Assessment of an MASW approach incorporating discrete particle modeling [PDF]
, 2008 A Discrete Particle Scheme (DPS) consisting of interacting circular particles is utilised to examine the Multichannel Analysis of Surface Waves (MASW) technique.
Long, Michael +2 more
core +1 more source
Dispersion, Group Velocity, And Multisymplectic Discretizations
, 2009 This paper examines the dispersive properties of multisymplectic discretizations of linear and nonlinear PDEs. We focus on a leapfrog in space and time scheme and the Preissman box scheme. We find that the numerical dispersion relations are monotonic and
Wlodarczyk, T. H., Schober, C. M.
core +2 more sources
Effect of microchannel aspect ratio on residence time distributions and the axial dispersion coefficient [PDF]
, 2009 The effect of microchannel aspect ratio (channel depth/channel width) on residence time distributions and the axial dispersion coefficient have been investigated for Newtonian and shear thinning non-Newtonian flow using computational fluid dynamics.
Prat, Laurent E. +4 more
core +1 more source
The characterisation of rock masses from laboratory and field studies of the velocity and attenuation of seismic waves [PDF]
, 1996 This thesis addresses the concept of non-destructive rock mass characterisation using in-situ measurements of the velocity and attenuation of seismic waves. The thesis is divided in to two sections, the first of which considers a comprehensive laboratory
Pearce, Dominic Robert
core +6 more sources
Group velocity of the probe light in semiconductor–metal molecules [PDF]
, 2012 The group velocity of light is investigated in a hybrid nanostructure comprised of semiconductor quantum dot (SQD) and metal nanoparticle (MNP). In the presence of MNP, the hybrid absorption of the system can be eliminated and forms a broad transparency ...
HuiFang Zhang +5 more
core +1 more source
Fully nonlinear inversion of fundamental mode surface waves for a global crustal model [PDF]
, 2007 We use neural networks to find 1-dimensional marginal probability density functions (pdfs) of global crustal parameters. The information content of the full posterior and prior pdfs can quantify the extent to which a parameter is constrained by the data.
Meier, U. +2 more
core +1 more source
Group-velocity dispersion engineering of tantala integrated photonics
, 2020 Designing integrated photonics, especially to leverage Kerr-nonlinear optics, requires accurate and precise knowledge of refractive index across the visible to infrared spectral ranges.
Richelle Streater (9675608) +5 more
core +1 more source
Numerical Simulation of Three-Core Photonic Crystal Fiber With Large Group-Velocity Dispersion
IEEE Access, 2020 The three-core photonic crystal fiber (TC-PCF) is proposed to obtain large group-velocity dispersion (GVD) because of the coupling effects between the fundamental modes (FMs) of the central core and higher-order modes (HOMs) of the two side cores.
Jianfang Yang +3 more
doaj +1 more source
Remote Sensing, 2019 The wavenumber-frequency spectra of many radar measurements of the sea surface contain a linear feature at frequencies lower than the first order dispersion relationship commonly referred to as the “group line”.
Andrew J. Kammerer, Erin E. Hackett
doaj +1 more source
Strong group-velocity dispersion compensation with phase-engineered sheet metamaterials
, 2014 Resonant metamaterials usually exhibit substantial dispersion, which is considered a shortcoming for many applications. Here we take advantage of the ability to tailor the dispersive response of a metamaterial, introducing a new method of group-velocity ...
Dastmalchi, B. +8 more
core +1 more source