trinityc commited on
Commit
c348c08
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1 Parent(s): d10184c

Raise rolling friction to 0.005 m on genesis-world 1.4.5

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Fifty times the 1.4.4 default. On the sort-and-place apple sweep it is the only setting that, with a smaller substep, cuts apple-bowl contact losses from 19 to 6 of 480 resting steps; at the 1/300 s substep it trades apple and potato losses. Torsional friction stays at 0.005 m: genesis-world requires torsional friction for rolling friction, and zeroing its coefficient left coffee beans jittering by up to 13 mm.

Files changed (1) hide show
  1. rigid_sim.json +2 -2
rigid_sim.json CHANGED
@@ -1,6 +1,6 @@
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  {
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  "schema_version": 5,
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- "genesis_world_version": "1.4.4",
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  "precision": "32",
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  "sim_options": {
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  "substep_dt": 0.0033333333333333335,
@@ -43,6 +43,6 @@
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  "rho": 200.0,
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  "friction": 1.0,
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  "friction_torsional": 0.005,
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- "friction_rolling": 0.0001
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  }
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  }
 
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  {
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  "schema_version": 5,
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+ "genesis_world_version": "1.4.5",
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  "precision": "32",
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  "sim_options": {
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  "substep_dt": 0.0033333333333333335,
 
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  "rho": 200.0,
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  "friction": 1.0,
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  "friction_torsional": 0.005,
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+ "friction_rolling": 0.005
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  }
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  }