Yes, I have to change it to material field. These are the 3 variables and 2 components for each.
IndependentFieldNavierStokes.VariableLabelSet(CMISS.FieldVariableTypes.U,'Normal Wave Direction')
IndependentFieldNavierStokes.VariableLabelSet(CMISS.FieldVariableTypes.V,'Input Boundary Condition')
IndependentFieldNavierStokes.VariableLabelSet(CMISS.FieldVariableTypes.U1,'Advection Velocity')
IndependentFieldNavierStokes.ComponentMeshComponentSet(CMISS.FieldVariableTypes.U,1,MeshComponentNumberSpace)
IndependentFieldNavierStokes.ComponentMeshComponentSet(CMISS.FieldVariableTypes.U,2,MeshComponentNumberSpace)
IndependentFieldNavierStokes.ComponentMeshComponentSet(CMISS.FieldVariableTypes.V,1,MeshComponentNumberSpace)
IndependentFieldNavierStokes.ComponentMeshComponentSet(CMISS.FieldVariableTypes.U1,1,MeshComponentNumberSpace)
IndependentFieldNavierStokes.ComponentMeshComponentSet(CMISS.FieldVariableTypes.U1,2,MeshComponentNumberSpace)