Hi all, I have to solve a problem with the bilinear form similar to the following: a = ( v*u + dt*inner(grad(u),grad(v)) )*dx + ( v*dt*assemble(u*dx) )*dx The last term is essentially the product of the integral of u and the integral of test function v. Is it even possible to solve this in Firedrake? Best, Anna. On 14/08/15 15:43, Lawrence Mitchell wrote:
On 14 Aug 2015, at 11:55, Anna Kalogirou <a.kalogirou@leeds.ac.uk> wrote:
Hi,
I was planning to define the heavyside function as a DG0 function.
Any ideas about solving equation (1b), which contains a time-update for both a function and a scalar? I haven't been fully following along, but it looks like the formulation in (1f) introduces, effectively, a global coupling. Is that right? Assuming you didn't have any implementation constraints, how would you go about solving this?
Lawrence
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