Abstract
Impulsively started, time-dependent inviscid transonic flows past a circular cylinder are considered for the case of a symmetric flow of an ideal compressible gas. A finite-difference method is applied to an annular region between the cylinder and the gasdynamic discontinuity created by a sudden immersion of the cylinder into the uniform stream. Numerical solutions are presented for the transonic free stream. A discussion of factors affecting the accuracy is given. It is concluded that imbedded shocks, if present, must be treated as discontinuities in order to maintain a reasonable accuracy.
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