Hi everyone

Fisrt, I want to thank you for libmesh: it looks powerful!!!

I am new in libmesh use. I am trying to solve Helmoltz equation in a 2D
random media. The media is composed of an uniform background where several
holes of different nature are present: coefficients of Helmoltz equation
change if I am in  hole or in background.

I have done my variational formulation in the Garlekin way. Now I am trying
to use libmesh to implement my problem.

First I wonder how  I can define my media (create the associated .xca file)
Second I wonder how tell libmesh it has to take into account two different
cases (inside and outside holes).

I have trying to implement ex7 to solve Helmoltz equation on a 2D uniform
media for the moment. UnfortunatelyI can't build the libmesh library under
--enable-complex and I can't understand why.

Best regards
-- 

----------------------------------------------------------
Nicolas Bachelard
PhD student at ESPCI Paristech
10 rue Vauquelin 75231 Paris
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