Top 4 gravity-simulation Open-Source Projects
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spacetimeengine
A Python utility for analyzing a given solution to the Einstein's field equations. Built on Sympy.
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Gravity-Sandbox
A fun toy/game where you can play with Newtonian Gravity. Place heavy objects in patterns and see interesting results.Chaotic gravity simulator
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InfluxDB
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A decade ago when I was interested in General Relativity I wanted to write a simple program to handle symbolic calculations for Einstein field equations (Starting with metric and calculated affine connections, ricci tensor …etc.). Sympy was an option (better because python was the only language I know well) but I found it hard and actually couldn't make it work. I used mathematica which was new for me but did it in a couple of hours. I expanded it later and used it to calculate a lot of things in a black hole paper I published later.
I checked now, and it seems that on this front a lot of development in sympy made it possible that we know how very good libraries built on top of it [1] [2]. There is even now a Jupyter notebook example on schwarzschild metric [3].
[1] https://docs.einsteinpy.org
[2]https://github.com/spacetimeengineer/spacetimeengine
[3] https://github.com/sympy/sympy/blob/master/examples/intermed...
Here's the code if you are curious or you want to try it: N-body
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Index
What are some of the best open-source gravity-simulation projects? This list will help you:
| Project | Stars | |
|---|---|---|
| 1 | spacetimeengine | 143 |
| 2 | Gravity-Sandbox | 46 |
| 3 | N-body | 7 |
| 4 | bouncy-window | 5 |
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