Anders E Boström

TL;DR: A study of the interaction of the S0 Lamb wave with a circular through-thickness hole in a plate is presented, and it is found that the trends of the reflection coefficients for different hole diameters, frequencies and distances from the hole satisfy a simple normalization.

TL;DR: In this article, the ground is modelled as a stratified half-space with linearly viscoelastic layers and a rectangular embankment is placed, supporting the rails and the sleepers.

TL;DR: In this article, the authors considered the mathematical modeling of a typical situation in ultrasonic nondestructive testing for defects, where the probe field is modeled via a series of transformations, expressed in spherical vector waves centered at the defect.

TL;DR: In this paper, the transition matrix method for stationary elastic waves is extended to a great class of obstacles characterized by piecewise constant properties, and the translation properties of the basis functions are used to treat two and, then, several homogeneous obstacles, and thereafter an obstacle with consecutively enclosing layers is considered.