# solve a single domain problem

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 July 8, 2013, 11:36 solve a single domain problem #1 Senior Member   Vishal Nandigana Join Date: Mar 2009 Location: Champaign, Illinois, U.S.A Posts: 206 Rep Power: 9 Dear Foamers, I have mapped and meshed a user defined structure (generated as .stl file) inside my cylindrical geometry using SnappyHexMesh. I would like to know, if OpenFOAM describes the mapped geometry only as a boundary (or patch). Is it possible to define this structure as part of the internal domain. The reason I am asking this is because I would like to solve the following equation in the entire domain (both mapped geometry and the cylindrical domain) fvm::laplacian(eps_r(r),Phi(r)) == rho (r) where, eps_r is 80 when r != r_map (r is the mesh point location and r_map is the mesh point of the mapped structure) eps_r = 2 when r == r_map rho(r) = user defined input value depending on r Hence, I would like to know if we can define the entire system (mapped structure + cylindrical geometry) as a single domain so as to solve the problem in a single domain. Please let me know Thanks for the help. Regards, Vishal

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