3D numerical relativity using collisionless particles: gauge conditions

Details 3D numerical relativity using collisionless particles: gauge conditions 3D numerical relativity using collisionless particles: gauge conditions

Dec 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998tx19.confe.493m&link_type=abstract

Abstracts of the 19th Texas Symposium on Relativistic Astrophysics and Cosmology, held in Paris, France, Dec. 14-18, 1998. Eds.:

Astronomy and Astrophysics

Astrophysics

Scientific paper

I have performed 3D numerical relativity simulations using collisionless particles as the source of the energy momentum tensor. Adopting the maximal slice condition and a spatial gauge similar to the minimum distortion gauge, simulations of non-axisymmetric collapses of slightly deformed rotating ellipsoids and coalescence of two near equilibrium clusters. I will show preliminary results which are obtained by 101*51*51 or 153*77*77 grid numbers (covering -L <= x <= L and 0 <= y,z <= L where L denotes the coordinate of the outer boundary) and demonstrate the merits and drawbacks of the gauge conditions adopted here.

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