def get_properties():
# build the lists of points, facets, holes and control points
points = request.json['points']
facets = request.json['facets']
holes = request.json['holes']
control_points = request.json['controls']
# create the custom geometry object
geometry = sections.CustomSection(points, facets, holes, control_points)
geometry.clean_geometry() # clean the geometry
# create the mesh - use a smaller refinement for the angle region
mesh = geometry.create_mesh(mesh_sizes=[0.0005, 0.001])
# create a CrossSection object
section = CrossSection(geometry, mesh)
# perform a geometric, warping and plastic analysis
section.calculate_geometric_properties()
section.calculate_warping_properties()
section.calculate_plastic_properties()
properties = section.display_results()
return jsonify({'properties': properties})
mesh = geometry.create_mesh(mesh_sizes=[5, 20])
# create a CrossSection object - take care to list the materials in the same order as entered into
# the MergedSection
section = CrossSection(geometry, mesh, materials=[steel, timber])
section.display_mesh_info() # display the mesh information
# plot the mesh with coloured materials and a line transparency of 0.5
section.plot_mesh(materials=True, alpha=0.5)
# perform a geometric, warping and plastic analysis
section.calculate_geometric_properties(time_info=True)
section.calculate_warping_properties(time_info=True)
section.calculate_plastic_properties(time_info=True, verbose=True)
# perform a stress analysis with N = 100 kN, Mxx = 120 kN.m and Vy = 75 kN
stress_post = section.calculate_stress(N=-100e3,
Mxx=-120e6,
Vy=-75e3,
time_info=True)
# print the results to the terminal
section.display_results()
# plot the centroids
section.plot_centroids()
stress_post.plot_stress_n_zz(pause=False) # plot the axial stress
stress_post.plot_stress_m_zz(pause=False) # plot the bending stress
stress_post.plot_stress_v_zxy() # plot the shear stress