Two-dimensional collapse calculations of cylindrical clouds

Details Two-dimensional collapse calculations of cylindrical clouds Two-dimensional collapse calculations of cylindrical clouds

Mar 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979mnras.186..755b&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 186, Mar. 1979, p. 755-765. Research supported by the Ministere de l'Ed

Physics

7

Gravitational Collapse, Hydrodynamics, Hydrogen Clouds, Interstellar Matter, Codes, Computer Techniques, Fragmentation, Jeans Theory, Poisson Equation, Radiative Transfer

Scientific paper

A two-dimensional hydrodynamic computer code has been extensively modified and expanded to study the collapse of non-rotating interstellar clouds. The physics and the numerical methods involved are discussed. The results are presented and discussed in terms of the Jeans number. The critical Jeans number for collapse of non-rotating cylindrical clouds whose length is the same as their diameter is 1.00. No evidence for fragmentation has been found for these clouds, but fragmentation seems quite likely for more elongated cylindrical clouds.

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