# boolean SmoothObject(Object, IDsOfFixedNodes, MaxNbOfIterations, MaxAspectRatio, Method)
res = mesh.SmoothObject(GroupSmooth, [], 20, 2., smesh.CENTROIDAL_SMOOTH)
# boolean SmoothObject(Object, IDsOfFixedNodes, MaxNbOfIterations, MaxAspectRatio, Method)
res = mesh.SmoothObject(GroupSmooth, [], 20, 2., smesh.CENTROIDAL_SMOOTH)