27th Congress of International Council of the Aeronautical Sciences, 19 - 24 September 2010, Nice, France
Paper ICAS 2010-2.11.3

BASIS FUNCTION APPROXIMATION OF TRANSONIC AERODYNAMIC INFLUENCE COEFFICIENT MATRIX

W. W. Li, C. -G. Pak
NASA Dryden, USA

Keywords: aerodynamic influence coefficient matrix, basis function approximation, flutter analysis, multidisciplinary design optimization

This paper presents the development and results on approximation method of Transonic Aerodynamic Influence Coefficient Matrix using basis functions for aeroelastic calculations. The objective is to perform aeroelastic calculations within design optimization framework more rapidly and inexpensively. An ATW2 case study is presented to demonstrate the proposed technique.

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