Abstract
An algorithm is developed for reconstruction of the normal velocity on the surface of an arbitrary axisymmetric structure from measurements of pressure in the nearfield. This high‐resolutinn reconstruction procedure is better suited for broadband data than the singular value decomposition method previously implemented [W. A. Veronesi and J. D. Maynard, J. Acoust. Soc. Am. 85, 588‐598 (1989); Borgiotti et al., J. Acoust. Soc. Am. Suppl. 1 84, S173 (1988) ], enabling reduced computation time and providing a new expansion for the surface field with a set of functions that can be expressed as real functions, independent of frequency and independent of ones choice of a measurement surface. The boundary element method is applied to compute the orthonormal set of functions and a projection matrix relating nearfield pressure values to surface normal velocity.
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