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25th AIAA Applied Aerodynamics Conference
The purpose of this paper is to develop a robust and efficient high order fully conservative finite difference scheme for compressible Navier-Stokes equations. The 5th order WENO scheme is used for the inviscid fluxes. A conservative fourth order accuracy finite central differencing scheme is developed for the viscous terms. An improved ε value of 10 −2 is suggested for the WENO smooth factors calculation, which removes the weight oscillation and significantly improves the convergence rate anddoi:10.2514/6.2007-4431 fatcat:a7pys4obbvax3hvrtllmi2ej6m