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Preface from the [http://www.phys.lsu.edu/astro/H_Book.current/H_Book.html original version] of this HyperText Book (H_Book):  
Preface from the [http://www.phys.lsu.edu/astro/H_Book.current/H_Book.html original version] of this HyperText Book (H_Book):  
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short-period binary star systems, and the gaseous disks that are associated  
short-period binary star systems, and the gaseous disks that are associated  
with numerous types of stellar systems (including galaxies) is derived
with numerous types of stellar systems (including galaxies) is derived
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from an examination of the behavior of a specific set of coupled, partial differential equations. These equations  &#8212; most of which also are heavily utilized in studies of continuum flows in terrestrial environments &#8212; are thought to govern the underlying physics of all macroscopic "fluid" systems in astronomy.  Although relatively simple in form, they prove to be very rich in nature... [http://www.vistrails.org/index.php/User:Tohline/Preface <more>]
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from an examination of the behavior of a specific set of coupled, partial differential equations. These equations  &#8212; most of which also are heavily utilized in studies of continuum flows in terrestrial environments &#8212; are thought to govern the underlying physics of all macroscopic "fluid" systems in astronomy.  Although relatively simple in form, they prove to be very rich in nature... [[User:Tohline/Preface|<more>]]
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* [http://www.vistrails.org/index.php/User:Tohline/H_Book/ImageContent01#TitleImage Pictorial Table of Contents]
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* [User:Tohline/H_Book/ImageContent01#TitleImage|Pictorial Table of Contents]]
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Revision as of 15:07, 16 January 2015


Preface from the original version of this HyperText Book (H_Book):

November 18, 1994

Much of our present, basic understanding of the structure, stability, and dynamical evolution of individual stars, short-period binary star systems, and the gaseous disks that are associated with numerous types of stellar systems (including galaxies) is derived from an examination of the behavior of a specific set of coupled, partial differential equations. These equations — most of which also are heavily utilized in studies of continuum flows in terrestrial environments — are thought to govern the underlying physics of all macroscopic "fluid" systems in astronomy. Although relatively simple in form, they prove to be very rich in nature... <more>

Whitworth's (1981) Isothermal Free-Energy Surface
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Pictorial Table of Contents

  • [User:Tohline/H_Book/ImageContent01#TitleImage|Pictorial Table of Contents]]

Context

Applications

Spherically Symmetric Configurations

Introduction (Alternate Introduction)

Structure:

Solution Strategies:    

Detailed Force-Balance
(Introduction)

Virial Equilibrium
(Introduction)

Example Solutions:
  • Uniform-density sphere
        Isolated …
    Embedded in an External Medium …
  • Polytropes
    Isolated …
    Embedded in an External Medium …
  • Isothermal sphere
    Isolated …
    Embedded in an External Medium (Bonnor-Ebert Sphere) …
  • Zero-temperature White Dwarf — Overview
  • Power-law density distribution — Overview
  • BiPolytropes (also referred to as Composite Polytropes)
Overview Overview
        Core-Envelope Structure with ~(n_c,n_e) = (0,0)
        Core-Envelope Structure with ~(n_c,n_e) = (5,1)

Stability:

Background: Sound Waves

Solution Strategy Assuming Spherical Symmetry:

Virial Stability

Bipolytrope Generalization

Example Solutions:

Dynamics:

Spherical Collapse:

Two-Dimensional Configurations

Structure:

Solution Strategies

Virial Equilibrium

Example Solutions:

Stability:

Dynamics:

Three-Dimensional Configurations

Structure:

Solution Strategies

Example Solutions:

Stability:

Dynamics:

Related Projects Underway


Appendices


See Also

Whitworth's (1981) Isothermal Free-Energy Surface

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