Allow use of SUPG for mixed function spaces #579
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tommbendall
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Nov 26, 2024
| self.wrapper.setup(field_name) | ||
| new_test = self.wrapper.test | ||
| self.residual = self.residual.label_map( | ||
| lambda t: t.get(prognostic) == field_name and t.has_label(transport), |
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can we change this so that we are testing whether the label is not time_derivative? I think it's better if the time discretisation to not know what terms it contains
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If we apply it to the momentum eq, then it will try to replace the test function for all terms with u in, which will be problematic..
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Currently SUPG does not work for mixed function spaces. Here I have allowed for the altering of multiple test functions.
Note that MixedFSWrapper is not used, as altering a single test function in the tuple of test functions for a MixedFunctionSpace was difficult to do.
There is scope in future to not use SUPG as a wrapper, but this is not addressed in this pull request.
