A computer-aided engineering method and apparatus for predicting a quantitative value of a physical property at a point from waves generated by or scattered from a body

摘要

The invention relates to Computer-Aided Engineering (CAE) systems. It concerns a new methodology to predict (1) the acoustic radiation characteristics of a mechanical structure, under operational conditions, and (2) to identify the sources on a vibrating structure from measured sound pressure levels in the field. The methodology is based on a new approach to evaluate acoustic transfer vectors (ATV), based on the reciprocity principle and combined with interpolation techniques.;The same methods are applicable to other vibrating energy forms which can be described by the wave equation such as electromagnetic waves.