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The Poinsot Construction is the fundamental visualization of torque-free motion of rigid bodies. Per Goldstein: "the polehode rolls without slipping on the herpolhode lying in the invariable plane."
The methods included here allow for the exploration of torque-free, rigid body motion through the constructions of the kinetic energy and inertia ellipsoids (Binet construction and Poinsot construction).
Script binet_construction generates a (static) kinetic energy ellipsoid. Script poinsot_construction generates an animation of the Poinsot construction in the inertial and body-fixed frames.
See headers of individual files for more details on additional functionality.
Citation pour cette source
Dmitry Savransky (2026). Poinsot Construction (https://fr.mathworks.com/matlabcentral/fileexchange/61433-poinsot-construction), MATLAB Central File Exchange. Extrait(e) le .
Informations générales
- Version 2.0.0.0 (9,79 ko)
Compatibilité avec les versions de MATLAB
- Compatible avec les versions R2016b et ultérieures
Plateformes compatibles
- Windows
- macOS
- Linux
| Version | Publié le | Notes de version | Action |
|---|---|---|---|
| 2.0.0.0 | As noted in previous discussion the original version of this code had multiple errors and the animation was not quite correct. The new code fixes these. |
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| 1.2.0.0 | okay - guess mathworks doesn't like tar.gz. replacing with zip. |
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| 1.1.0.0 | adding icon |
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| 1.0.0.0 |
