Planar numerical cosmology. II - The difference equations and numerical tests

Details Planar numerical cosmology. II - The difference equations and numerical tests Planar numerical cosmology. II - The difference equations and numerical tests

Feb 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984apjs...54..229c&link_type=abstract

Astrophysical Journal Supplement Series (ISSN 0067-0049), vol. 54, Feb. 1984, p. 229-249. Research supported by the University o

Physics

63

Computerized Simulation, Cosmology, Hydrodynamics, Relativity, Difference Equations, Einstein Equations, Perturbation Theory, Time Marching

Scientific paper

Following Centrella and Wilson's (1983) method for the evolution of inhomogeneous planar cosmological models on a computer, in the course of whose presentation this special gauge's simplification of numerical evolution was discussed, attention is given to the differencing techniques that must be applied in order to solve the hydrodynamical, and especially the Einstein, equations. Also presented are the results obtained from testing the computer code on problems taken from hydrodynamics, spatially homogeneous cosmologies, and linearized general relativistic perturbation theory.

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