Abstract
A new representation of the scattered pressure of a point source due to infinite rigid wedge is derived by simplifying the Bessel functions in the modal solution and by implementing the image based representation of the source. The solution comprises of six impulses contributing to the reflected and transmitted pressure and an integral for the diffracted pressure. The inverse Fourier transform of the solution yields the time domain pressure and the asymptotic solution for higher frequency is evaluated and compared with solution obtained by steepest descent method. The analytical approach based on wedge diffraction is extended to evaluate the scattered pressure from finite rigid polygon with three vertices and edges. The computational results for the scattered pressure will be explained in detail.
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