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Context
Principal Governing Equations (PGEs) |
Continuity | Euler | 1st Law of Thermodynamics |
Poisson |
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Equation of State (EOS) |
Total Pressure |
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Spherically Symmetric Configurations
One-Dimensional PGEs |
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Equilibrium Structures
Hydrostatic Balance Equation |
Solution Strategies |
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Isothermal Sphere |
via Direct Numerical Integration |
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Isolated Polytropes |
Known Analytic Solutions |
via Direct Numerical Integration |
via Self-Consistent Field (SCF) Technique |
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Zero-Temperature White Dwarf |
Chandrasekhar Limiting Mass |
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Pressure-Truncated Configurations |
Bonnor-Ebert (Isothermal) Spheres |
Polytropes | Equilibrium Sequence Turning-Points |
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Stability Analysis
Radial Pulsation Equation |
Example Derivations & Statement of Eigenvalue Problem |
Relationship to Sound Waves |
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Uniform-Density Configurations |
Sterne's Analytic Sol'n of Eigenvalue Problem |
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Pressure-Truncated Isothermal Spheres |
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via Direct Numerical Integration |
Yabushita's Analytic Sol'n for Marginally Unstable Configurations |
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Polytropes |
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Isolated n = 3 Polytrope |
Pressure-Truncated Configurations |
Our Analytic Sol'n for Marginally Unstable Configurations |
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Nonlinear Dynamical Evolution
Free-Fall Collapse |
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Collapse of Isothermal Spheres |
via Direct Numerical Integration |
Self-Similar Solution |
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Collapse of an Isolated n = 3 Polytrope |
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See Also
© 2014 - 2021 by Joel E. Tohline |