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add simplified outflow BC to PopIII #738

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BenWibking
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Description

This adds the simplified NSCBC outflow boundary to the PopIII problem. When the velocity is pointing inward, this boundary condition automatically switches to a diode boundary condition.

Related issues

Fixes #732.

Checklist

Before this pull request can be reviewed, all of these tasks should be completed. Denote completed tasks with an x inside the square brackets [ ] in the Markdown source below:

  • I have added a description (see above).
  • I have added a link to any related issues see (see above).
  • I have read the Contributing Guide.
  • I have added tests for any new physics that this PR adds to the code.
  • I have tested this PR on my local computer and all tests pass.
  • I have manually triggered the GPU tests with the magic comment /azp run.
  • I have requested a reviewer for this PR.

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sonarcloud bot commented Sep 6, 2024

@BenWibking
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/azp run

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Azure Pipelines successfully started running 2 pipeline(s).

@BenWibking
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There is no inflow, as expected, but the whole cloud flows out before any collapse happens:

newBC.mov

@psharda are we using the same ICs? I think either the box size is too small, or the cloud rotation is too high.

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Something is wrong here. Closing for now.

@BenWibking BenWibking closed this Sep 7, 2024
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PopIII sim needs diode boundary condition
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