## Evaluation of overshooting errors in particle methods for diffusion by biased global random walk

AbstractThe adjustment of grid steps which guarantees that particles methods yield no numerical diffusion inevitably induces overshooting errors in the…

AbstractThe adjustment of grid steps which guarantees that particles methods yield no numerical diffusion inevitably induces overshooting errors in the…

AbstractLong term Atlantic tropical storm activity is described by the time series of the yearly Accumulated Cyclone Energy (ACE) Index…

AbstractTransport processes in heterogeneous media such as ionized plasmas, natural porous media, and turbulent atmosphere are often modeled as diffusion…

AbstractWe make use of two Laguerre collocation techniques as a way to illustrate, deepen or extend some analytic results of…

AbstractWe use the rainfall-runoff model of Nielsen and Hansen in order to study the daily rates of flow at the…

AbstractA viscous incompressible fluid reacts chemically with a rotating disk. We establish the diffusion equation in the boundary layer corresponding…

AbstractIn the present work a comparison in made between the authors’ experimental and numerically calculated data obtained in studying the…

AbstractA thin liquid layer flowing due to gravity and a surface tension gradient is taken into account. On the liquid/gas…

AbstractValues of the Marangoni rates of flow experimentally determined for a thin liquid pellicle found in inclined canals have been…

Abstract Existence and aymptotic expansion of some bifurcated solution for the following boundary value problem: \begin{align*} -\Delta u+cu^{2}-B^{2}u & =0,\ \…