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Geophysics and Geomechanics

	3-D Multiphysics Modeling of a Producing Hydrocarbon Field Thermal anomalies indicating elevated temperatures often are present in producing hydrocarbon fields. This paper discusses precision temperature logs obtained over a salt dome in the Bayou Bleu hydrocarbon field in southwest Lousiana,... COMSOL Conference 2005, Boston McKenna, J.R.1, Blackwell, D.D.2 1 U.S. Army Engineer Research & Development Center, Geotechnical & Structures Laboratory, Vicksburg, Mississippi 2 Department of Geological Sciences, Southern Methodist University, Dallas, Texas
	3D Finite Element Models of Ground Deformation and Stress Field in a Viscoelastic Medium A 3D finite element model was used to evaluate the time dependent ground deformation and the stress change caused by a pressure source embedded in a viscoelastic medium. In volcanic areas, the presence of inhomo-geneous materials and high... COMSOL Conference 2007, Grenoble D. Scandura^1,2, G. Currenti¹, and C. Del Negro¹ ¹Istituto Nazionale di Geofisica e Vulcanologia, Sezione di Catania, Catania, Italy ²Dipartimento di Matematica e Informatica, Università di Catania, Catania, Italy
	Absorbing Boundary Domain for CSEM 3D Modeling In the study, we present an efficient absorbing boundary domain technique whose main application is the 3D finite element (FE) modelling of the so-called controlled-source electromagnetic (CSEM) data, collected for the geophysical... COMSOL Conference 2010, Paris J. Park¹ , T.I. Bjørnarå¹ , and B.A. Farrelly ² ¹ Norwegian Geotechnical Institute(NGI), Oslo, Norway ² MultiField Geophysics AS, Norway
	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 Mass-consistent Atmospheric Model using FEMLAB Optimization The assurance of mass consistency in constructing 3-D atmospheric velocity fields is important when developing accurate numerical simulations. The implementation of a mass consistent wind field is typically undertaken using available... COMSOL Conference 2005, Boston Wang, X., Pepper, D.W. University of Nevada, Las Vegas, Department of Mechanical Engineering, Las Vegas, NV
	Analog and FEM Models of Lava Dome Dynamics Extrusion of highly viscous lavas that spread laterally and form lava domes in craters of large volcanoes is associated with significant volcanic hazards. Gas overpressure driven fragmentation of the lava dome or collapse and slumping of... COMSOL Conference 2011, Boston P. Vincent¹ , and P. Zevada² ¹ College of Earth, Ocean and Atmospheric Sciences, Oregon State University, Oregon ² Dept. of Tectonics and Geodynamics, Institute of Geophysics ASCR, v.v.i., Prague, Czech Republic
	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 Numerical Simulation of Adsorption Using Non-Standard Isotherm Equations in COMSOL Numerical simulations of the equation of transport were performed using an adsorption isotherm equation, and a simple cubic polynomial. The 1D COMSOL implementation included solutes being injected from one face of a homogeneous, isotropic... COMSOL Conference 2008, Boston A. Ortiz-Tapia, D. Lopez-Falcon, M. Diaz-Viera, S. Lopez-Ramirez, and J. Mendoza-dela-Cruz Instituto Mexicano del Petroleo, D. F., Mexico
	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
	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
	Building a Robust Numerical Model for Mass Transport Through Complex Porous Media Mass transport modelling through porous media is typically characterized by complex physics and geometry. In the particular case of radionuclide transport, modelling for radioactive waste repositories, an additional level of complexity,... COMSOL Conference 2008, Hannover J. Perko¹ , D. Mallants¹ , E. Vermariën² , and W. Cool² ¹ Belgian Nuclear Research Centre (SCK-CEN), Mol, Belgium ² Belgian Agency for Radioactive Waste and Enriched Fissile Material (ONDRAF/NIRAS), Mol, Belgium
	Can Subsurface Water Flow be Sensed Magnetically? Results from Electrokinetic Volcano Simulations Today, geophysical exploration can provide information on the interior of volcanoes even before the edifice is mechanically destroyed by measuring physical fields at the surface and interpreting them with the help of sophisticated... COMSOL Conference 2005, Boston Friedel, S. FEMLAB GmbH, Zürich
	Chesapeake Bay Analysis using Time and Spatial Generalized Eigenfunctions A Normal Mode Analysis of the Chesapeake Bay has reached the phase of performing a time-series analysis. Prior attempts using generalized eigenfunctions obtained from COMSOL have led to extraction of power spectra using a partial domain... COMSOL Conference 2007, Boston K. McIlhany¹ and R. Malek-Madani² ¹Physics Department, United States Naval Academy, Annapolis, MD, USA ²Mathematics Department, United States Naval Academy, Annapolis, MD, USA
	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 2D Simulation of Heavy Oil Recovery by Steam Assisted Gravity Drainage Multiphysics flexibility and computational performance of COMSOL gave us the idea to model SAGD (steam assisted gravity drainage), one of the popular thermal methods of oil recovery. The modeling is far from straightforward and requires... COMSOL Conference 2007, Grenoble I. I. Bogdanov, K. El Ganaoui, and A. M. Kamp Centre Huile Lourde Ouvert et Expérimental (CHLOE), Pau, France
	COMSOL Implementation for Upscaling of Two-Phase Immiscible Flows in Communicating Layered Reservoirs Waterflooding is widely used in secondary oil recovery. The physics is described by the model of two-phase flow in porous media. The aim of the present work is to implement this model in COMSOL Multiphysics and to simulate the process of... COMSOL Conference 2010, Paris X. Zhang, A. Shapiro, and E.H. Stenby Center for Energy Resources Engineering, Technical University of Denmark, Lyngby, Denmark
	COMSOL Modeling of a Submarine Geothermal Chimney New geothermal energy sources hold promise for the future. Deep submarine geothermal energy related to hydrothermal vents is emerging in many places along the oceanic spreading centers. Shallow submarine geothermal systems are found near... COMSOL Conference 2008, Boston M. Suárez ¹ , and F. Samaniego ² ¹ Faculty of Sciences, Michoacán University (UMSNH), Morelia, Michoacan, Mexico ² Faculty of Engineering Postgrade Studies Division, National University of Mexico (UNAM), Mexico City, Mexico
	COMSOL Multiphysics, TOUGHREACT and Numerrin Comparison in Some Modelling Tasks of Spent Nuclear Fuel Disposal Bentonite clay is used as a protecting barrier around both the copper capsules in deposition holes and in deposition tunnels in the KBS-3 final disposal concept for spent nuclear fuel. The performance of these bentonite barriers will be... COMSOL Conference 2010, Paris A. Itälä¹ , V-M. Pulkkanen¹ , M. Laitinen² , M. Tanhua-Tyrkkö¹ , and M. Olin¹ ¹ VTT Technical Research Centre of Finland, Espoo, Finland ² Numerola Oy, Jyväskylä, Finland
	Coupled Heat and Water Flow in Variably-saturated Porous Media Simultaneous measurement of coupled water and heat transport in variably saturated porous media is achieved with the heat pulse probe (HPP). The heat needle of the HPP generates a heat pulse, whereas at various strategically placed... COMSOL Conference 2007, Boston T. Kamai, and J. W. Hopmans Department of Land, Air and Water Resources, University of California, Davis, CA, USA

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Geophysics and Geomechanics