After 100 years of trying to "simplify" Dr. Albert Einstein's theory of general relativity calculations, physicists have opted to drop these short-cut simulations of the iconic one's original calculations, which short-cuts had consistently failed. Now, finally conceding the absence of a better model, they are using Einstein's originals, in computer codes, scaled up to "graph" the universe.
https://www.sciencedaily.com/releases/2016/06/160624105045.htm