TY - CHAP A1 - Don Kulasiri ED1 - Don Kulasiri Y1 - 2011-11-04 PY - 2011 T1 - Stochastic Differential Equations and Related Inverse Problems N2 - This research monograph presents a mathematical approach based on stochastic calculus which tackles the “cutting edge” in porous media science and engineering – prediction of dispersivity from covariance of hydraulic conductivity (velocity). The problem is of extreme importance for tracer analysis, for enhanced recovery by injection of miscible gases, etc. This book explains a generalised mathematical model and effective numerical methods that may highly impact the stochastic porous media hydrodynamics. The book starts with a general overview of the problem of scale dependence of the dispersion coefficient in porous media. Then a review of pertinent topics of stochastic calculus that would be useful in the modeling in the subsequent chapters is succinctly presented. The development of a generalised stochastic solute transport model for any given velocity covariance without resorting to Fickian assumptions from laboratory scale to field scale is discussed in detail. The mathematical approaches presented here may be useful for many other problems related to chemical dispersion in porous media. BT - Computational Modelling of Multi-scale Solute Dispersion in Porous Media SP - Ch. 2 UR - https://doi.org/10.5772/39153 DO - 10.5772/39153 SN - PB - IntechOpen CY - Rijeka Y2 - 2020-09-30 ER -