message: Change default vis_steps to 50
diff: @@ -150,7 +150,7 @@ int main(int argc, char *argv[])
  double dt = 0.01;
  double cfl = 0.3;
  bool visualization = true;
  - int vis_steps = 200;
  + int vis_steps = 50;
  int precision = 8;
  cout.precision(precision);
  