A boundary integral technique for the numerical modelling of the air flow for the Aaberg exhaust system

A boundary integral technique has been developed for the numerical simulati on of the air flow for the Aaberg exhaust system. For the steady, ideal, ir rotational air flow induced by a jet, the air velocity is an analytical fun ction. The solution of the problem is formulated in the form of a boundary integral equation by seeking the solution of a mixed boundary-value problem of an analytical function based on the Riemann-Hilbert technique. The boun dary integral equation is numerically solved by converting it into a system of linear algebraic equations, which are solved by the process of the Gaus sian elimination. The air velocity vector at any point in the solution doma in is then computed from the air velocity on the boundary of the solution d omain. (C) 2000 Elsevier Science Ltd. All rights reserved.