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Add reference states for the Stable Neo-Hookean inverted-tetrahedra scene - #142

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lililii124 wants to merge 2 commits into
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lililii124:fix/6220-stable-neohookean-regression
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lililii124 wants to merge 2 commits into
sofa-framework:masterfrom
lililii124:fix/6220-stable-neohookean-regression

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@lililii124

@lililii124 lililii124 commented Oct 10, 2026 •

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Related to sofa-framework/sofa#6220.

This PR contains the marker and 100-frame reference generated for the inverted Stable Neo-Hookean example at dt=5e-5 with UniformMass totalMass=1.0.

The SOFA reviewers requested keeping this scene outside the state regression suite for now because of its behavior. The companion SOFA PR therefore no longer registers this scene, and these references are not currently required by that PR. They are retained here for future consideration.

The reference was generated with SOFA's native WriteState on Windows in double precision. Repeating CompareState reported zero error. The upstream Regression_test executable and cross-platform CI were not exercised.

Companion SOFA PR: sofa-framework/sofa#6377.

AI assistance was used for implementation, tests and validation.

@hugtalbot

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Dear @lililii124,

Thank you again for your valuable contribution. As noted in #6377 in SOFA, ChangeLog and regression should be removed from the diff. This PR can therefore be closed.

We thank you though for your effort.
We would love to welcome you at the occasion of the SOFA Week 2026

@hugtalbot hugtalbot closed this Nov 5, 2026
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