Criteria for the collapse and fragmentation of rotating clouds

Details Criteria for the collapse and fragmentation of rotating clouds Criteria for the collapse and fragmentation of rotating clouds

Jun 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992pasj...44..193m&link_type=abstract

Astronomical Society of Japan, Publications (ISSN 0004-6264), vol. 44, no. 3, 1992, p. 193-202.

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Computation

30

Collapse, Computational Fluid Dynamics, Fragmentation, Nebulae, Rotating Fluids, Star Formation, Astronomical Models, Hydrodynamics

Scientific paper

Three-dimensional computations for the processes of the collapse and fragmentation of rotating gases were performed while assuming a polytropic relation with various values of the adiabatic index (gamma). The initial condition of rotating gas is spherical with both uniform rotation and density, including random-density perturbations. By computing the evolution of many initial models it can be empirically determined what model will fragment or not. In order to interpret the numerical results, the flatness of a rotating disk-like core which is formed in a collapsed cloud was studied.

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