Abstract
This paper describes a reciprocal panel acoustic contribution analysis for vehicle interior noise in the low frequency range. Reciprocal panel contributions are calculated from uncoupled structural transfer functions of body panels and coupled acoustic transfer functions between receiver point and body panels. Analysis results of a simple model are presented for comparison with ordinary panel contributions computed form coupled structural transfer functions and uncoupled acoustic transfer functions. Finally, applications of reciprocal panel contributions are shown to be useful tools in modifying structure design for interior noise improvement.
