Before revision:  To solve the stationary nonlinear Navier-Stokes  equation, we introduce the idea of linearization of Navier-Stokes equation and iterative methods to treat the nonlinear convection term .
After revision:  To solve the stationary nonlinear Navier-Stokes (NS) equation, we introduce the idea of linearization of Navier-Stokes equation and iterative methods to treat the nonlinear convection term .