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New thorn CactusExamples/Poisson
Issue #1682
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I suggest to include the thorn CactusExamples/Poisson into the Einstein Toolkit. This thorn solves the Poisson equation, i.e. an elliptic equation, using the TATelliptic interface. A sample parameter file uses PETSc as back-end (via the generic TATelliptic interface).
Pull request at https://bitbucket.org/cactuscode/cactusexamples/pull-request/1/new-example-thorn-poisson-for-tatelliptic/diff.
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reporter
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The thorn does not contain a testsuite. Would this be feasible, even (or maybe especially) for an example thorn? This connects to the example parameter file, so please see below:
The example parameter file (as advertised) needs PETSc. This is not a big problem, as all required thorns are in the ET, but we have to remember that these are disabled for 'regular' installations.
Speaking of the example parameter file: the output contains nans in the residuum, in particular in the boundary zones - but these spoils the reduction values too.
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Could we have a little bit of documentation?
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Done. And done.
Added to Einstein Toolkit.
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