Abstract

By using an analysis based on high frequency approximations, as given by Jones [1], the field produced by the diffraction of two knife-edges of a plane acoustic wave of short wavelength is determined and the results are compared with the predictions of ray theory, in the circumstances when mixed boundary conditions are prescribed on one of the scatterers. The final results are found to be in complete agreement with the predictions of ray theory, as expected. Numerical results in specific circumstances are presented, either in the form of tables or graphically, as convenient.

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