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Re: [ff3d-users] Inner wall definitions

From: Stephane Del Pino
Subject: Re: [ff3d-users] Inner wall definitions
Date: Wed, 31 Jan 2007 22:37:38 +0100
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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);
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 

Concerning the size of the matrix, you can use the option
        solve(salt) in Omega by M

which is a bit slower but consumes much less memory.

Best regards,

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