Abstract
| Original language | English |
|---|---|
| Title of host publication | COMSOL Conference 2010 Paris |
| Subtitle of host publication | User presentations and proceedings |
| Publisher | COMSOL |
| Number of pages | 7 |
| ISBN (Print) | 978-0-9825697-7-1 |
| Publication status | Published - 2010 |
| MoE publication type | B3 Non-refereed article in conference proceedings |
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Keywords
- bentonite
- THM
- model
- numerical
Cite this
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Numerical implementation of a multivariable thermomechanical model for unsaturated bentonite. / Pulkkanen, Veli-Matti (Corresponding author); Olin, Markus.
COMSOL Conference 2010 Paris: User presentations and proceedings. COMSOL, 2010.Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific
TY - GEN
T1 - Numerical implementation of a multivariable thermomechanical model for unsaturated bentonite
AU - Pulkkanen, Veli-Matti
AU - Olin, Markus
N1 - Project code: 41534 PUSKURU2010
PY - 2010
Y1 - 2010
N2 - A compacted bentonite clay buffer is planned to be used as a part of the engineered barrier system in the KBS-3 concept for the disposal of spent nuclear fuel. Simulations together with experimental studies are needed to ensure that bentonite fulfills its safety functions in the concept. In this paper, one type of bentonite model, namely a thermomechanical model developed by Petri Jussila, is presented in brief and its numerical implementation with COMSOL Multiphysics 4.0a is discussed. The model describes bentonite as a mixture of four components: solid skeleton, liquid water, water vapour, and air. The system is defined by basic balance laws along with the somewhat complex constitutive equations that are based on a thermomechanical approach. Previously, the model has been implemented with software called Elmer by CSC - IT Center for Science and with an in-house code Numerrin by Numerola Oy that has made some extensions to the model.
AB - A compacted bentonite clay buffer is planned to be used as a part of the engineered barrier system in the KBS-3 concept for the disposal of spent nuclear fuel. Simulations together with experimental studies are needed to ensure that bentonite fulfills its safety functions in the concept. In this paper, one type of bentonite model, namely a thermomechanical model developed by Petri Jussila, is presented in brief and its numerical implementation with COMSOL Multiphysics 4.0a is discussed. The model describes bentonite as a mixture of four components: solid skeleton, liquid water, water vapour, and air. The system is defined by basic balance laws along with the somewhat complex constitutive equations that are based on a thermomechanical approach. Previously, the model has been implemented with software called Elmer by CSC - IT Center for Science and with an in-house code Numerrin by Numerola Oy that has made some extensions to the model.
KW - bentonite
KW - THM
KW - model
KW - numerical
M3 - Conference article in proceedings
SN - 978-0-9825697-7-1
BT - COMSOL Conference 2010 Paris
PB - COMSOL
ER -