{ "material": { "thermal_conductivity":1.0 }, "topology": { "max_loop": 100, "volfrac": 0.5, "penal": 2.0, "r_min": 1.5 }, "model": { "regularModel": [25,25,25], "visualObjModel":"" }, "NBC": [ { "min": [0, 0, 0], "max": [1, 1, 1], "val": -1 } ], "DBC": [ { "min": [0, 0, 0], "max": [1, 1, 0], } ] }