################################################### ### Simple linear-elastic cantilever beam ### ################################################### mesh_file = amfe_dir('meshes/gmsh/simple_beam_gmsh/simple_beam_gmsh.msh') mesh = ui.import_mesh_from_file(mesh_file) model = ui.create_structural_component(mesh) material = ui.create_material('Kirchhoff', E=210E9, nu=0.3, rho=1E4, plane_stress=True) ui.assign_material_by_group(model, material, 'material') ui.set_dirichlet_by_group(model, 'dirichlet', ('ux'), 'Dirichlet_x') ui.set_dirichlet_by_nodeids(model, [1], ('uy'), 'Dirichlet_y') F = constant_force(5E7) ui.set_neumann_by_group(model, 'neumann', np.array([0.0, -1.0]), 'Load', F) solution_writer = ui.solve_linear_static(model) ui.write_results_to_paraview(solution_writer, model, amfe_dir('results/gmsh/ui_example_beam_linear')) ################################################### ### Nonlinear heterogeneous cantilever beam ### ###################################################
of ``surface2partition`` to ``True`` when reading the mesh. """ # Reading the .msh file and defining a structural component reader = GmshAsciiMeshReader(input_file) converter = AmfeMeshConverter() reader.parse(converter, surface2partition=True) my_mesh = converter.return_mesh() my_component = StructuralComponent(my_mesh) """ We proceed by assigning the material properties and mapping the global degrees of freedom for the Dirichlet boundary conditions. """ # Assigning material properties on physical group called "material" ui.assign_material_by_group(my_component, my_material, 'material') # Mapping the degrees of freedom for nodes belonging to the physical group called "dirichlet" glo_dofs_x = my_component.mapping.get_dofs_by_nodeids( my_component.mesh.get_nodeids_by_groups(['dirichlet']), 'ux') glo_dofs_y = my_component.mapping.get_dofs_by_nodeids( my_component.mesh.get_nodeids_by_groups(['dirichlet']), 'uy') glo_dofs_z = my_component.mapping.get_dofs_by_nodeids( my_component.mesh.get_nodeids_by_groups(['dirichlet']), 'uz') my_composite = MeshComponentComposite(my_component) """ We define a structural composite object with the help of the tree builder that manages the substructures and the connections between them. """