Synopses & Reviews
Synopsis
Excerpt from Notes on Diffraction: By a Circular Disk
Another is based on the wiener-hopf method of solving integral equations with kernels having special properties. It was recently first applied in diffraction by Schwinger to the problem of the bifurcated wave guidez. It is known that any wave problem may be formulated by a partial differential equation the wave equation with appropriate boundary conditions, or by an integral equation comprising the boundary conditions. The latter can.be obtained by Green's function techniques. If, and.only if, the kernel is a function of the difference of its arguments can.this method be employed. This limits the variety of scatterers. Among other problems to which the method has been successfully applied are the radia tion from a semi - infinite cylinder}, and the diffraction from two and from an infinite set of parallel halfeplanesu.
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