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COMSOL コンファレンス 2020 論文集を見る

Geophysics and Geomechanicsx

Predictive Model of Landfill Settlement with COMSOL Multiphysics® Employing (THMB) Coupled Processes

M. S. Mousavi1, J. Eun1
1Department of Civil and Environmental Engineering, University of Nebraska-Lincoln

Municipal Solid Waste (MSW) landfills typically experience significant settlement associated with various multi-physical factors such as waste property, placement timing, total height, and environmental conditions such as temperature and saturation throughout the lifetime of the ... 詳細を見る

Aquifer Pumping Test Evaluation: 1D Classical vs. 2D Numerical Solutions

E. Holzbecher1
1German University of Technology in Oman

In a pumping test the drawdown of the water table in a piezometer is recorded, as response to pumping from a nearby well. Pumping tests belong into the common toolbox of hydro-geologists, used to obtain basic parameters for aquifer characterization. There are various approaches to ... 詳細を見る

Thermal Heterogeneity Induced by Smouldering Combustion in Homogeneous Porous Medium

S. Z. Miry1, Dr. M. A.B. Zanoni1, J. Gerhard1
1Western University, London, Canada

Smouldering is flameless combustion which depends on an exothermic surface reaction occurring within a porous medium. It is harnessed by engineers to destroy organic liquid wastes in soil as the technology Self-sustaining Treatment for Active Remediation (STAR). During this remediation ... 詳細を見る

Statistics of Numerical Experiments with Multi-Fracture Systems

E. Holzbecher1
1German University of Technology, Halban, Oman

Modeling of fractured porous media systems is currently of high interest in various academic and applied fields, mainly in the geological and material sciences. The very different scales of the region of an application case on the larger end and the fracture on the lower end pose a ... 詳細を見る

Fully Coupled Hydro-Mechanical Modeling of Hydraulic Fracturing in Barnett Shale Formation

M. Jarrahi1, H. M. Holländer1
1University of Manitoba, Winnipeg, MB, Canada

The unconventional shale gas reservoirs have a major contribution to hydrocarbon production in recent years. The hydraulic stimulation technique is being used to enhance the productivity of the target reservoirs. The drilled wellbore and existing natural fractures in the host rocks have ... 詳細を見る

Lagrangian Free Subduction Model Based on Viscoelastic Material using COMSOL Multiphysics®

J. Keum[1], B. So[1]
[1]Kangwon National University, Korea, Republic of

Subduction, the process through which the cold and dense oceanic lithosphere sinks into the highly viscous mantle, is the main driving force of plate tectonics and is important for recycling the Earth's materials. Active subduction has not been observed in any other planet in our solar ... 詳細を見る

Buckling Structure Modeling of Viscoelastic Lithosphere Using COMSOL Multiphysics®

S. Do[1], B. So[1]
[1]Kangwon National University, Korea, Republic of

COMSOL Multiphysics® is used in various engineering fields and has recently been introduced as an efficient tool to solve certain geophysical problems. We used this software to study the mechanisms associated with the buckling formation at a plate-tectonic scale on Earth. Buckling is not ... 詳細を見る

Numerical Simulations of Near-Surface Stress Perturbation Caused by Erosion-Induced Isostatic Rebound of Viscoelastic Lithosphere

H. Lee[1], B. So[1]
[1]Kangwon National University, Korea, Republic of

In plate tectonics, the relative motion between plates at a plate boundary generates tectonic stress, and most earthquakes occur at these plate boundaries. However, only a small proportion of earthquakes occur in plate interiors, such as the 1811–12 New Madrid Earthquake (8.1 Mw) in the ... 詳細を見る

Geophysical Fluid Dynamics: Modelling Non-Linearly Viscous Ice-Flow to Obtain Dates of Flow Change

R. Hindmarsh[1]
[1]British Antarctic Survey and Durham University, United Kingdom

Ice flows because at low stresses it deforms viscously; the viscosity depends upon the stress. The lubrication approximation (LA) states shear stress is proportional to the product of the ice depth and surface slope. At ice divides the slope and shear stress are zero meaning the ... 詳細を見る

Hydromechanical Model of Geological Carbon Sequestration in Saline Aquifers

J. Torres[1], I. Bogdanov[1], M. Boisson[2]
[1]UPPA/CHLOE, France
[2]Total SA, France

Geological Carbon Storage (GCS) is viewed as a viable option to reduce Carbon Dioxide (CO2) emissions. In particular, CO2 injection into deep saline formations (DSF) has been the subject of numerous investigations during the last decade, including pilot and demonstration projects [Reiner ... 詳細を見る