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From: | Emilio Melero García |
Subject: | Re: [ff3d-users] Inner wall definitions |
Date: | Thu, 1 Feb 2007 13:38:03 +0100 |
Hello.
If I understand your problem: you think that the domain geometry is not
correctly described.
I think that the description is correct: you are using a fictitious domain
approximation. This means that the mesh does not fit the geometry. In fact
the tetrahedrization show all tetrahedra that *intersect* the domain. If you
want to see the effective boundary of the discretization use the instructions
mesh smesh = surface(Omega,M);
save(medit,"surface",smesh);
you will then be able to ensure that the geometry is correct.
I am sorry but I just noticed that there is a bug concerning the surface mesh
generation from the 1.0-pre9 release, so use your 1.0-pre7 to build this
mesh.
Concerning the size of the matrix, you can use the option
solve(salt) in Omega by M
memory(matrix=none)
{
which is a bit slower but consumes much less memory.
Best regards,
Stéphane.
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