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Modeling Internal Erosion Processes in Soil Pipes

J. L. Nieber [1], G. V. Wilson [2], G. A. Fox [3],
[1] University of Minnesota, St. Paul, MN, USA
[2] United States Department of Agriculture - Agricultural Research Service National Sedimentation Laboratory, Oxford, MS, USA
[3] North Carolina State University, Raleigh, NC, USA

The erosion of the interior of soil pipes is an important process in the fields of geomechanics and geomorphology. Soil pipes can form in water holding ...

Numerical Inversion of Surface Deformation at Long Valley Caldera (California) By Using 3D Mechanical Models

S. Pepe, P. Tizzani, and A. Manconi
IREA-CNR, Napoli, Italy

We use 3D numerical models to analyze the ground deformation observed at Long Valley Caldera (LVC) between 1992 and 2000 via space-based geodetic ...

Analysis of Multiphysics Problems Related to Energy Piles

E. Evgin[1], J.A.I. Sedano [1], Z. Fu[1]
[1]University of Ottawa, Ottawa, ON, Canada

Energy piles transfer the mechanical loads from buildings to the ground and serve as heat exchangers. Temperature changes in the ground influence its ...

Groundwater Flow and Solute Transport Modeling in the SFR Nuclear Waste Repository

E. Abarca[1], A. Idiart[1], O. Silva[1], L.M. de Vries[1], J. Molinero[1], F. Vahlund[2], H. von Schenck[2]
[1]Amphos21 Consulting, Barcelona, Spain
[2]Swedish Nuclear Fuel and Waste Management Co., Stockholm, Sweden

The Swedish Nuclear Fuel and Waste Management Company (SKB) operates the underground repository for low- and intermediate-level nuclear waste (SFR) ...

Simulation of Groundwater Flow Patterns around a Vertical Circulation Well - new

Y. Jin[1], E. Holzbecher[2], S. Ebneth[2], A. B. Tatomir[1]
[1]Department of Applied Geology, GZG, Georg-August- University of Göttingen, Göttingen, Germany
[2]Hölscher Wasserbau GmbH, Haren, Germany

Vertical circulation wells (VCWs) are well system consisting dual-screened sections allowing synchronous extraction and injection of groundwater in a ...

Geomagnetic Modeling with COMSOL Multiphysics® Software - new

G. Ha[1], S. S. Kim[1], J. H. Kim[1]
[1]Chungnam National University, Daejeon, Korea

Here we aim to advance geomagnetic modeling approaches using COMSOL Multiphysics® software and improve the degree of detail that can be obtained from ...

Earthquake and Volcano Clustering at Mono Basin (California)

D. La Marra[1], A. Manconi[2], and M. Battaglia[1]
[1]Dept of Earth Sciences, University of Rome “La Sapienza”, Roma, Italy
[2]IRPI-CNR, Strada delle Cacce, Torino, Italy

This study investigates the feedback between fault slip and dike intrusions during the Mono-Inyo eruption sequence of ~1350 A.D. (Mono Basin, ...

Absorbing Boundary Domain for CSEM 3D Modeling

J. Park[1], T.I. Bjørnarå[1], and B.A. Farrelly [2]
[1]Norwegian Geotechnical Institute(NGI), Oslo, Norway
[2]MultiField Geophysics AS, Norway

In the study, we present an efficient absorbing boundary domain technique whose main application is the 3D finite element (FE) modelling of the so ...

Ability of Single-Well Injection-Withdrawal Experiments to Estimate Ground Water Velocity

F. Maier[1], K. Hebig[2], Y. Jin[1], and E. Holzbecher[1]
[1]Georg-August Universität Göttingen, Göttingen, Germany
[2]Technical University Berlin, Berlin, Germany

The authors present a closer look on the Single-Well Injection-Withdrawal Experiment (SWIW) or Push-Pull Experiments and its ability to determine the ...

Extraction of Thermal Characteristics of Surrounding Geological Layers of a Geothermal Heat Exchanger by COMSOL Multiphysics® Simulations - new

N. Aranzabal[1], J. Martos[1], J. Soret[1], J. Torres[1], R. García-Olcina[1], Á. Montero[2]
[1]Technical School of Engineering, University of Valencia, Valencia, Spain
[2]Department of Applied Physics, Politechnical University of Valencia, Valencia, Spain

It has been demonstrated that is possible obtain the thermal parameters of geological layers of a BHE (Borehole Heat Exchanger) by fitting temperature evolution in an observer pipe inserted into borehole.