In this paper, a three-dimensional numerical nonbreaking wave method that can be used in aerospace engineering of water landing is developed using Reynolds-averaged Navier-Stokes (RANS) equations, volume of fluid (VOF) method, and velocity-inlet wave maker. The analytical wave spectral divided method is employed to deduce the input wave components according to the Airy linear wave theory. A velocity-inlet/static boundary wave maker and a momentum absorbing zone are employed to generate regular waves and irregular waves. The numerical wave simulation results show good agreement with the analytical wave derived by target wave spectral. Furthermore, several numerical cases are presented and investigated, including the aerodynamic and hydrodynamic forces acting on aircraft ditching processing in air-water regular wave and irregular wave field.
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