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| 1 | +# GRSFramework |
| 2 | + |
| 3 | +**Granular Rigid Body Simulation Framework**: efficient research tools to simulate **non-smooth** granular rigid body dynamics. |
| 4 | + |
| 5 | + |
| 6 | + |
| 7 | + |
| 8 | + |
| 9 | + |
| 10 | + |
| 11 | +[Homepage](http://gabyx.github.io/GRSFramework/) |
| 12 | +[Wiki](https://github.com/gabyx/GRSFramework/wiki) |
| 13 | + |
| 14 | +# Videos |
| 15 | + |
| 16 | +<table> |
| 17 | + <tr> |
| 18 | + <td width="50%"> |
| 19 | + <!-- https://player.vimeo.com/video/160352926?title=0&byline=0 --> |
| 20 | + <a href="https://gabyx.github.io/GRSFramework/videos/video-1.html" |
| 21 | + ><img |
| 22 | + src="https://raw.githubusercontent.com/gabyx/GRSFramework/gh-pages/videos/Avalanche-P-9Tracking.png" |
| 23 | + width="100%" |
| 24 | + /></a> |
| 25 | + <span>Coloring: Velocity</span> |
| 26 | + </td> |
| 27 | + <td width="50%"> |
| 28 | + <!-- https://player.vimeo.com/video/160352927?title=0&byline=0 --> |
| 29 | + <a href="https://gabyx.github.io/GRSFramework/videos/video-2.html" |
| 30 | + ><img |
| 31 | + src="https://raw.githubusercontent.com/gabyx/GRSFramework/gh-pages/videos/Avalanche-P-9StaticFarProcs.png" |
| 32 | + width="100%" |
| 33 | + /></a> |
| 34 | + <span>Coloring: Process Domain</span> |
| 35 | + </td> |
| 36 | + </tr> |
| 37 | + <tr> |
| 38 | + <td width="50%"> |
| 39 | + <!-- https://player.vimeo.com/video/160352928?title=0&byline=0 --> |
| 40 | + <a href="https://gabyx.github.io/GRSFramework/videos/video-3.html" |
| 41 | + ><img |
| 42 | + src="https://raw.githubusercontent.com/gabyx/GRSFramework/gh-pages/videos/Avalanche-P-9CloseUpColored.png" |
| 43 | + width="100%" |
| 44 | + /></a> |
| 45 | + <span>Coloring: Random</span> |
| 46 | + </td> |
| 47 | + <td width="50%"> |
| 48 | + <!-- https://player.vimeo.com/video/160352925?title=0&byline=0 --> |
| 49 | + <a href="https://gabyx.github.io/GRSFramework/videos/video-4.html" |
| 50 | + ><img |
| 51 | + src="https://raw.githubusercontent.com/gabyx/GRSFramework/gh-pages/videos/SimVsCIV-VelocityMag-P-9.png" |
| 52 | + width="100%" |
| 53 | + /></a> |
| 54 | + <span>Coloring: Velocity</span> |
| 55 | + </td> |
| 56 | + </tr> |
| 57 | +</table> |
| 58 | + |
| 59 | +**Chute flow simulation & experiment with 1 million spheres:** |
| 60 | + |
| 61 | +- _method:_ Moreau time-stepping with unilateral contacts and Coulomb friction |
| 62 | +- computed on 384 cores with `GRSFSimMPI` in 12 h, rendered with `GRSFConverter` and `prman` in 24 h. |
| 63 | +- _time step:_ 0.0002 s, _friction coefficient:_ 0.8 |
| 64 | +- _restitution coefficient:_ 0.0 (fully inelastic impacts) |
| 65 | +- _global contact iterations:_ 1000 |
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