Modelling CO2 plume spreading in highly heterogeneous rocks with anisotropic, rate-dependent saturation functions: A field-data based numeric simulation study of …

Q Shao, M Boon, AA Youssef, K Kurtev… - International Journal of …, 2022 - Elsevier
In this field-data-based simulation study, we apply novel rate-dependent, anisotropic
saturation functions curve-fitted to match the flow behaviour of laminated sand-and siltstones …

Optimized differential evolution algorithm for solving DEM material calibration problem

S Ji, J Karlovšek - Engineering with Computers, 2023 - Springer
The discrete element method (DEM) micro parameter calibration has been a longstanding
problem since the DEM was created. To date, the low-precision and time-consuming …

Predicting plume spreading during CO2 geo-sequestration: benchmarking a new hybrid finite element–finite volume compositional simulator with asynchronous time …

Q Shao, S Matthai, T Driesner, L Gross - Computational Geosciences, 2021 - Springer
In this paper, we present the results of benchmark simulations for plume spreading during
CO 2 geo-sequestration conducted with the newly developed Australian CO 2 Geo …

A comparative study between finite difference explicit and implicit method for predicting pressure distribution in a petroleum reservoir

PO Appau, OK Dankwa, ET Brantson - International Journal of Engineering …, 2019 - ajol.info
Predicting pressure distribution in a petroleum reservoir is principal to the reservoir's
evaluation and maintenance, as pressure changes with space and time. A convenient …

Simulation of two-phase flow in porous media with sharp material discontinuities

LK Tran, JC Kim, SK Matthäi - Advances in Water Resources, 2020 - Elsevier
Geologic boundaries juxtaposing fine-against coarse-grained rock, have a profound impact
on multiphase flow, giving rise to a spectrum of non-linear flow behaviors, ranging from …

Time adaptive conservative finite volume method

P Jenny - Journal of Computational Physics, 2020 - Elsevier
Finite volume methods for time dependent problems typically employ time integration
schemes with constant time step sizes. The latter, in order to ensure stability and time …

Simulating Unsteady CO2 Flow through Brine-Saturated Cross-Bedded Sandstones: Towards Relative Permeability Curves for Unstable Displacement

A Youssef, A Tertois, Q Shao, S Matthai - ECMOR 2022, 2022 - earthdoc.org
At geo-storage conditions, carbon-dioxide is a supercritical low-viscosity fluid that is buoyant
with a mobility ratio< 1, highly prone to unstable displacement. The best candidate storage …

Temporally adaptive conservative scheme for unsteady compressible flow

V Kulka, P Jenny - Journal of Computational Physics, 2022 - Elsevier
An adaptive conservative time integration scheme (ACTI) for compressible flow simulations
is devised. A finite volume method is used, in which every cell employs a time step size …

EMAPS: An intelligent agent-based technology for simulation of multiscale systems

Y Omelchenko, H Karimabadi - Space and Astrophysical Plasma …, 2023 - Springer
Many systems in science and engineering can be modeled by partial differential equations
(PDEs) discretized in time and space. While a variety of techniques have been developed to …

Semi-automatic simulation modelling. Results with Tecnomatix Portfolio in the automotive sector

D Cortés, J Ramírez, LE Villagomez, R Batres… - IFAC-PapersOnLine, 2021 - Elsevier
Nowadays, the influence of the Industry 4.0 concept has increased the use of technologies
that allow systems to be connected and make decisions in a more efficient way to increase …