Hi, I am wondering where is the link for 4.3.2 (or even 4.3.1) here: http://download.gna.org/getfem/stable/
I can only see the tarball for 4.3. Am I missing something? Best regards Kostas On Sun, Feb 22, 2015 at 5:54 PM, Dominique Fratantonio < [email protected]> wrote: > Hi, > > I'm using getfem-4.3.2 and I am having some problem with the > function 'add_normal_Dirichlet_condition_with_penalization'. > Here an extract of how I am implementing it: > > > //--------------------------------------------------------------------------------------------------------------------------------------------------// > > // Main unknown of the problem: > model.add_fem_variable("u", mf_u); > > // Viscous term > // Linearized elasticity brick: > model.add_initialized_fixed_size_data("lambda", plain_vector(1, 0.0)); > // Second viscosity coefficient > model.add_initialized_fixed_size_data("nu", plain_vector(1, 1/(pd.Re))); > getfem::add_isotropic_linearized_elasticity_brick(model, mim, "u", > "lambda", "nu"); > > // Incompressible constraint > // p used as Lagrange multiplier, but it doesn't need to be > // add_multiplier as for the Dirichlet boundary conditions > // Linearized incompressibility condition brick: > model.add_fem_variable("p", mf_p); > getfem::add_linear_incompressibility(model, mim, "u", "p"); > > // Dirichlet condition on inflow: > std::vector<scalar_type> F(mf_u.nb_dof()); > gmm::clear(F); > getfem::interpolation_function(mf_u, F, u_exact); > model.add_initialized_fem_data("InflowData", mf_u, F); > > if (PENALIZATION_INFLOW && act_DNS) { > // With penalization > scalar_type dirichlet_coefficient_inflow = 1e8; > > > getfem::add_Dirichlet_condition_with_penalization(model,mim,"u",dirichlet_coefficient_inflow,INFLOW_BOUNDARY_NUM,"InflowData"); > } else { > // With multipliers > model.add_multiplier("Inflow", mf_mult_inflow, "u", mim, > INFLOW_BOUNDARY_NUM); > getfem::add_Dirichlet_condition_with_multipliers(model, mim, > "u","Inflow",INFLOW_BOUNDARY_NUM,"InflowData"); > } > > // Dirichlet condition on cylinder: > bgeot::base_vector no_penetration(1); no_penetration[0]=0; > model.add_initialized_fixed_size_data("CylinderData",no_penetration); > > if (PENALIZATION_CYL && act_DNS) { > // With penalization > scalar_type dirichlet_coefficient_cyl = 1e8; > > > getfem::add_normal_Dirichlet_condition_with_penalization(model,mim,"u",dirichlet_coefficient_cyl,CYLINDER_BOUNDARY_NUM,"CylinderData"); > } else { > // With multipliers > model.add_multiplier("Cylinder", mf_mult_cyl, "u", mim, > CYLINDER_BOUNDARY_NUM); > > > getfem::add_normal_Dirichlet_condition_with_multipliers(model,mim,"u","Cylinder",CYLINDER_BOUNDARY_NUM,"CylinderData"); > } > > // Build matrices > model.assembly(getfem::model::BUILD_ALL); > > > //------------------------------------------------------------------------------------------------------------------------------------------------------// > > In the above extract of the code, everything works fine except when I try > to use 'add_normal_Dirichlet_condition_with_penalization'. > The similar function 'add_Dirichlet_condition_with_penalization' works > fine as well. > Altought I succeed in compiling the code, when > 'add_normal_Dirichlet_condition_with_penalization' runs, I obtain the > following error: > > > //------------------------------------------------------------------------------------------------------------------------------------------------------// > > Trace 2 in getfem_models.cc, line 5667: Stiffness matrix assembly for > isotropic linearized elasticity > Trace 2 in getfem_models.cc, line 5931: Stokes term assembly > Trace 2 in getfem_models.cc, line 3157: Mass term assembly for Dirichlet > condition > Trace 2 in getfem_models.cc, line 3201: Source term assembly for Dirichlet > condition > Trace 2 in getfem_models.cc, line 3157: Mass term assembly for Dirichlet > condition > ============================================ > | An error has been detected !!! | > ============================================ > Error in getfem_assembling_tensors.cc, line 488 : > Non matrix field > > > //------------------------------------------------------------------------------------------------------------------------------------------------------// > > I really do not understand how to fix this problem and what it means. > > Thank you in advance. > Cheers. > > > > > _______________________________________________ > Getfem-users mailing list > [email protected] > https://mail.gna.org/listinfo/getfem-users > >
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