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Remove ngsPETSc test that causes issue. #3794

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Oct 10, 2024
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Remove ngsPETSc test that causes issue. #3794

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22 changes: 0 additions & 22 deletions tests/regression/test_netgen.py
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Original file line number Diff line number Diff line change
Expand Up @@ -387,25 +387,3 @@ def adapt(mesh, eta):
dofs.append(uh.function_space().dim())
mesh = adapt(mesh, eta)
assert error_estimators[-1] < 0.05


@pytest.mark.parallel
@pytest.mark.skipcomplex
def test_alfeld_stokes_netgen():
ngmesh = square_geometry(0.75)
labels = [i+1 for i, name in enumerate(ngmesh.GetRegionNames(codim=1)) if name == "rect"]
msh = Mesh(ngmesh, netgen_flags={"split": "Alfeld"})
V = VectorFunctionSpace(msh, "CG", 2)
Q = FunctionSpace(msh, "DG", 1)
W = V*Q
u, p = TrialFunctions(W)
v, q = TestFunctions(W)
x, y = SpatialCoordinate(msh)
f = assemble(interpolate(as_vector([sin(x)*sin(y), sin(x)*sin(y)]), V))
a = (inner(grad(u), grad(v)) - div(u)*q - div(v)*p)*dx
l = inner(f, v) * dx
w = Function(W)
bc = DirichletBC(W.sub(0), as_vector([0, 0]), labels)
solve(a == l, w, bcs=bc)
u = w.split()[0]
assert assemble(div(u)*div(u)*dx) < 1e-16
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