Derivation of one-dimensional hydrodynamic model for stock price evolution
AbstractIt was proved that balance equations for systems with corpuscular structure can be derived if a kinematic description by piece-wise…
Numerical Modeling
Generalized random walk algorithm for the numerical modeling of complex diffusion processes
AbstractA generalized form of the random walk algorithm to simulate diffusion processes is introduced. Unlike the usual approach, at a…
Numerical Modeling of Large Scale Transport of Contaminant Solutes Using the Global Random Walk Algorithm
AbstractThe methods which track particles to simulate concentrations are successfully used in problems for large scale transport in groundwater, mainly…
Numerical investigations on ergodicity of solute transport in heterogeneous aquifers
AbstractDarcy velocities for lognormal hydraulic conductivity with small variance and finite correlation length were approximated by periodic random fields. Accurate…
Evaluation of the first‐order approximations for transport in heterogeneous media
AbstractLongitudinal dispersion coefficients in given realizations of the transport computed by two currently used approximations of the first‐order in velocity…
On the self-averaging of dispersion for transport in quasi-periodic random media
AbstractIn this study we present a numerical analysis for the self-averaging of the longitudinal dispersion coefficient for transport in heterogeneous…
Comment on “Nonstationary flow and nonergodic transport in random porous media” by G. Darvini and P. Salandin
Abstract AuthorsN. Suciu Institute of Applied Mathematics, Friedrich-Alexander University of Erlangen-Nuremberg, Erlangen, Germany C. Vamos T. Popoviciu Institute of…
Memory effects induced by dependence on initial conditions and ergodicity of transport in heterogeneous media
AbstractFor transport in statistically homogeneous random velocity fields with properties that are routinely assumed in stochastic groundwater models, the one‐particle…
Comment on ‘‘Spatial moments analysis of kinetically sorbing solutes in aquifer with bimodal permeability distribution’’ by M. Massabo, A. Bellin and A. J. Valocchi
Abstract AuthorsN. Suciu P. Knabner KeywordsCite this paper as:N. Suciu, P. Knabner, Comment on ‘‘Spatial moments analysis of kinetically…
Persistent memory of diffusing particles
AbstractThe variance of the advection-diffusion processes with variable coefficients is exactly decomposed as a sum of dispersion terms and memory…