{ "name": "Chefmate_8_Frypan", "path": "Chefmate_8_Frypan", "mjcf": "model.xml", "mujoco": "3.17.0", "bodies": 1, "geoms": 34, "joints": 1, "timestep": 0.002, "mass_kg": 1.8149, "floor_added": true, "checks": [ { "id": "loads", "level": "pass", "message": "loads in MuJoCo 3.17.0: 1 body, 34 geoms, 1 joint (with the free joints added here)" }, { "id": "fixed-to-world", "level": "warn", "message": "model has no joint, so MuJoCo welds it to the world and it will never move. Add for a free object. The dynamic checks here add one.", "data": { "bodies": [ "model" ] } }, { "id": "mass-source", "level": "fail", "message": "1 body gets mass and inertia from its geoms (no ), at density 1000 kg/m\u00b3 (MuJoCo's default, water); the visual geoms count too: model 84% of the mass is the visual mesh", "data": { "bodies": [ "model" ], "visual_share": { "model": 0.843 } } }, { "id": "density", "level": "pass", "message": "mass over the volume MuJoCo collides (convex hulls, so a hollow object reads low): model 6614 kg/m\u00b3 (1.8149 kg)", "data": { "bodies": [ [ "model", 6614, 1.8149 ] ] } }, { "id": "inertia", "level": "pass", "message": "rotational inertia against a solid of the same mass filling its collision hull (1 = the same): model 0.94\u00d7", "data": { "bodies": [ [ "model", 0.94 ] ] } }, { "id": "centre-of-mass", "level": "pass", "message": "every body's centre of mass is within its collision geometry's bounds", "data": { "bodies": [] } }, { "id": "friction", "level": "warn", "message": "32 of 32 colliding geoms have MuJoCo's default friction (1.0 sliding): none is set from a material", "data": { "default": 32, "geoms": 32 } }, { "id": "contact-softness", "level": "warn", "message": "32 of 32 colliding geoms use MuJoCo's default contact softness (solref 0.02 s), and 1 collision pieces are under 4 mm thick (thinnest 2.9 mm): a soft contact lets a thin part sink further than it is thick on impact, and the piece it sank into can then push it out the far side", "data": { "default": 32, "thin": [ [ "model", "geom32", 2.9 ] ] } }, { "id": "hull-fill", "level": "pass", "message": "no colliding mesh loses much to its convex hull", "data": { "geoms": [] } }, { "id": "floating-pieces", "level": "pass", "message": "every body's collision pieces touch each other", "data": { "bodies": [] } }, { "id": "visual-fit", "level": "pass", "message": "every visual mesh lies within 5 mm of its body's collision geometry", "data": { "bodies": [] } }, { "id": "starts-apart", "level": "pass", "message": "no body starts inside another", "data": { "pairs": [] } }, { "id": "settles", "level": "pass", "message": "after 2 s on the floor nothing moves more than 0.0 mm or 0.0\u00b0 in 0.2 s", "data": { "drift_mm": 0.0, "turn_deg": 0.0, "max_speed": 0.0 } }, { "id": "no-overlap", "level": "pass", "message": "settling: deepest at any moment model 0.8 mm into floor at 0.04 s; once settled, between bodies none, into the floor model 0.18 mm into floor at 2.0 s (allowed: 0.5 mm between bodies and 1 mm into the floor at rest, 3 mm at any moment)", "data": { "overlap": { "max_mm": 0.8, "pairs": [ { "body": "model", "into": "floor", "mm": 0.8, "t": 0.04 } ], "bodies": null, "floor": { "body": "model", "into": "floor", "mm": 0.8, "t": 0.04 }, "end": { "max_mm": 0.18, "pairs": [ { "body": "model", "into": "floor", "mm": 0.18, "t": 2.0 } ], "bodies": null, "floor": { "body": "model", "into": "floor", "mm": 0.18, "t": 2.0 } } } } }, { "id": "timestep", "level": "pass", "message": "settled at 2 ms and at 1 ms steps, it ends 0.0 mm and 0.0\u00b0 apart", "data": { "body": "model", "mm": 0.0, "deg": 0.0 } }, { "id": "tip-margin", "level": "pass", "message": "model can tilt 68.9\u00b0 toward its least stable side before its centre of mass passes the edge of its footprint", "data": { "body": "model", "deg": 68.9 } }, { "id": "drop", "level": "warn", "message": "dropped from 10 cm it bounces back 0% of the way and sinks 10.0 mm into the floor on impact (its geoms keep MuJoCo's soft default contacts; solref around 0.003 with a 1 ms step keeps it under 2 mm)", "data": { "bounce": 0.0, "floor_mm": 10.03 } } ], "verdict": "fail" }