[Proof of Concept] Solution and performance comparison with DualSPHysics#1114

Draft

efaulhaber wants to merge 27 commits intotrixi-framework:mainfrom

efaulhaber:dualsphysics-comparison

Commits on Jan 13, 2026

add sorting callback
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fix typo
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apply formatter
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move inactive particles to end
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add show
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gpu compatible
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Commits on Mar 9, 2026

Merge branch 'main' into sorting-callback
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sort by `cell_coords`
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Commits on Mar 18, 2026

Merge branch 'main' into sorting-callback
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implement suggestions
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Commits on Mar 19, 2026

Merge branch 'main' into sorting-callback
efaulhaber
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add docs
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implement suggestions
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rm dt
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add optional initial sort
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fix
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add comment
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implement suggestions
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Implement comparison with DualSPHysics
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Fix example file
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Fix example
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Update
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Add benchmark numbers
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Commits on Mar 20, 2026

Use regular smoothing kernel implementation with div_fast
efaulhaber
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Commits on Mar 23, 2026

Commits on Apr 1, 2026

Fix zero distance
efaulhaber
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