[Gmsh] Compound surfaces and lines

[Martin Kraska]

Hi Christophe,

Thanks again. The script even works without setting the max element size.
y
However, the problem of some of the midside nodes not obeying the geometric surface remains. Is there a way to get this right?

Martin

>> 
> 
> With the current compound implementation you will also need to define the
> surfaces that touch a compound line as compound. Here's the corrected script:
> 
> 
> Merge "part.step";
> 
> // Mesh control
> Mesh.ElementOrder=2;
> Mesh.CharacteristicLengthMax=10;
> Mesh.Optimize=1;
> // Display control
> Mesh.SurfaceEdges = 1;
> Mesh.SurfaceFaces = 0;
> Mesh.VolumeEdges = 1;
> Mesh.VolumeFaces = 0;
> 
> Compound Line(1000)={63,64};
> Compound Line(1001)={65,66};
> Compound Surface(30) = {23,25};
> Compound Surface(31) = {9,24,26};
> Compound Surface(32) = {21};
> Compound Surface(33) = {22};
> 
> Mesh 3;
> Physical Surface("support") = {5};
> Physical Surface("load") = {17};
> Physical Volume("part") = {1};
> Mesh.SaveGroupsOfNodes = 1;
> Save "gmsh.inp";
> 
> 
> 
>> The console complains about intersecting surfaces.
>> 
>> Also, switching on all geometry healing options and setting a high geometry
>> tolerance does not remove the small edges.
>> 
>> Martin
>> 
>>> 
>>>  1. Re: Gmsh crash (Christophe Geuzaine)
>>> 
>>> 
>>> ----------------------------------------------------------------------
>>> 
>>> Message: 1
>>> Date: Sat, 16 Jul 2016 22:44:23 +0200
>>> From: Christophe Geuzaine <cgeuzaine at ulg.ac.be>
>>> To: gmsh at onelab.info
>>> Subject: Re: [Gmsh] Gmsh crash
>>> Message-ID: <42CDB7BE-5537-4658-8DE2-B90A2D3C4B17 at ulg.ac.be>
>>> Content-Type: text/plain; charset=us-ascii
>>> 
>>> 
>>> Hi Martin,
>>> 
>>> Give 2.13.1 a try: the issue is that compounds cannot currently be meshed
>>> high-order (this will be supported with the new compound implementation in Gmsh
>>> 3.0); also, the error message was misleading.
>>> 
>>> Christophe
>>> 
>> <part.geo><part.step>_______________________________________________
>> gmsh mailing list
>> gmsh at onelab.info
>> http://onelab.info/mailman/listinfo/gmsh
> 
> --
> Prof. Christophe Geuzaine
> University of Liege, Electrical Engineering and Computer Science
> http://www.montefiore.ulg.ac.be/~geuzaine
> 
> Tetrahedron V, July 4-5 2016: http://tetrahedron.montefiore.ulg.ac.be
> Free software: http://gmsh.info | http://getdp.info | http://onelab.info
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