[HTML][HTML] Random walks and moving boundaries: Estimating the penetration of diffusants into dense rubbers

S Nepal, M Ögren, Y Wondmagegne… - Probabilistic Engineering …, 2023‏ - Elsevier
For certain materials science scenarios arising in rubber technology, one-dimensional
moving boundary problems with kinetic boundary conditions are capable of unveiling the …

Global random walk solvers for reactive transport and biodegradation processes in heterogeneous porous media

N Suciu, FA Radu - Advances in Water Resources, 2022‏ - Elsevier
Flow and multicomponent reactive transport in saturated/unsaturated porous media are
modeled by ensembles of computational particles moving on regular lattices according to …

Computational orders of convergence of iterative methods for Richards' equation

N Suciu, FA Radu, JS Stokke, E Cătinaş… - arxiv preprint arxiv …, 2024‏ - arxiv.org
Numerical solutions for flows in partially saturated porous media pose challenges related to
the non-linearity and elliptic-parabolic degeneracy of the governing Richards' equation …

Space–time upscaling of reactive transport in porous media

N Suciu, FA Radu, IS Pop - Advances in Water Resources, 2023‏ - Elsevier
Reactive transport in saturated/unsaturated porous media is numerically upscaled to the
space–time scale of a hypothetical measurement through coarse-grained space–time …

Global random walk for one-dimensional one-phase Stefan-type moving-boundary problems: Simulation results

N Suciu, S Nepal, Y Wondmagegne, M Ögren… - arxiv preprint arxiv …, 2024‏ - arxiv.org
This work presents global random walk approximations of solutions to one-dimensional
Stefan-type moving-boundary problems. We are particularly interested in the case when the …

A Novel Data-driven Numerical Method for Hydrological Modeling of Water Infiltration in Porous Media

Z Song, Z Jiang - arxiv preprint arxiv:2310.02806, 2023‏ - arxiv.org
Root-zone soil moisture monitoring is essential for sensor-based smart irrigation and
agricultural drought prevention. Modeling the spatiotemporal water flow dynamics in porous …

[PDF][PDF] A data-driven random walk approach for solving water flow dynamics in soil systems

Z Song, Z Jiang - … of Computer-Aided Process Operations and …, 2023‏ - skoge.folk.ntnu.no
Modeling and predicting soil moisture is essential for precision agriculture, smart irrigation,
and drought prevention. In this work, we introduce a novel data-driven random walk (DRW) …

Models for capturing the penetration of a diffusant concentration into rubber: Numerical analysis and simulation

S Nepal - 2024‏ - diva-portal.org
Understanding the transport of diffusants into rubber plays an important role in forecasting
the material's durability. In this regard, we study different models, conduct numerical …

Iterative schemes for coupled flow and transport in porous media--Convergence and truncation errors

N Suciu, FA Radu, E Cătinaş - Journal of Numerical Analysis and …, 2024‏ - ictp.acad.ro
Nonlinearities of coupled flow and transport problems for partially saturated porous media
are solved with explicit iterative L-schemes. Their behavior is analyzed with the aid of the …

[PDF][PDF] A Data-driven Modeling Approach for Water Flow Dynamics in Soil

A Kokossis, MC Georgiadis, EN Pistikopoulos - 2023‏ - checlams.github.io
Modeling and predicting soil moisture is essential for precision agriculture, smart irrigation,
drought prevention, etc. Estimating root zone soil moisture from surface or near-surface soil …