An Approximate Solver for Riemann and Riemann‐like Ellipsoidal Configurations | Zendy

Shangli Ou | Zendy

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An Approximate Solver for Riemann and Riemann‐like Ellipsoidal Configurations

Author(s) -

Shangli Ou

Publication year - 2006

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/499268

Subject(s) - riemann solver , ellipsoid , compressibility , riemann problem , riemann hypothesis , type (biology) , mathematics , solver , mathematical analysis , variety (cybernetics) , physics , mechanics , mathematical optimization , geology , finite volume method , astronomy , paleontology , statistics

We introduce a new technique for constructing three-dimensional (3D) modelsof incompressible Riemann S-type ellipsoids and compressible triaxialconfigurations that share the same velocity field as that of Riemann S-type ellipsoids. Our incompressible models are exact steady-stateconfigurations; our compressible models represent approximate steady-stateequilibrium configurations. Models built from this method can be used to studya variety of relevant astrophysical and geophysical problems.Comment: 25 pages, 10 figures, ApJ accepted, refereed versio

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