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CyprienBosserelle avatar CyprienBosserelle commented on July 28, 2024

I tested the kurganov damping briefly (f6ed4c9) and got unsatisfying results...
Need to look at this again in the future also need to chaeck why Basilisk never implemented the damping corresction

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CyprienBosserelle avatar CyprienBosserelle commented on July 28, 2024

Alternatively the correction could be applied only to output for a particular function. However that will not resolve the issue that the spurious velocity lead to tiny time step. Maybe it need to be applied only when calculating dt...

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CyprienBosserelle avatar CyprienBosserelle commented on July 28, 2024

Also need to try to apply the correction only when calculating dt. the suprious velocity could also be filtered out in a post processing. may be the best of both world here

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CyprienBosserelle avatar CyprienBosserelle commented on July 28, 2024

This paper proposes a solution that is accurate in 1D and may work OK in 2D.
https://www.sciencedirect.com/science/article/pii/S0309170818305335

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CyprienBosserelle avatar CyprienBosserelle commented on July 28, 2024

The Buttinger solver fixes some of these issues

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