1 2 GfsSimulation GfsBox GfsGEdge {} {
  Time { end = 2 }
  Refine (x > 0.25 || x < -0.25 || y > 0.25 || y < -0.25 ? LEVEL : LEVEL + 1)
  Init {} {
    U = (- cos (8.*M_PI*x)*sin (8.*M_PI*y))
    V = (sin (8.*M_PI*x)*cos (8.*M_PI*y))
  }
  ApproxProjectionParams { tolerance = 1e-6 }
  ProjectionParams { tolerance = 1e-6 }
  OutputScalarNorm { istep = 1 } divLEVEL { v = Divergence }
  OutputScalarSum { istep = 1 } kineticLEVEL { v = Velocity2 }
  OutputScalarSum { istep = 1 } stdout { v = Velocity2 }
}
GfsBox {}
1 1 right
1 1 top