StarCrash: 3-d Evolution of Self-gravitating Fluid Systems

Details StarCrash: 3-d Evolution of Self-gravitating Fluid Systems StarCrash: 3-d Evolution of Self-gravitating Fluid Systems

Oct 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010ascl.soft10074f&link_type=abstract

Astrophysics Source Code Library, record ascl:1010.074

Astronomy and Astrophysics

Astrophysics

Scientific paper

StarCrash is a parallel fortran code based on Smoothed Particle Hydrodynamics (SPH) techniques to calculate the 3-d evolution of self-gravitating fluid systems. The code in particularly suited to the study of stellar interactions, such as mergers of binary star systems and stellar collisions. The StarCrash code comes with several important features, including: Several routines which construct the initial conditions appropriate to a wide variety of physical systems An efficient parallel neighbor-finding algorithm for calculating hydrodynamic quantities A parallel gravitational field solver based on FFT convolution techniques, which uses the FFTW software libraries Relaxation Techniques for single stars and synchronized binaries Three different artificial viscosity treatments to calculate the thermodynamic evolution of the matter An optional gravitational radiation back-reaction treatment, which calculates the damping force from gravity wave losses to lowest relativistic order in a spatially accurate way

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