Upscaling Permeability Using Multiscale X‐Ray‐CT Images With Digital Rock Modeling and Deep Learning Techniques

F Jiang, Y Guo, T Tsuji, Y Kato… - Water Resources …, 2023 - Wiley Online Library
This study presents a workflow to predict the upscaled absolute permeability of the rock core
direct from CT images whose resolution is not sufficient to allow direct pore‐scale …

Comparative analysis on pore‐scale permeability prediction on micro‐CT images of rock using numerical and empirical approaches

R Song, Y Wang, J Liu, M Cui… - Energy Science & …, 2019 - Wiley Online Library
Varieties of pore‐scale numerical and empirical approaches have been proposed to predict
the rock permeability when the pore structure is known, for example, microscopic …

Study on high temperature evolution of pore structure and permeability characteristics of C/SiC composites based on in-situ X-ray computed tomography

Z Chen, W Li, Y Yu, R Li, Y Gao, S Wang - Ceramics International, 2024 - Elsevier
Ceramic matrix composites (CMC) possess numerous distributed pore structures created
during manufacturing, which can function as microchannels for fluid flow. This study …

Taichi-LBM3D: a single-phase and multiphase lattice Boltzmann solver on cross-platform multicore CPU/GPUs

J Yang, Y Xu, L Yang - Fluids, 2022 - mdpi.com
The success of the lattice Boltzmann method requires efficient parallel programming and
computing power. Here, we present a new lattice Boltzmann solver implemented in Taichi …

A GPU implementation of the PCG method for large-scale image-based finite element analysis in heterogeneous periodic media

PCF Lopes, AMB Pereira, EWG Clua… - Computer Methods in …, 2022 - Elsevier
Image-based physics simulations in heterogeneous media at a microscopic scale are a
growing trend in various fields within and around Scientific Computing. We consider the …

[HTML][HTML] An explicit stabilised finite element method for Navier-Stokes-Brinkman equations

LBA Nillama, J Yang, L Yang - Journal of Computational Physics, 2022 - Elsevier
We present an explicit stabilised finite element method for solving Navier-Stokes-Brinkman
equations. The proposed algorithm has several advantages. First, the lower equal-order …

[HTML][HTML] Investigation of viscous coupling effects in three-phase flow by lattice Boltzmann direct simulation and machine learning technique

F Jiang, J Yang, E Boek, T Tsuji - Advances in Water Resources, 2021 - Elsevier
The momentum transfer across fluid interfaces in multi-phase flow leads to a non-negligible
viscous coupling effect. In this study, we use the lattice Boltzmann method (LBM) as a direct …

μCT scans permeability computation with an unfitted boundary method to improve coarsening accuracy

M Lesueur, H Rattez, O Colomés - Computers & Geosciences, 2022 - Elsevier
Flow simulations on porous media, reconstructed from Micro-Computerised Tomography (μ
CT) scans, is becoming a common tool to compute the permeability of rocks. Still, some …

Computing effective permeability of porous media with FEM and micro-CT: an educational approach

RS Vianna, AM Cunha, RBV Azeredo, R Leiderman… - Fluids, 2020 - mdpi.com
Permeability is a parameter that measures the resistance that fluid faces when flowing
through a porous medium. Usually, this parameter is determined in routine laboratory tests …

Enabling FEM-based absolute permeability estimation in giga-voxel porous media with a single GPU

PCF Lopes, F Semeraro, AMB Pereira… - Computer Methods in …, 2025 - Elsevier
The characterization of porous media via digital testing usually relies on intensive numerical
computations that can be parallelized in GPUs. For absolute permeability estimation, Stokes …