{
    "scene_type": "distance_barrier_rb_problem",
    "timestep": 0.01,
    "max_time": 10.0,
    "rigid_body_problem": {
        "coefficient_restitution": -1,
        "gravity": [0, 9.8, 0],
        "rigid_bodies": [{
            "mesh": "@LOCAL_DIR_PATH@/stl/crank.stl",
            "density": 1000,
            "angular_velocity": [0, 0, 450],
            "torque": [0, 0, 300],
            "type": "kinematic",
            "is_dof_fixed": [true, true, true, true, true, false],
            "scale": 0.001
        }, {
            "mesh": "@LOCAL_DIR_PATH@/stl/piston1_head.stl",
            "is_dof_fixed": [true, false, true, true, true, true],
            "density": 1000,
            "scale": 0.001
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            "mesh": "@LOCAL_DIR_PATH@/stl/piston1_pin.stl",
            "is_dof_fixed": [true, false, true, true, true, true],
            "density": 1000,
            "scale": 0.001
        }, {
            "mesh": "@LOCAL_DIR_PATH@/stl/piston1_mid.stl",
            "density": 1000,
            "scale": 0.001
        }, {
            "mesh": "@LOCAL_DIR_PATH@/stl/piston2_head.stl",
            "is_dof_fixed": [true, false, true, true, true, true],
            "density": 1000,
            "scale": 0.001
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            "density": 1000,
            "scale": 0.001
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            "mesh": "@LOCAL_DIR_PATH@/stl/piston2_mid.stl",
            "density": 1000,
            "scale": 0.001
        }, {
            "mesh": "@LOCAL_DIR_PATH@/stl/piston3_head.stl",
            "is_dof_fixed": [true, false, true, true, true, true],
            "density": 1000,
            "scale": 0.001
        }, {
            "mesh": "@LOCAL_DIR_PATH@/stl/piston3_pin.stl",
            "is_dof_fixed": [true, false, true, true, true, true],
            "density": 1000,
            "scale": 0.001
        }, {
            "mesh": "@LOCAL_DIR_PATH@/stl/piston3_mid.stl",
            "density": 1000,
            "scale": 0.001
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            "mesh": "@LOCAL_DIR_PATH@/stl/piston4_head.stl",
            "is_dof_fixed": [true, false, true, true, true, true],
            "density": 1000,
            "scale": 0.001
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            "mesh": "@LOCAL_DIR_PATH@/stl/piston4_pin.stl",
            "is_dof_fixed": [true, false, true, true, true, true],
            "density": 1000,
            "scale": 0.001
        }, {
            "mesh": "@LOCAL_DIR_PATH@/stl/piston4_mid.stl",
            "density": 1000,
            "scale": 0.001
        }]
    }
}