mesh.load(get_cylinder_mesh()) #mesh.refine_element(0) #mesh.refine_all_elements() mesh.refine_towards_boundary(5, 3) shapeset = H1Shapeset() pss = PrecalcShapeset(shapeset) # create an H1 space xvel = H1Space(mesh, shapeset) yvel = H1Space(mesh, shapeset) press = H1Space(mesh, shapeset) xvel.set_uniform_order(2) yvel.set_uniform_order(2) press.set_uniform_order(1) set_bc(xvel, yvel, press) ndofs = 0 ndofs += xvel.assign_dofs(ndofs) ndofs += yvel.assign_dofs(ndofs) ndofs += press.assign_dofs(ndofs) xprev = Solution() yprev = Solution() xprev.set_zero(mesh) yprev.set_zero(mesh) # initialize the discrete problem wf = WeakForm(3) set_forms(wf, xprev, yprev)
from hermes2d.examples import get_sample_mesh # The following parameter can be changed: P_INIT = 4 # Load the mesh file mesh = Mesh() mesh.load(get_sample_mesh()) # Perform uniform mesh refinement mesh.refine_all_elements() # Create the x- and y- displacement space using the default H1 shapeset xdisp = H1Space(mesh, P_INIT) ydisp = H1Space(mesh, P_INIT) set_bc(xdisp, ydisp) # Initialize the weak formulation wf = WeakForm(2) set_forms(wf) # Initialize the linear system. ls = LinSystem(wf) ls.set_spaces(xdisp, ydisp) # Assemble and solve the matrix problem xsln = Solution() ysln = Solution() ls.assemble() ls.solve_system(xsln, ysln, lib="scipy")