ANALYTICAL SOLUTION TO THE SCATTERING OF PLANE P WAVES BY ALLUVIAL VALLEYS CONTAINING MULTIPLE CIRCULAR-ARC LAYERS

摘要

By the method of Fourier-Bessel series expansion of wave functions, presented is an analytical solution to the stationary dynamic response of alluvial valley containing arbitrary number of circular-arc layers incident by plane P wave. Taking the three-layer valleys as examples and using the spatial distributions of amplitude and phase difference of stationary ground motion, the influences of the layering of valley deposit media on the ground motion are studied in a broad frequency band.