A new and efficient three-dimensional implicit hybrid scheme for Euler equations is presented. The basic scheme is the coupling of the Jameson and Turkel's LU decompositions and Prof. Zhang Hanxin'sNND concept...A new and efficient three-dimensional implicit hybrid scheme for Euler equations is presented. The basic scheme is the coupling of the Jameson and Turkel's LU decompositions and Prof. Zhang Hanxin'sNND concept. The improved LU decompositions are applied to discretize the implicit part of the Euler Equations and Zhang's modified flux function to calculate the right hand side operators of the hybrid scheme. Numerical calculations were made of supersonic inlet flows with mired eXternal-internal compressions. Some of the computed results were compared with available wind tunnel data.展开更多
文摘A new and efficient three-dimensional implicit hybrid scheme for Euler equations is presented. The basic scheme is the coupling of the Jameson and Turkel's LU decompositions and Prof. Zhang Hanxin'sNND concept. The improved LU decompositions are applied to discretize the implicit part of the Euler Equations and Zhang's modified flux function to calculate the right hand side operators of the hybrid scheme. Numerical calculations were made of supersonic inlet flows with mired eXternal-internal compressions. Some of the computed results were compared with available wind tunnel data.