Showing papers in "Wave Motion in 2017"

TL;DR: In this article, an eigenfunction-matching method was developed for linear water-wave scattering by a circular floating porous elastic plate, and a coupled boundary-element and finite-element method is developed for the problem in which the plate is of arbitrary shape.

TL;DR: The concept of the diffraction limit put forth by Ernst Abbe and others has been an important guiding principle limiting our ability to tightly focus classical waves such as light and sound, in the far field.

TL;DR: In this paper, an analytical and numerical model is developed to study sound transmission through a periodically voided soft elastic medium submerged in water, and the effect of strong and weak coupling of void resonances on the transmission characteristics is presented.

TL;DR: In this article, the wave fields reflected and transmitted by a thin floating plastic plate are reported for regular incident waves over a range of incident periods (producing wavelengths comparable to the plate length) and steepnesses (ranging from mild to storm-like).

TL;DR: In this article, the Riemann-Hilbert problem for the multi-component generalizations of the nonlinear Schrodinger (DNLS) equation of Kaup-Newell (KN) and Gerdjikov-Ivanov (GI) types is derived.

TL;DR: In this paper, the authors used the inverse spectral theory of the periodic nonlinear Schrodinger (NLS) equation for the detection of rogue waves in the JONSWAP power spectrum.

TL;DR: In this paper, a comprehensive review of method of the wave-front expansion, also known in the literature as the Buchen-Mainardi algorithm, is presented, and many applications of this technique to the fundamental models of both ordinary and fractional linear viscoelasticity are thoroughly presented and discussed.

TL;DR: In this article, the authors present a general theoretical framework for the description of sound wave interaction with the resonant metasurface that is independent of the nature of resonators and the excitation.

TL;DR: In this article, a semi-analytical solution of the complete three-dimensional (3D) guided wave propagation problem in infinite laminated composite plates using a semianalytical method is presented.

TL;DR: In this paper, an experimental approach was developed that can enable the verification of the theoretical predictions in the laboratory using a blended mixture of white oil and polydimethylsiloxane (PDMS) material with various mass percentages of a curing agent.

TL;DR: In this article, the authors investigate the attenuation of monochromatic surface gravity waves due to the presence of various surface covers and find that attenuation rates are independent of wave steepness and the type of cover used over the tested parameter range.

TL;DR: In this paper, the authors considered fundamental frequency plane waves in all three linear modes, which have infinite spatial extent and travel in one of the high-symmetry crystal directions.

TL;DR: In this article, the improved Heimburg-Jackson model with two dispersive terms is analyzed and the soliton-type solutions of such a wave equation are found and analyzed.

TL;DR: In this paper, an analytical method is devised to solve the corresponding multiple scattering problems for sound-hard cylinders and C-shaped locally resonant scatterers, which combines an integral equation technique for the single scatterer with an enhanced multipole method using domain decomposition into slabs.

TL;DR: This mini-review critically analyze models of microtubule vibration dynamics, mainly focusing on limitations of particular modeling approaches and their relevance to observed and hypothesized biological phenomena.

TL;DR: In this article, a delayed Time Reversal-Nonlinear Elastic Wave Spectroscopy (TREES) method is proposed to optimize and change the shape of the received focused wave in the material, either by making the focusing sharper or making it wider.

TL;DR: In this paper, the authors numerically study nonlinear phenomena related to the dynamics of traveling wave solutions of the Serre equations including the stability, the persistence, the interactions and the breaking of solitary waves.

TL;DR: A volumetric source term for the Euler and Navier-Stokes equations is derived that mimics the generation of unidirectional acoustic waves from an arbitrary smooth surface in three-dimensional space.

TL;DR: In this article, a method of regularization is used to examine the reflectivity of an E-polarized plane wave from an arbitrary two-dimensional cavity, where the cavity may be represented as an infinitesimally thin open contour with sharp edges or more realistically, as an open (slotted) arbitrary profiled cylinder with finite thickness walls and smoothly rounded edges.

TL;DR: In this article, a combination of ray tracing and a generalised Burgers equation describing evolution of the waveform carried by a ray was used to derive the first derivation of such a model based on asymptotic analysis of the governing equations for a general atmosphere.

TL;DR: In this article, the authors showed that the soliton parameters depend rather on the waveguide geometry and material, not on an initial pulse, which power provides either a single soliton or a soliton train.

TL;DR: In this article, a hybrid numerical-asymptotic boundary element method was proposed for high frequency acoustic and electromagnetic scattering by penetrable (dielectric) convex polygons.

TL;DR: In this article, the acoustical properties of hierarchical porous materials that support mass transfer processes, such as sorption and different types of diffusion, in addition to the previously mentioned effects are investigated.

TL;DR: In this article, the authors analyzed the wave fields generated by a monopole within the collar, an LWD model more appropriate, by comparing the propagation mechanisms of two kinds of collar waves in the LWD models.

TL;DR: In this article, the spectral element method is used to perform a parametric sensitivity study of the nonlinear coda wave interferometry (NCWI) method in a homogeneous or heterogeneous sample with localized damage.

TL;DR: In this paper, a two-scale asymptotic theory is developed to generate continuum equations that model the macroscopic behaviour of electromagnetic waves in periodic photonic structures when the wavelength is not necessarily long relative to the periodic cell dimensions; potentially highlyoscillatory short-scale detail is encapsulated through integrated quantities.

TL;DR: In this paper, a modified Stroh formalism is applied to dislocations moving uniformly in an anisotropic medium, which allows for a straightforward computation of velocity-dependent field expressions that are valid whatever the dislocation velocity.

TL;DR: In this paper, a simulation-based analysis of the effect of a reflecting surface on aeroacoustic time-reversal (TR) source localization/characterization is presented.

TL;DR: In this article, the effects of negative group velocity on the evolution of wave profiles are studied in the context of a Mindlin type continuum model with two microstructures in the 1D setting.

TL;DR: In this paper, the authors presented the solution of a dynamic problem for calculation of a displacement field on a half-space surface caused by an internal mode I crack opening, which is reduced to the system of boundary integral equations (BIEs).