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Divergent behavior of FastTetrahedralCorotationalForceField #4594

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ScheiklP opened this issue Mar 15, 2024 · 0 comments
Open

Divergent behavior of FastTetrahedralCorotationalForceField #4594

ScheiklP opened this issue Mar 15, 2024 · 0 comments
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issue: bug (minor) Bug affecting only some users or with no major impact on the framework

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@ScheiklP
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ScheiklP commented Mar 15, 2024 •
edited

Problem

With the same exact parameters, FastTetrahedralCorotationalForceField shows unstable behavior, compared to TetrahedralCorotationalFEMForceField.

Expected behavior
I would expect both components to show the same behavior, or at least to be stable.

Environment

Context

  • System: Ubuntu 23.10
  • Version of SOFA: v23.12
  • State: Release

TetrahedralCorotationalFEMForceField

FEM-2024-03-15_15.06.40.mp4

FastTetrahedralCorotationalForceField

FEM-2024-03-15_15.07.33.mp4

Object code: https://github.com/ScheiklP/sofa_env/blob/main/sofa_env/scenes/ligating_loop/sofa_objects/cavity.py#L197

Cheers,
Paul
@ScheiklP ScheiklP added the issue: bug (minor) Bug affecting only some users or with no major impact on the framework label Mar 15, 2024
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