000E+00 0.00000000E+00 > > 4 0.00000000E+00 5.00000000E-01 0.00000000E+00 > > 5 1.00000000E+00 5.00000000E-01 0.00000000E+00 > > 6 0.00000000E+00 1.00000000E+00 0.00000000E+00 > > 7 5.00000000E-01 1.00000000E+00 0.00000000E+00 > > 8 1.00000000E+00 1.00000000E+00 0.00000000E+00 > > $EndNodes > > $Elements > > 8 > > 1 1 2 0 1 1 2 > > 2 1 2 0 1 2 3 > > 3 1 2 0 2 3 5 > > 4 1 2 0 2 5 8 > > 5 1 2 0 3 8 7 > > 6 1 2 0 3 7 6 > > 7 1 2 0 4 6 4 > > 8 1 2 0 4 4 1 > > $EndElements > > ------------------------------------------------------- > > > > When I try to execute the code, the error ‘The 1D mesh seems not to be > forming a closed loop’ occurs. Does anybody have an idea what could be > the issue? > > Thanks in advance! > > > > Kind regards, > > Caroline > > > > _______________________________________________ > gmsh mailing list > [email protected] > http://www.geuz.org/mailman/listinfo/gmsh > > -- Docteur Ingénieur de recherche CeMoSiS <http://www.cemosis.fr> - [email protected] Tel: +33 (0)3 68 8*5 02 06* IRMA - 7, rue René Descartes 67 000 Strasbourg
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