{
  "problem": "Instantaneous dam break onto a dry, horizontal, frictionless bed.",
  "domain": {
    "xmin": 0.0,
    "xmax": 2000.0
  },
  "initial_condition": {
    "h_left_m": 1.0,
    "h_right_m": 0.0,
    "dam_x_m": 1000.0,
    "u": 0.0
  },
  "friction": "none",
  "bed": "horizontal",
  "boundaries": "transmissive"
}