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Papers & Presentations

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Showing results 1 - 20 of 45

Hydrology, Subsurface Flow

	Ability of Single-Well Injection-Withdrawal Experiments to Estimate Ground Water Velocity The authors present a closer look on the Single-Well Injection-Withdrawal Experiment (SWIW) or Push-Pull Experiments and its ability to determine the groundwater velocity, as one of the major parameters concerning reservoir management and... COMSOL Conference 2011, Stuttgart F. Maier¹ , K. Hebig² , Y. Jin¹ , and E. Holzbecher¹ ¹ Georg-August Universität Göttingen, Göttingen, Germany ² Technical University Berlin, Berlin, Germany
	A Coupled Analysis of Heat and Moisture Transfer in Soils This paper is a part of a study on energy piles for heating and cooling of buildings. Energy piles are used for two reasons: (1) to transfer structural loads to foundation soils, and (2) to transfer heat from foundation soils to the... COMSOL Conference 2011, Boston E. Evgin, J. Infante Sedano, and Z. Fu University of Ottawa Ottawa, ON Canada
	A Finite Element Test of the 2002-2003 Etna Eruption Structural, morphological and ground deformation studies suggest that the eastern flank of Mt. Etna (eastern Sicily) is spreading seaward. Three contrasting models have been proposed: deep-seated spreading, shallow sliding and tectonic... COMSOL Conference 2009, Milan F. Pulvirenti¹ ² , M. Aloisi¹ , G. De Guidi² , M. Mattia¹ , and C. Monaco² ¹ Istituto Nazionale di Geofisica e Vulcanologia, Sezione di Catania, Catania, Italy ² Dipartimento di Scienze Geologiche, Università di Catania, Catania, Italy
	A New Approach to Simulation and Upscaling of Single-Phase Flow Through Vuggy Carbonates Numerical modeling of flow through vuggy porous media, mainly vuggy carbonates, is a challenging endeavor. Its modeling using coupled Darcy-Stokes equations poses several numerical challenges particularly with respect to specification of... COMSOL Conference 2009, Milan M. Pal¹ ¹ Shell International Exploration and Production B.V., Rijswijk, The Netherlands
	An Extension of Lauwerier’s Solution for Heat Flow in Saturated Porous Media One of the crucial topics in this century is sustainable energy. In this respect, the exploitation of geothermal energy from deep hot aquifers becomes opportune. Hence, insight is required in the heat balance of potential aquifer systems.... COMSOL Conference 2009, Milan S. Saeid¹ and F.B.J. Barends² ¹ Technical University of Delft, Delft, The Netherlands ² Deltares and TU-Delft, Delft, The Netherlands
	A Semplified Model for the Evolution of a Geothermal Field The problem is to understand how a geothermal field can evolve from a water dominated state into a vapor dominated one. A first answer to this question is given by a simplified mathematical model of the dynamics of a geothermal field in... COMSOL Conference 2009, Milan L. Meacci¹ , A. Farina¹ , F. Rosso¹ , I. Borsi¹ , M. Ceseri¹ , and A. Speranza¹ ¹ Dipartimento di Matematica U. Dini, Università degli Studi di Firenze, Firenze, Italy
	Assessment of Spatial Variably Saturated Flow by Irrigation Moisture Sensors in 2-Dimensions using the COMSOL Multiphysics 4.1 This paper reports on the application of COMSOL Multiphysics’ Richard\'s Equation Interface in the assessment of irrigation moisture sensors for detecting the level of water saturation in a spatial variably saturated soil. The... COMSOL Conference 2011, Boston A. Boluwade, and C. A. Madramootoo Bioresources Engineering, McGill University Ste. Anne De Bellevue, QC Canada
	Benchmark Calculations with COMSOL of the Transport of Radionuclides Through Clay and Bentonite Barriers in a Geological Repository A benchmark study was carried out by the Swiss Nuclear Safety Inspectorate (ENSI) in collaboration with the Laboratory for Waste Management (LES) of the Paul Scherrer Institute (PSI) in order to evaluate the capabilities of the program... COMSOL Conference 2009, Milan M.L. Sentís¹ , F. Altorfer¹ , M. Herfort¹ , A. Jakob² , G. Kosakowski² , and S. Friedel³ ¹ Swiss Federal Nuclear Safety Inspectorate, Villigen, Switzerland ² Paul Scherrer Institute, Villigen, Switzerland ³ COMSOL Multiphysics GmbH, Zürich, Switzerland
	Boundary Element Technique in Petroleum Reservoir Simulation Petroleum reservoir simulation is a process of modeling the complex physical phenomena inside a reservoir. This study presents an application of an analytical based numerical scheme so called the Boundary Element Method (DRBEM). It is... COMSOL Conference 2011, Boston M. Liu, and G. Zhao University of Regina Regina, SK Canada
	Channels and Melting in Deformable Porous Media Partial melting occurs beneath mid-ocean ridges in Earth's mantle and the resulting liquid migrates to the surface to form a new oceanic crust. In this system, mass can be exchanged between the liquid and solid phases through melting and... COMSOL Conference 2007, Boston S. L. Butler Department of Geological Sciences, University of Saskatchewan, SK, Canada
