# GfsBubble

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- | A GfsBubble is a [[GfsParticulate]] that behaves as a compressible spherical bubble | + | A GfsBubble is a [[GfsParticulate]] that behaves as a compressible spherical bubble. The radial evolution of the bubble is described by the [[w:Sonoluminescence##Rayleigh.E2.80.93Plesset_equation|Rayleigh-Plesset equation]] coupled with the surrounding pressure field. |

The syntax in parameter files is: | The syntax in parameter files is: | ||

- | [[GfsParticleList]] ... { [[GfsParticulate]] Vr P0 } ... | + | [ [[GfsParticulate]] ] Vr P0 |

where | where | ||

- | *Vr is the radial velocity | + | |

- | *P0 is the equilibrium pressure of the bubble | + | ;<code>Vr</code>: is the radial velocity |

+ | ;<code>P0</code>: is the equilibrium pressure of the bubble |

## Revision as of 15:52, 5 January 2011

A GfsBubble is a GfsParticulate that behaves as a compressible spherical bubble. The radial evolution of the bubble is described by the Rayleigh-Plesset equation coupled with the surrounding pressure field.

The syntax in parameter files is:

[ GfsParticulate ] Vr P0

where

`Vr`

- is the radial velocity
`P0`

- is the equilibrium pressure of the bubble