Hello, I’m working with an internal boundary integration as the right side of a variational system: V = FunctionSpace(mesh, 'CG', 1) n = FacetNormal(mesh) S = 2.0*mu*inner(e(u),e(u)) + lmbda*div(u)**2 theta,xi = [TrialFunction(V), TestFunction(V)] left_side = assemble((inner(grad(theta),grad…

Discontinuous type Argument must be restricted

nate July 9, 2021, 6:29pm 2

If you make this a MWE, we can help debug it.

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