Basic Theory of Ultrasonic Scattering by Defects: Numerical Studies and Features for Experimental Application

Well, the theory of scattering of elastic waves is difficult. I don\u27t want to minimize that, but I thought I might make a few diversionary introductory remarks. My first reference will be the Los Angeles Times of today, the astrology column. It advises those born under the sign of Leo to choose their words carefully to avoid trouble. That happens to be applicable to yours truly. I hope I do it