Multi-physics and multi-scale methods used in nuclear reactor analysis

AG Mylonakis, M Varvayanni, N Catsaros… - Annals of Nuclear …, 2014 - Elsevier
In an operating nuclear reactor core, various physical phenomena of different nature are
interrelated. Multi-physics calculations that account for the interrelated nature of the …

Fully mass-conservative IMPES schemes for incompressible two-phase flow in porous media

H Chen, J Kou, S Sun, T Zhang - Computer Methods in Applied Mechanics …, 2019 - Elsevier
In this paper we consider fully mass-conservative numerical schemes for the simulation of
incompressible and immiscible two-phase flow in porous media with capillary pressure …

[BOOK][B] Iterative splitting methods for differential equations

J Geiser - 2011 - books.google.com
This work explains how to solve evolution equations via novel iterative-based splitting
methods that efficiently use computational and memory resources. It focuses on systems of …

A new treatment of capillarity to improve the stability of IMPES two-phase flow formulation

J Kou, S Sun - Computers & fluids, 2010 - Elsevier
In this paper, we present an efficient numerical method for two-phase immiscible flow in
porous media with different capillarity pressures. In highly heterogeneous permeable media …

[HTML][HTML] Iterative operator-splitting methods with higher-order time integration methods and applications for parabolic partial differential equations

J Geiser - Journal of Computational and Applied Mathematics, 2008 - Elsevier
In this paper we design higher-order time integrators for systems of stiff ordinary differential
equations. We combine implicit Runge–Kutta and BDF methods with iterative operator …

[BOOK][B] Multicomponent and Multiscale Systems

J Geiser - 2016 - Springer
When I started this book project, I proposed to write a book about my recent advances in
mathematical modelling problems to multicomponent and multiscale systems. I considered …

On iterative IMPES formulation for two-phase flow with capillarity in heterogeneous porous media

J Kou, S Sun - 2010 - repository.kaust.edu.sa
This work is a continuation of Kou and Sun [36] where we present an efficient improvement
on the IMplicit Pressure Explicit Saturation (IMPES) method for two-phase immiscible fluid …

[HTML][HTML] A new physics-preserving IMPES scheme for incompressible and immiscible two-phase flow in heterogeneous porous media

H Chen, S Sun - Journal of Computational and Applied Mathematics, 2021 - Elsevier
In this work we consider a new efficient IMplicit Pressure Explicit Saturation (IMPES) scheme
for the simulation of incompressible and immiscible two-phase flow in heterogeneous …

A velocity-vorticity method for highly viscous 3d flows with application to digital rock physics

L Hume, P Poncet - Journal of Computational Physics, 2021 - Elsevier
In this article, we present a numerical iterative method for the solution of internal viscous and
incompressible flows in real porous three-dimensional bodies at their pore scale. We use …

Adaptive split-operator methods for modeling transport phenomena in porous medium systems

SE Gasda, MW Farthing, CE Kees, CT Miller - Advances in water resources, 2011 - Elsevier
Split-operator methods are commonly used to approximate environmental models. These
methods facilitate the tailoring of different approximation approaches to different portions of …