File:Rotation-Precession-Nutation.gif
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Summary
| Description |
English: The dynamics of a rigid sphere can be surprisingly complicated. In fact, beside rotating around an axis, the sphere can also precede (i.e. the axis of rotation is itself rotating) and nutate (i.e. the axis of rotation oscillates back and forth). |
| Date | |
| Source | https://twitter.com/j_bertolotti/status/1187677396268453888 |
| Author | Jacopo Bertolotti |
| Permission (Reusing this file) |
https://twitter.com/j_bertolotti/status/1030470604418428929 |
Mathematica 11.0 code
p1 = Table[
Grid[{{
MapAt[GeometricTransformation[#, EulerMatrix[{0, 0.4, 2 t}]] &,
Show[
SphericalPlot3D[1, {\[Theta], 0, \[Pi]}, {\[Phi], 0, 2 \[Pi]}, Boxed -> False, Axes -> False],
Graphics3D[{Black, Thick, Line[{{0, 0, -1.3}, {0, 0, 1.3}}]}],
PlotRange -> {{-1.2, 1.2}, {-1.2, 1.2}, {-1.2, 1.2}},
PlotLabel -> "Rotation", LabelStyle -> {Black, Bold}
], {1}]
,
MapAt[GeometricTransformation[#, EulerMatrix[{t, 0.4, 2 t}]] &,
Show[
SphericalPlot3D[1, {\[Theta], 0, \[Pi]}, {\[Phi], 0, 2 \[Pi]}, Boxed -> False, Axes -> False],
Graphics3D[{Black, Thick,
Line[{{0, 0, -1.3}, {0, 0, 1.3}}]}],
PlotRange -> {{-1.2, 1.2}, {-1.2, 1.2}, {-1.2, 1.2}},
PlotLabel -> "Precession", LabelStyle -> {Black, Bold}
], {1}]
,
MapAt[
GeometricTransformation[#,
EulerMatrix[{t, 0.4 + 0.1 Sin[8 t], 2 t}]] &,
Show[
SphericalPlot3D[1, {\[Theta], 0, \[Pi]}, {\[Phi], 0, 2 \[Pi]}, Boxed -> False, Axes -> False],
Graphics3D[{Black, Thick,
Line[{{0, 0, -1.3}, {0, 0, 1.3}}]}],
PlotRange -> {{-1.2, 1.2}, {-1.2, 1.2}, {-1.2, 1.2}},
PlotLabel -> "Nutation", LabelStyle -> {Black, Bold}
], {1}]
}}]
, {t, 0, 2 \[Pi], (2 \[Pi])/100}];
ListAnimate[p1, {10}]
Licensing
I, the copyright holder of this work, hereby publish it under the following license:
 
|
This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication. |
| The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 12:52, 30 October 2019 | | 558 × 211 (2.09 MB) | Berto | User created page with UploadWizard |
File usage
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