21st Congress of International Council of the Aeronautical Sciences, Melbourne, Australia, 13-18 September, 1998
Paper ICAS-98-2.6.4

A TIME-MARCHING, TYPE-DEPENDENT, FINITE DIFFERENCE ALGORITHM FOR THE MODIFIED TRANSONIC SMALL DISTURBANCE EQUATION

Gear J. A., Ly E., Phillips N. T. J.
RMIT Univ., Australia

Keywords: time-marching, type-dependent, finite difference algorithm, modified transonic small disturbance equation

A new time marching finite difference algorithm is formulated for the solution of the Modified Transonic Small Disturbance Equation. The algorithm determines the unsteady reduced velocity potential and pressure coefficient on the bounding surface of a wing. Unsteady transonic flow calculations are presented for the flow over a large aspect ratio rectangular wing of unit chord length and for the flow over a swept and tapered wing.

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