affine-body-dynamics/inputs/gear_assembly_offset/gear_offset.json at main · Autodesk/affine-body-dynamics · GitHub

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{
    "scene_type": "distance_barrier_rb_problem",
    "solver": "ipc_solver",
    "timestep": 0.01,
    "max_time": 0.5,
    "distance_barrier_constraint": {
        "initial_barrier_activation_distance": 5e-3,
        "minimum_separation_distance": 1e-4
    },
    "ipc_solver": {
        "velocity_conv_tol": 1e-3
    },
    "friction_constraints": {
        "iterations": -1
    },
    "rigid_body_problem": {
        "coefficient_restitution": -1,
        "coefficient_friction": 0.0,
        "gravity": [0, -1e3, 0],
        "orthogonality_stiffness": 1e9,
        "rigid_bodies": [{
            "mesh": "gear_assembly_offset\\3_mm.obj",
            "position": [0, 0, 0],
            "rotation": [0, 0, 0],
            "density": 7.8e-3
        },
        {
            "mesh": "gear_assembly_offset\\0_mm.obj",
            "position": [0, 0, 0],
            "rotation": [0, 0, 0],
            "density":7.8e-3
        },
        {
            "mesh": "gear_assembly_offset\\1_mm.obj",
            "position": [0, 0, 0],
            "rotation": [0, 0, 0],
            "density":7.8e-3
        },
        {
            "mesh": "gear_assembly_offset\\2_mm.obj",
            "position": [0, 0, 0],
            "rotation": [0, 0, 0],
            "density": 7.8e-3
        }],
        "linear_constraints": [
            {
                "type": "pin_world",
                "body_name": "3_mm",
                "body_point": [0.0, 0.0, 1.0]
            },
            {
                "type": "pin_world",
                "body_name": "3_mm",
                "body_point": [1.0, 0.0, 0.0]
            },
            {
                "type": "pin_world",
                "body_name": "3_mm",
                "body_point": [0.0, 1.0, 0.0]
            }
        ]
    }
}