Evolution of rotating interstellar clouds. I - Numerical techniques

Details Evolution of rotating interstellar clouds. I - Numerical techniques Evolution of rotating interstellar clouds. I - Numerical techniques

Aug 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975apj...199..619b&link_type=abstract

Astrophysical Journal, vol. 199, Aug. 1, 1975, pt. 1, p. 619-632.

Computer Science

Numerical Analysis

104

Interstellar Matter, Nebulae, Numerical Analysis, Protostars, Rotating Matter, Stellar Evolution, Astronomical Models, Gravitational Collapse, Hydrodynamic Equations, Stellar Rotation

Scientific paper

A method is described for the numerical calculation of the hydrodynamic evolution of a self-gravitating configuration in two space dimensions with assumed axial symmetry. The calculation is formulated in cylindrical coordinates with respect to a moving Eulerian grid and is solved using explicit hydrodynamics combined with implicit radiative transfer. The physics included is appropriate for calculation of the collapse of a rotating protostellar cloud. The gravitational field is obtained by means of an alternating-direction iterative technique. Numerical tests to demonstrate the correctness of the method are presented for special cases.

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