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New Feature in MLEBNodeFDLaplacian: MultiFab sigma coefficient #3968

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merged 4 commits into from
Jul 23, 2024

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WeiqunZhang
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This adds a new feature in MLEBNodeFDLaplacian. The sigma coefficient can be a cell-centered MultiFab.

This adds a new feature in MLEBNodeFDLaplacian. The sigma coefficient can be
a cell-centered MultiFab.
@WeiqunZhang
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@roelof-groenewald Could you please try this?

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@WeiqunZhang I tested the new solver functionality through a (2d) simulation of the formation of a plasma sheath as described in the WarpX PR linked above. The results of the simulation match theory and expectation.
In the coming days I will also look at 3d problems but I'd say this PR can be merged already. If I discover any issues with the solver during further testing I will open new issues for those.

Thanks again for this valuable extension to the solver!

@WeiqunZhang WeiqunZhang marked this pull request as ready for review July 23, 2024 23:33
@WeiqunZhang WeiqunZhang merged commit 3cb7f15 into AMReX-Codes:development Jul 23, 2024
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@WeiqunZhang WeiqunZhang deleted the fdnd_sigma branch July 23, 2024 23:38
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3 participants