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[Fix] Nonlinear Naghdi demo #25

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[Fix] Nonlinear Naghdi demo #25

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14 changes: 7 additions & 7 deletions demo/demo_nonlinear-naghdi-clamped-semicylinder.py
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Original file line number Diff line number Diff line change
Expand Up @@ -455,7 +455,7 @@ def gamma(F, d):
# Calculate the factor alpha as a function of the mesh size h
h = ufl.CellDiameter(mesh)
alpha_FS = functionspace(mesh, element("DG", cell, 0))
alpha_expr = Expression(t**2 / h**2, alpha_FS.element.interpolation_points)
alpha_expr = Expression(t**2 / h**2, alpha_FS.element.interpolation_points())
alpha = Function(alpha_FS)
alpha.interpolate(alpha_expr)

Expand Down Expand Up @@ -614,11 +614,11 @@ def F(self, x: PETSc.Vec, b: PETSc.Vec) -> None:
# Add point source
if len(self.cells) > 0:
for cell, basis_value in zip(self.cells, self.basis_values):
dofs = self.function_space.sub(0).sub(2).dofmap.cell_dofs(cell)
with b.localForm() as b_local:
b_local.setValuesLocal(
dofs, basis_value * self.PS, addv=PETSc.InsertMode.ADD_VALUES
)
ldofs = self.function_space.sub(0).sub(2).dofmap.cell_dofs(cell)
idxmap = self.function_space.sub(0).sub(2).dofmap.index_map
gdofs = idxmap.local_to_global(ldofs).astype(PETSc.IntType)
b.setValues(gdofs, basis_value * self.PS, addv=PETSc.InsertMode.ADD_VALUES)
b.assemblyBegin(); b.assemblyEnd()

apply_lifting(b, [self._a], bcs=[self.bcs], x0=[x], alpha=-1.0)
b.ghostUpdate(addv=PETSc.InsertMode.ADD, mode=PETSc.ScatterMode.REVERSE)
Expand Down Expand Up @@ -693,7 +693,7 @@ def F(self, x: PETSc.Vec, b: PETSc.Vec) -> None:

# Interpolate phi in the [P2]³ Space
phi_FS = functionspace(mesh, blocked_element(P2, shape=(3,)))
phi_expr = Expression(phi0_ufl + u_P2B3, phi_FS.element.interpolation_points)
phi_expr = Expression(phi0_ufl + u_P2B3, phi_FS.element.interpolation_points())
phi_func = Function(phi_FS)
phi_func.interpolate(phi_expr)

Expand Down
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