Esempio n. 1
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def test_example_07():
    from hermes2d.examples.c07 import set_bc, set_forms

    set_verbose(False)

    # The following parameters can be changed:
    P_INIT = 2             # Initial polynomial degree of all mesh elements.
    INIT_REF_NUM = 4       # Number of initial uniform refinements

    # Load the mesh
    mesh = Mesh()
    mesh.load(get_07_mesh())

    # Perform initial mesh refinements.
    for i in range(INIT_REF_NUM):
        mesh.refine_all_elements()

    # Create an H1 space with default shapeset
    space = H1Space(mesh, P_INIT)
    set_bc(space)

    # Initialize the weak formulation
    wf = WeakForm()
    set_forms(wf)

    # Initialize the linear system.
    ls = LinSystem(wf)
    ls.set_spaces(space)

    # Assemble and solve the matrix problem
    sln = Solution()
    ls.assemble()
    ls.solve_system(sln)
Esempio n. 2
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def test_example_07():
    from hermes2d.examples.c07 import set_bc, set_forms

    set_verbose(False)

    # The following parameters can be changed:
    P_INIT = 2  # Initial polynomial degree of all mesh elements.
    INIT_REF_NUM = 4  # Number of initial uniform refinements

    # Load the mesh
    mesh = Mesh()
    mesh.load(get_07_mesh())

    # Perform initial mesh refinements.
    for i in range(INIT_REF_NUM):
        mesh.refine_all_elements()

    # Create an H1 space with default shapeset
    space = H1Space(mesh, P_INIT)
    set_bc(space)

    # Initialize the weak formulation
    wf = WeakForm()
    set_forms(wf)

    # Initialize the linear system.
    ls = LinSystem(wf)
    ls.set_spaces(space)

    # Assemble and solve the matrix problem
    sln = Solution()
    ls.assemble()
    ls.solve_system(sln)
Esempio n. 3
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def test_example_07():
    from hermes2d.examples.c07 import set_bc, set_forms

    set_verbose(False)

    P_INIT = 2  # Initial polynomial degree of all mesh elements.

    mesh = Mesh()
    mesh.load(get_07_mesh())

    # Initialize the shapeset and the cache
    shapeset = H1Shapeset()
    pss = PrecalcShapeset(shapeset)

    # create finite element space
    space = H1Space(mesh, shapeset)
    space.set_uniform_order(P_INIT)
    set_bc(space)

    # Enumerate basis functions
    space.assign_dofs()

    # weak formulation
    wf = WeakForm(1)
    set_forms(wf)

    # matrix solver
    solver = DummySolver()

    # Solve the problem
    sln = Solution()
    ls = LinSystem(wf, solver)
    ls.set_spaces(space)
    ls.set_pss(pss)
    ls.assemble()
    ls.solve_system(sln)
Esempio n. 4
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# Import modules
from hermes2d import Mesh, MeshView, OrderView, H1Shapeset, PrecalcShapeset, H1Space, \
        LinSystem, WeakForm, DummySolver, Solution, ScalarView, VonMisesFilter, \
        OrderView

from hermes2d.examples.c07 import set_bc, set_forms
from hermes2d.examples import get_07_mesh

# The following parameters can be changed:
P_INIT = 2             # Initial polynomial degree of all mesh elements.
INIT_REF_NUM = 4       # Number of initial uniform refinements

# Load the mesh
mesh = Mesh()
mesh.load(get_07_mesh())

# Perform initial mesh refinements.
for i in range(INIT_REF_NUM):
    mesh.refine_all_elements()

# Create an H1 space with default shapeset
space = H1Space(mesh, P_INIT)
set_bc(space)

# Initialize the weak formulation
wf = WeakForm()
set_forms(wf)

# Initialize views
sview = ScalarView("Coarse solution", 0, 100, 798, 700)
Esempio n. 5
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# Import modules
from hermes2d import Mesh, MeshView, OrderView, H1Shapeset, PrecalcShapeset, H1Space, \
        LinSystem, WeakForm, DummySolver, Solution, ScalarView, VonMisesFilter, \
        OrderView

from hermes2d.examples.c07 import set_bc, set_forms
from hermes2d.examples import get_07_mesh

# The following parameters can be changed:
P_INIT = 2  # Initial polynomial degree of all mesh elements.
INIT_REF_NUM = 4  # Number of initial uniform refinements

# Load the mesh
mesh = Mesh()
mesh.load(get_07_mesh())

# Perform initial mesh refinements.
for i in range(INIT_REF_NUM):
    mesh.refine_all_elements()

# Create an H1 space with default shapeset
space = H1Space(mesh, P_INIT)
set_bc(space)

# Initialize the weak formulation
wf = WeakForm()
set_forms(wf)

# Initialize views
sview = ScalarView("Coarse solution", 0, 100, 798, 700)