1 0 GfsSimulation GfsBox GfsGEdge {} { Refine 5 Time {end = 5} SourceViscosity 1. OutputLocation { step = 1 } data.dat positionXYZ OutputLocation { step = 1 } data0.45.dat positionX0.45YZ } GfsBox { left = Boundary { BcDirichlet U 1 } right = BoundaryOutflow top = Boundary { BcDirichlet U 0 BcDirichlet V 0 } bottom = Boundary { BcDirichlet U 0 BcDirichlet V 0 } }