Asymptotic Approximation Methods in Astrophysical Fluid Dynamics

Name: Asymptotic Approximation Methods in Astrophysical Fluid Dynamics
Brand: VDM Verlag
SKU: 9783639260250
Price: 273.57 RON
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Techniques and Example Applications

Autor: Oded Regev, Orkan Umurhan

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Legare: Carte broșată

Editura: VDM Verlag

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273.57 lei

The mathematical background to the topic of asymptotic approximation methods for the solution of ord...

Informații despre carte

Autor

Oded Regev, Orkan Umurhan

Limbă

engleză

Legare

Carte - Carte broșată

Publicat

2010

Pagini

108

EAN

9783639260250

ISBN

3639260252

Enbook ID

06833414

Editura

VDM Verlag

Greutate

168

Dimensiuni

152 x 229 x 7

Descriere completă

The mathematical background to the topic of asymptotic approximation methods for the solution of ordinary and partial differential equations is given first. These methods are then applied to several examples of problems from astrophysical fluid (and magneto-fluid) dynamics. An entire chapter is devoted to each topic and among them are - accretion disk boundary layers, fronts in thermally bistable interstellar medium; ideas from geophysics (shallow water theory) applied to modeling accretion disks; the discovery of transient perturbation growth in accretion disks, a growth than may reasonably give rise to secondary instabilities which, in turn, can be instrumental in driving angular momentum transport in these objects. Finally a critical nonlinear analysis of the magnetic Taylor-Couette-flow is given. It is found that for the latter, the magneto-rotational instability, whose importance for driving accretion disk turbulence had been considered paramount, actually saturates at an amplitude that goes with the magnetic Prandtl number, a fact that would imply that this instability, per- se, cannot cause sufficient angular momentum transport to induce accretion.

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Asymptotic Approximation Methods in Astrophysical Fluid Dynamics

Techniques and Example Applications

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Descriere completă

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