{
    "scene_type": "distance_barrier_rb_problem",
    "solver": "ipc_solver",
    "timestep": 0.01,
    "max_time": 20.0,
    "distance_barrier_constraint": {
        "initial_barrier_activation_distance": 1e-3
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    "ipc_solver": {
        "velocity_conv_tol": 1e-3
    },
    "friction_constraints": {
        "iterations": 1,
        "static_friction_speed_bound": 1e-3
    },
    "rigid_body_problem": {
        "coefficient_friction": 0.5,
        "gravity": [0, -9.8, 0],
        "rigid_bodies": [{
            "mesh": "plane.obj",
            "position": [0, 0, 0],
            "dimensions": [100.00000000000001, 0.0, 100.0],
            "is_dof_fixed": true
        }, {
            "mesh": "arch/num_stones=25/stone-01.obj"
        }, {
            "mesh": "arch/num_stones=25/stone-02.obj"
        }, {
            "mesh": "arch/num_stones=25/stone-03.obj"
        }, {
            "mesh": "arch/num_stones=25/stone-04.obj"
        }, {
            "mesh": "arch/num_stones=25/stone-05.obj"
        }, {
            "mesh": "arch/num_stones=25/stone-06.obj"
        }, {
            "mesh": "arch/num_stones=25/stone-07.obj"
        }, {
            "mesh": "arch/num_stones=25/stone-08.obj"
        }, {
            "mesh": "arch/num_stones=25/stone-09.obj"
        }, {
            "mesh": "arch/num_stones=25/stone-10.obj"
        }, {
            "mesh": "arch/num_stones=25/stone-11.obj"
        }, {
            "mesh": "arch/num_stones=25/stone-12.obj"
        }, {
            "mesh": "arch/num_stones=25/stone-13.obj"
        }, {
            "mesh": "arch/num_stones=25/stone-14.obj"
        }, {
            "mesh": "arch/num_stones=25/stone-15.obj"
        }, {
            "mesh": "arch/num_stones=25/stone-16.obj"
        }, {
            "mesh": "arch/num_stones=25/stone-17.obj"
        }, {
            "mesh": "arch/num_stones=25/stone-18.obj"
        }, {
            "mesh": "arch/num_stones=25/stone-19.obj"
        }, {
            "mesh": "arch/num_stones=25/stone-20.obj"
        }, {
            "mesh": "arch/num_stones=25/stone-21.obj"
        }, {
            "mesh": "arch/num_stones=25/stone-22.obj"
        }, {
            "mesh": "arch/num_stones=25/stone-23.obj"
        }, {
            "mesh": "arch/num_stones=25/stone-24.obj"
        }, {
            "mesh": "arch/num_stones=25/stone-25.obj"
        }]
    }
}