Diffraction of P, S and Rayleigh waves by three-dimensional topographies

Scattering of plane elastic waves by three-dimensional diffraction gratings

Rayleigh–Bloch waves along elastic diffraction gratings

Rayleigh-Bloch (RB) waves in elasticity, in contrast to those in scalar wave systems, appear to have had little attention. Despite the importance of RB waves in applications, their connections to trapped modes and the ubiquitous nature of diffraction gratings, there has been no investigation of whether such waves occur within elastic diffraction gratings for the in-plane vector elastic system. ...

Three Dimensional Diffraction Imaging

Microscopy has incited many of the greatest revolutions in scientific history. In particular, these inventions have sparked paradigm shifts in biology, and discoveries like the structure of DNA are indebted to such studies. The development of the field spans from recent work like scanning electron microscopy and atomic force microscopy to the original optical microscope, which dates back hundre...

Three-dimensional profile of three types of spermatogonia and their topographies in adolescent or adult rats.

Stereomorphic profiles of three types of spermatogonia and their topographical distribution in the basal portion of the seminiferous epithelium of adolescent or adult rats were studied mainly with the scanning electron microscope. According to their cytological features, three types of spermatogonia (large-sized and long fusiform or polygonal; medium-sized and elliptical; small-sized and round)...

Spectral Ratios for Crack Detection Using P and Rayleigh Waves

1 Instituto Mexicano del Petróleo, Eje Central Lázaro Cárdenas 152, Gustavo A. Madero, 07730 México, DF, Mexico 2 Centro de Investigación en Matemáticas, Jalisco s/n, Mineral de Valenciana, 36240 Guanajuato, GTO, Mexico 3 Instituto Politécnico Nacional, Escuela Superior de Ingenierı́a y Arquitectura, UP Zacatenco, 07738 México, DF, Mexico 4 Instituto Politécnico Nacional, Escuela Superior de Ing...