[HTML][HTML] Non-isothermal consolidation: A systematic evaluation of two implementations based on multiphase and richards equations

M Pitz, S Kaiser, N Grunwald, V Kumar… - International Journal of …, 2023 - Elsevier
In this paper, the governing equations of non-isothermal two-phase flow in unsaturated,
deformable porous media are presented based on different representations of the gaseous …

Modelling of preferential gas flow in saturated bentonite using a bimodal, strain-dependent pore model

E Radeisen, H Shao, J Hesser, D Naumov, W Wang… - Applied Clay …, 2024 - Elsevier
This paper presents a novel strain-dependent water retention model for improved predictive
modelling of localized gas flow in bentonite. The proposed model uses fundamental material …

An international study on THM modelling of the Full-Scale Heater experiment at Mont Terri Laboratory

BJ Graupner, K Thatcher, L Friedenberg, R Guo… - … for Energy and the …, 2025 - Elsevier
We present results from an international model comparison study of the Full-Scale
Emplacement (FE) experiment in Opalinus Clay at the Mont Terri Laboratory, Switzerland …

Objective equations of heat conduction in deformable bodies

A Morro - Mechanics Research Communications, 2022 - Elsevier
The paper is devoted to the modeling of heat conduction in deformable media. The
constitutive functions are in the form of rate equations which generalize the Maxwell …

Benchmarking a new TH2M implementation in OGS-6 with regard to processes relevant for nuclear waste disposal

M Pitz, N Grunwald, B Graupner, K Kurgyis… - Environmental Earth …, 2023 - Springer
In this paper, thermo-hydro-mechanically (THM) coupled processes triggered during the
construction, operation and closure of a deep geological repository for heat generating, high …

Thermal Modeling of Geosynthetics and Earth Structures in a Changing Climate: Overview and Future Challenges

A Ibrahim, MA Meguid, K Dang, T Yacoub - International Journal of …, 2024 - Springer
In recent decades, the thermal analysis of soil and earth structures has gained significant
importance, driven primarily by the implications of climate change. This review offers a …

A numerical analysis of Thermo–Hydro–Mechanical behavior in the FE experiment at Mont Terri URL: Investigating capillary effects in bentonite on the disposal …

T Kim, CH Park, C Lee, JS Kim, ES Park… - … for Energy and the …, 2024 - Elsevier
We investigated thermo–hydro–mechanical (TH–M) coupled behavior observed during the
full-scale heater emplacement experiment at the Mont-Terri underground research …

Extended analysis of benchmarks for gas phase appearance in low-permeable rocks

N Grunwald, T Nagel, M Pitz, O Kolditz - Geomechanics and Geophysics …, 2023 - Springer
This manuscript presents a comprehensive study on the numerical simulation of gas
transport in clay rock using the finite-element method, with a specific focus on the transition …

The relevance of two-phase flow in the thermo-hydro-mechanical evolution of clay formations exposed to high temperatures by heat-emitting waste

J Buchwald, N Grunwald, W Wang, H Shao… - Applied Thermal …, 2025 - Elsevier
We compare two-phase flow and Richards flow implementations in OpenGeoSys-6 to model
the thermo-hydro-mechanical evolution of heat-emitting waste in clay stone formations. Our …

Design-of-Experiment (DoE) based history matching for probabilistic integrity analysis—A case study of the FE-experiment at Mont Terri

J Buchwald, O Kolditz, T Nagel - Reliability Engineering & System Safety, 2024 - Elsevier
We present an application of design-of-experiment (DoE) based history matching as an
approach to reduce and investigate parameter uncertainties in finite-element models for …