Also in the LIGO project, it's a branch of astrophysics called numeric relativity. The gravity wave signatures predicted by the simulations was what helped con

Also in the LIGO project, it's a branch of astrophysics called numeric relativity. The gravity wave signatures predicted by the simulations was what helped confirm the LIGO detections of black hole and neutron star mergers. https://en.m.wikipedia.org/wiki/Numerical_relativity https://en.m.wikipedia.org/wiki/Numerical_relativity