OpenCL Multibody Simulation (1)

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Rav3n

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Published on December 2, 2011 5:04:12 AM ● Video Link: https://www.youtube.com/watch?v=FX8NEgX-9kM

Duration: 1:54

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Just a quick video about my work yesterday - I implemented a solution to the N-body system. It's no way optimized yet and I speeded up the video 3x.

What you see is a collection of ~7500 particles interacting with each another through gravitational force (~1/r_ij potential, with r relative distance between particles i and j). The particles were all at rest at time 0 and were equally distributed inside a cube (white outlines). With progressing time you can see the particle cloud collapsing inwards to the center of mass and form a dense cluster. Some particles are accelerated outwards so they can escape the gravitational potential.