User:Tohline/Appendix/Ramblings

Ramblings

Sometimes I explore some ideas to a sufficient depth that it seems worthwhile for me to archive the technical derivations even if the idea itself does not immediately produce a publishable result. This page, which has a simple outline layout, provides links to these various pages of technical notes.

1. Relationship between HNM82 models and T1 coordinates
2. Orthogonal Curvilinear Coordinates
3. Playing with the Spherical Wave Equation
4. Analyzing Azimuthal Distortions
   1. Summary for Hadley & Imamura
   2. Detailed Notes   🎦
   3. Supplementary database generated by the Hadley & Imamura collaboration
   4. Large supplementary dataset accumulated by the Hadley & Imamura collaboration
   5. YouTube videos that supplement simulations of J. W. Woodward, J. E. Tohline, & I. Hachisu (1994)
   6. Stability Analyses of PP Tori
   7. Stability Analyses of PP Tori (Part 2)
5. Integrals of Motion
1. Old discussion
2. T3 Coordinates
1. Special (quadratic) case: Joel's Derivation vs. Jay's Derivation
3. Killing Vector Approach; Jay Call's related Talk page
4. Characteristic Vector for T3 Coordinates
5. T4 Coordinates (Abandoned by Joel 7/6/2010 because non-orthogonal)
6. Marcello's Radiation-Hydro Simulations
1. Determining Code Units
2. Summary of Scalings
3. Initial Temperature Distributions
7. Photosphere of Stably Accreting DWD
8. Binary Polytropes
9. Initial Effort to Explain Jay Call's Hybrid Scheme in the Context of Zach Byerly's Dissertation
10. Exploring the Properties of Radial Oscillations in Pressure-Truncated n = 5 Polytropes
11. Instabilities Associated with Equilibrium Sequence Turning Points
12. Derivations Related to Ledoux's Variational Principle
13. More on Zero-Zero Bipolytropes
1. Pt 1: Radial Oscillations of a Zero-Zero-Bipolytrope (Early Flawed Summary)
2. Pt 2: Details
3. Pt 3: Searching for Additional Eigenvectors
4. Pt 4: Good Summary
5. Numerically Determined Eigenvectors
14. Analyzing Five-One Bipolytropes
1. Assessing the Stability of Spherical, BiPolytropic Configurations
2. Searching for Analytic EigenVector for (5,1) Bipolytropes
3. Discussing Patrick Motl's 2019 Simulations
4. Continue Search
15. On the Origin of Planetary Nebulae (Investigation Resulting from a July, 2013 Discussion with Kundan Kadam)</lli>
16. Looking outward, from Inside a Black Hole
17. Radial Dependence of the Strong Nuclear Force
18. Dyson (1893a) Part I:  Some Details
19. Radiation-Hydrodynamics
20. Saturn
21. Doctoral students Tohline has advised over the years

Mathematics

1. Roots of Cubic Equation
1. PP Tori — Also includes cube root of a complex number
2. Srivastava's F-Type solution for <math>~n=5</math> polytropes.
3. Murphy & Fiedler's Bipolytrope with <math>~(n_c, n_e) = (1,5)</math>
4. Analytic Eigenfunctions for Bipolytropes with <math>~(n_c, n_e) = (0, 0)</math> — also involves cube root of a complex number
2. Roots of Quartic Equation
1. Analytic Eigenfunction for Bipolytropes with <math>~(n_c, n_e) = (0, 0)</math>
2. Determine temperature from total pressure
3. Singular Sturm-Liouville (eigenvalue) Problem
1. Oscillations of PP Tori in the slim torus limit
2. Characteristics of unstable eigenvectors in self-gravitating tori
4. Approximate Power-Series Expressions
5. Fourier Series
6. Special Functions & Other Broadly Used Representations
1. Spherical Harmonics and Associated Legendre Functions
2. Multipole Expansions
3. Familiar Expression for the Cylindrical Green's Function Expansion
4. Toroidal Functions
7. Green's Function in terms of Toroidal Functions
1. Compact Cylindrical Green Function
2. Toroidal configurations & related coordinate systems — Includes EUREKA! moment; also uses wikitable overflow (scrolling) box
3. Toroidal Coordinate Integration Limits <math>~\Leftarrow ~~</math> Includes Table of Example K(k) and E(k) Function Values
4. Using Toroidal Coordinates to Determine the Gravitational Potential (Initial Presentation)
5. Relationships between Toroidal Functions <math>~\Leftarrow ~~</math> 5 plots of [MF53] data included here
6. Confusion Regarding Whipple Formulae
7. Pulling It All Together <math>~\Leftarrow ~~</math> 2 additional plots of [MF53] data included here

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Computer-Generated Holography

Computer Generated Holgram (Fall 2004) in collaboration with Richard Muffoletto and others from utsouthwestern.edu as cited

0. Lead in …
1. Original Table of Contents
2. Preface
1. Apertures that are Parallel to the Image Screen:
1. One-dimensional Aperture
2. Two-dimensional, Rectangular Aperture
3. Relevance to Holograms
4. Caution and Words of Wisdom
2. Apertures that are Tilted with Respect to the Image Screen:
3. Building Holograms from VRML Files:
4. Embracing COLLADA (2020)
1. Principal Illustration
2. Demonstration Steps
5. Quantum Mechanics
• What is Real?
• Speculation Regarding Quantum Transitions

 

© 2014 - 2021 by Joel E. Tohline |   H_Book Home   |   YouTube   | Appendices: | Equations | Variables | References | Ramblings | Images | myphys.lsu | ADS | Recommended citation:   Tohline, Joel E. (2021), The Structure, Stability, & Dynamics of Self-Gravitating Fluids, a (MediaWiki-based) Vistrails.org publication, https://www.vistrails.org/index.php/User:Tohline/citation