	Computational Science and Engineering at DuPont Rick has a BS in Physics, a ScM in Geological Sciences, and a PhD in Physics. He worked at Air Force Geophysics Laboratory, Conoco Petroleum Exploration Research, and, since 1989, has been at the DuPont Experimental Station. In this... COMSOL Conference 2011, Boston R. Nopper Dupont Engineering Research & Technology Wilmington, DE
	Computation of the Longitudinal Dispersion Coefficient in an Adsorbing Porous Medium Using Homogenization The method to derive upscaled expressions for the dispersion coefficients for reactive flow in a porous medium uses a periodic unit cell (PUC), which consists for instance of a spherical grain in a cube, but nothing prohibits defining... COMSOL Conference 2009, Milan A. Rijnks¹ , M. Darwish² , and H. Bruining³ ¹ StatoilHydro ASA, Bergen, Norway ² Shell Exploration & Production International Centre, Rijswijk, The Netherlands ³ Section of Geoengineering, Faculty of Civil Engineering and Geosciences, TU Delft, Delft, The Netherlands
	COMSOL Modeling of Groundwater Flow and Pollutant Transport in a Two-Dimensional Geometry with Heterogeneities The Delmarva Peninsula is located on the East Coast of the United States, between the Chesapeake Bay and Atlantic Ocean. Industrial farming in the Delmarva Peninsula leads to levels of nutrients nitrogen, which grossly exceed natural... COMSOL Conference 2011, Boston M. Gobbert, M. Whitmore, B. Peercy, M. Baker, and D. Trott University of Maryland Baltimore County Baltimore, MD
	Coupled Gas Flow and Thermal and Reactive Transport in Porous Media for Simulating Waste Stabilization Phenomena in Semi-Aerobic Landfill Semi-aerobic landfill has interesting structure that passively provides the atmospheric oxygen into landfilled waste due to the heat convection generated by the decomposition of landfilled waste. There are limited studies on the... COMSOL Conference 2011, Boston H. Ishimori, K. Endo, T. Ishigaki, H. Sakanakura, and M. Yamada National Institute for Environmental Studies Tsukuba, Ibaraki Japan
	Coupled Models of Lithospheric Flexure and Magma Chamber Pressurization at Large Volcanoes on Venus We present an implementation of the Structural Mechanics module of COMSOL Multiphysics to model the state of stress associated with the emplacement of large volcanic edifices on the surface of a planet. These finite element models capture... COMSOL Conference 2009, Boston G. Galgana¹ , P. McGovern² , and E. Grosfils² ¹ Lunar and Planetary Institute, Houston, Texas, USA ² Pomona College, Claremont, California, USA
	Coupling COMSOL to PHREEQC We present a software tool for simulations of flow and multi-component solute transport in two- and three-dimensional domains in combination with comprehensive intra-phase and inter-phase geochemistry. The software uses IPhreeqc as a... COMSOL Conference , L. Wissmeier and D.A. Barrya, Ecole Polytechnique Fédérale de Lausanne (EPFL), Laboratoire de Technologie Ecologique, Station 2, CH-1015 Lausanne, Switzerland
	Coupling COMSOL’s Subsurface Flow Module with Environmental Geochemistry in PHREEQC We present a software tool for simulations of subsurface flow and solute transport in combination with comprehensive intra-phase and inter-phase geochemistry. The software uses PHREEQC as a reaction engine to COMSOL Multiphysics®. The... COMSOL Conference 2011, Stuttgart L. Wissmeier¹ , and D. A.Barry² ¹ GIT HydroS Consult GmbH, Freiburg, Germany ² EPFL, Lausanne, Switzerland
	Direct Pore-scale Modeling of Two-phase Flow Through Natural Media Direct numerical simulation of single- and two-phase flow in real pore systems is addressed in our paper. The X–ray computed micro-tomography technique has been applied first to reconstruct in details a real pore space of a... COMSOL Conference 2011, Stuttgart I. Bogdanov, J. Kpahou, and A. Kamp Open and Experimental Centre for Heavy Oil (CHLOE) University of Pau Pau, France
	Effect of S-p Relation Model on DNAPL Migration Simulation Result To consider effective counter measures against ground water contaminated with dense non-aqueous phase liquids (DNAPLs) such as chlorinated solvents, it is first important to understand the mechanism of their migration in... COMSOL Conference 2009, Boston H. Ishimori¹ , and K. Endo¹ ¹ National Institute for Environmental Studies, Tsukuba, Ibaraki, Japan
	Elastoplastic Models of the Interaction between Active Fronts of the Southern Alps and Dinarides (NE Italy and NW Slovenia) We use GPS measurements and Finite Element analysis to investigate strain accumulation in the interaction between active fronts of the Southern Alps and Dinarides at the northern edge of the Adriatic micro-plate. We develop a three... COMSOL Conference 2009, Milan M. Coccia¹ , E. Carminati¹ , F. Rolandone² , M. Battaglia¹ , D. Zuliani³ , and P. Fabris³ ¹ Università La Sapienza, Roma, Italy ² Université Pierre et Marie Curie, Paris, France ³ Centro Ricerche Sismologiche, Udine, Italy

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Hydrology, Subsurface Flow