User contributions for Joel2

3 July 2024

• 15:0915:09, 3 July 2024 diff hist 0 N File:ProjectedOrbitsFlipped2.png No edit summary current
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• 15:0315:03, 3 July 2024 diff hist 0 N File:TypeI b1.25c470B.png No edit summary current
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• 14:5814:58, 3 July 2024 diff hist +70,977 N ThreeDimensionalConfigurations/RiemannTypeI Created page with "__FORCETOC__ <!-- will force the creation of a Table of Contents --> <!-- __NOTOC__ will force TOC off --> =Riemann Type 1 Ellipsoids= {| class="RiemannType1" style="float:left; margin-right: 20px; border-style: solid; border-width: 3px border-color: black" |- ! style="height: 125px; width: 125px; background-color:#ffeeee;" |<b>Type I<br />Riemann<br />Ellipsoids</b> |}  <br />  <br />  <br />  <b..."
• 14:5414:54, 3 July 2024 diff hist 0 N File:EulerAnglesExample02.jpeg No edit summary current
• 14:3714:37, 3 July 2024 diff hist +16 Appendix/Mathematics/EulerAngles →A Sequence of Rotations current
• 14:3614:36, 3 July 2024 diff hist +21 N File:BerciuFig2cCorrect.png Renamed current
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• 14:3414:34, 3 July 2024 diff hist +21 N File:BerciuFig2aCorrect.png Renamed current
• 14:2914:29, 3 July 2024 diff hist 0 Appendix/Mathematics/EulerAngles →A Sequence of Rotations
• 14:2614:26, 3 July 2024 diff hist 0 N File:BirciuFig2c.png No edit summary current
• 14:2614:26, 3 July 2024 diff hist 0 N File:BirciuFig2bAgain.png No edit summary current
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• 14:1314:13, 3 July 2024 diff hist +54,332 N Appendix/Mathematics/EulerAngles Created page with "__FORCETOC__ <!-- __NOTOC__ will force TOC off --> =Euler Angles</font>= Here we will follow quite closely the [https://phas.ubc.ca/~berciu/TEACHING/PHYS206/LECTURES/FILES/euler.pdf online class notes] prepared by [https://phas.ubc.ca/~berciu/ Professor Mona Berciu], Department of Physics & Astronomy, University of British Columbia. ==Basic Relations== In terms of the (black) unit vectors of the <math>(X, Y, Z)</math> Cartesian coordinate system shown in the left..."
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• 13:2813:28, 3 July 2024 diff hist 0 N File:BerciuFig1bAgain.png No edit summary current

2 July 2024

• 21:0221:02, 2 July 2024 diff hist 0 N File:BerciuFig1b.png No edit summary current
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• 20:5820:58, 2 July 2024 diff hist +76,609 N 3Dconfigurations/RiemannEllipsoids Created page with "__FORCETOC__ <!-- __NOTOC__ will force TOC off --> =Riemann (1826 - 1866)= ==Background== Excerpt from p. 539 of R. Baker, C. Christenson & H. Orde (2004): <table border="0" width="90%" align="center"><tr><td align="left"> <font color="darkgreen">"Newton first showed that the departure of the figure of the earth from a sphere is due to its rotation. Jacobi showed in 1834 that gravitational equilibrium of a rotating spheroid is consistent with three distinct axes..." current
• 20:4720:47, 2 July 2024 diff hist +7,069 N Appendix/Ramblings/RiemannB28C256 Created page with "__FORCETOC__ <!-- will force the creation of a Table of Contents --> <!-- __NOTOC__ will force TOC off --> =Another S-type Example b28c256= This chapter is an extension of the chapter we have titled, "Riemann Meets COLLADA & Oculus Rift S." In that chapter we used as our first example of a Riemann S-type ellipsoid the model with parameters, <b>(b/a, c/a) = (0.41, 0.385)</b>. Here we construct a model wi..." current
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• 20:4320:43, 2 July 2024 diff hist +644,912 N Appendix/Ramblings/RiemannB90C333 Created page with "__FORCETOC__ <!-- will force the creation of a Table of Contents --> <!-- __NOTOC__ will force TOC off --> =Another S-type Example b90c333= This chapter is an extension of the chapter we have titled, "Riemann Meets COLLADA & Oculus Rift S." In that chapter we used as our first example of a Riemann S-type ellipsoid the model with parameters, <b>(b/a, c/a) = (0.41, 0.385)</b>. Here we construct a model wi..." current
• 20:4220:42, 2 July 2024 diff hist 0 N File:COLLADAb90c333NewModel.png No edit summary current
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• 20:0420:04, 2 July 2024 diff hist +2 Appendix/Ramblings/VirtualReality →Equivalent Matrix Instructions current
• 20:0020:00, 2 July 2024 diff hist +1 Appendix/Ramblings/VirtualReality →Explicit Specification of Translate and Rotate Instructions
• 19:5819:58, 2 July 2024 diff hist +12 Appendix/Ramblings/VirtualReality →Implementing the Raw COLLADA Code
• 19:5319:53, 2 July 2024 diff hist +167,175 N Appendix/Ramblings/VirtualReality Created page with "__FORCETOC__ <!-- __NOTOC__ will force TOC off --> =Virtual Reality and 3D Printing= [Circa August 2019] I am once again considering whether steady improvements in certain digital technologies over the past half-a-dozen years can be straightforwardly called upon to display to a broad audience the three-dimensional characteristics of rapidly rotating fluid systems. Two specific technologies come to mind: (1) 3D printing; and (2) XR (virtual reality). A cursory online..."