Matthew Knepley <[email protected]> writes: > As a side note, I think using FV to solve an elliptic equation should be a > felony. Continuous FEM is excellent for this, whereas FV needs > a variety of twisted hacks and is always worse in terms of computation and > accuracy.
Unless you need exact (no discretization error) local conservation, e.g., for a projection in a staggered grid incompressible flow problem, in which case you can use either FV or mixed FEM (algebraically equivalent to FV in some cases).
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