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Re: [Getfem-users] Dirichlet and Neumann boundary conditions.
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From: |
yrenard |
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Subject: |
Re: [Getfem-users] Dirichlet and Neumann boundary conditions. |
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Date: |
Wed, 25 Jul 2007 14:58:47 +0200 |
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User-agent: |
Internet Messaging Program (IMP) 3.2.2 |
Quoting Richard George <address@hidden>:
> Hello
>
> Sorry to keep asking dumb questions -
>
> is it possible to specify Neuman boundary conditions on a scalar FEM
> using the gf_mdbrick construction?
> there's gf_mdbrick('dirichlet',....) to specify the value of the FEM on
> the boundary,
> what is the equivalent to specify the normal derivative?
A Neumann condition is considered as a boundary source term. You should use
gf_mdbrick('source term',....).
Yves.