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Reliability assessment of the Lattice-Boltzmann Method for modeling and quantification of hydrological attributes of porous media from microtomography images by Milad Hosseini; Majid Siavashi; Milad Shirbani; Mohaddeseh Mousavi Nezhad is a Environmental Science article available to read on EtoBox.

What is Reliability assessment of the Lattice-Boltzmann Method for modeling and quantification of hydrological attributes of porous media from microtomography images about?

Simulation of flow at the pore scale is of paramount importance to characterize the behavior of a fluid in a porous medium. The pore scale simulations allow us to investigate pore-scale mechanisms governing field-scale flow attributes. One of the big challenges in the field of pore-scale simulation is reliable modeling of the no-slip boundary condition, which in the lattice Boltzmann method is usually defined by the bounce-back boundary condition. In the present study, the effect of the magic parameter value on the simulation results was investigated by considering the inherent error in micro-CT images, and finally, the results were compared with the Navier-Stokes method ones. Furthermore, determining the amplitude of the error due to improper image resolution is one of the challenges in simulating micro-CT images, which by defining the magic parameter, analyzing its behavior and effect on results, a proper criterion to estimate the error amplitude of flow characteristics due to the micro-CT imaging is presented. In this study, based on the interpolation between different angles of the boundaries, an ideal magic parameter Λ = 0.21 was presented, which can simulate complex geometrie

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Author

Milad Hosseini; Majid Siavashi; Milad Shirbani; Mohaddeseh Mousavi Nezhad

Publisher

Elsevier BV

Published

2023

Language

EN

Field

Environmental Science (Physical Sciences)