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Conference 2007 - Boston

	3-D Modeling of a Differential Impedance Obstacle Detection Sensor for Horizontal Directional Drilling Operations Horizontal Directional Drilling (HDD) is a commonly used technology for the installation of pipelines, conduits and cables in urban areas and across obstacles such as rivers, railways and freeways. A main concern in using the HDD method... COMSOL Conference 2007, Boston J. N. Shah¹, A. Jaganathan¹, E. N. Allouche¹, M. Kieba², and C. J. Ziolkowski² ¹Louisiana Tech University, Ruston, LA, USA ²Gas Technology Institute, Chicago, IL, USA
	3-D Multiphysics FEM Modeling to Optimize Local Drug Delivery in a Biohybrid Device Designed for Cell Transplant To evaluate the possibility of achieving drug concentration levels required for localized immunosuppression and to optimize sustained, local delivery within small, subcutaneously implanted, prevascularized biohybrid devices designed to... COMSOL Conference 2007, Boston N. Bocca, C. Ricordi, N. S. Kenyon, P. Latta, and P. Buchwald Diabetes Research Institute, Leonard M. Miller School of Medicine, University of Miami, Miami, FL, USA
	3D Modeling and Simulation of the Thermal Performance of Solid Cyclotron Targets COMSOL Multiphysics was used to model and simulate the thermal performance of solid targets irradiated with charged particles.Results showed that materials with a high thermal conductivity to heat capacity ratio behave better in cooling... COMSOL Conference 2007, Boston M. A. Avila-Rodriguez¹, J. A. Sader¹, and S. A. McQuarrie^1,2 ¹Edmonton PET Centre, Cross Cancer Institute, University of Alberta, Edmonton, AB, Canada ²Faculty of Medicine and Dentistry, Division of Oncologic Imaging, University of Alberta, Edmonton, AB, Canada
	3D Modeling of a Surface-Acoustic-Wave (SAW) Based Sensor In this study, the effect of adding nanostructures to the sensitive layer and changing the layer’s material property on the characteristics of SAW propagation is investigated under two types of wave perturbation: an impulse wave... COMSOL Conference 2007, Boston Y. Rao¹, and G. Zhang^1,2 ¹Micro/Nano Bioengineering Laboratory, Athens, GA, USA ²Nanoscale Science and Engineering Center, Faculty of Engineering, The University of Georgia, Athens, GA, USA
	3D Modeling of Impedance Spectroscopy for Protein Detection in Nanoneedle Biosensors We present a preliminary investigation of a Nanoneedle biosensor as an ultra sensitive and localized impedance biosensor using COMSOL.This preliminary study was performed to prove the feasibility of the impedance biosensor for detection... COMSOL Conference 2007, Boston H. Esfandyarpour^1,2, A. Maiyegun¹, and R. W. Davis² ¹Center for Integrated Systems, Department of Electrical Engineering, Stanford University, Stanford, CA, USA ²Stanford Genome Technology Center, Stanford, CA, USA
	A Finite Element Analysis of the Influence of Morphology on Barrier Properties of Polymer-Clay Nanocomposites Nanocomposites, formed by dispersing a few weight-percent of nanometer-thick platelets of organically-coated montmorillonite clay in a variety of polymers, are being used in food packaging applications. The clay platelets reduce the... COMSOL Conference 2007, Boston D. L. Statler Jr., and R. K. Gupta Department of Chemical Engineering, West Virginia University, Morgantown, WV, USA
	A Highly Effective Cellular Manipulation and Sorting Platform Ferrofluids are stable colloidal suspensions of nanosize magnetic particles in an organic or aqueous medium. Suspending nonmagnetic particles within a ferrofluid has led to numerous new areas of study. The simultaneous action of magnetic... COMSOL Conference 2007, Boston A. Kose, B. Fischer, and H. Koser Electrical Engineering Department, Yale University, New Haven, CT, USA
	A Modeling Study of Diffusion Wear of Carbide Tools in Titanium Machining COMSOL Multiphysics has been used to model the temperature distribution produced inside a tool as a result of the forces and friction involved in a cutting process, along with the resulting diffusional flow of cobalt binder from the... COMSOL Conference 2007, Boston M. Crosskey and E. Gutierrez-Miravete Department of Engineering and Science, Rensselaer at Hartford, Hartford, CT, USA
	A Survey of Multiphysics Applications for Materials and Processes In this presentation, the following modeling applications are considered: Heat treatment of carbon fiber-epoxy parts Growth and contact of corrosion spot Gas saturation in epoxy cartridges Design of mechanical assembly for... COMSOL Conference 2007, Boston John Tanski Staff Engineer Los Alamos National Laboratory Los Alamos, NM
	Acoustic Transparency of Non-homogeneous Plates (with repeating inclusions) using Periodic Structures Methodology The paper addresses a class of problems for determining the acoustic interaction of time-harmonic plane waves impinging upon submerged elastic plates (fluid backed or void backed), that are infinite in extent.The plates can have repeated... COMSOL Conference 2007, Boston A. J. Kalinowski Naval Undersea Warfare Center/Div. Npt. Newport, RI, USA
	An Analysis of the Thermal Effects of Focused Laser Beams on Steel This paper reports the results of a heat conduction analysis of the laser heat treatment process of steel using analytical methods, a finite difference numerical method and the finite element method in COMSOL. Initially, simplified... COMSOL Conference 2007, Boston E. Rogers, and E. Gutierrez-Miravete Department of Engineering and Science, Rensselaer at Hartford, Hartford, CT, USA
	An Inverse Model for Estimating Arterial Wall Elasticity using the Immersed Boundary Method In this paper, we develop an inverse finite-element model for estimating elasticity of the arterial wall. We model the blood flow using COMSOL’s Structural Mechanics module, and use the resulting nonlinear functions corresponding to the... COMSOL Conference 2007, Boston A. Jeremic, and T. Gadkari McMaster Univerisity, Hamilton, ON, Canada
	Analysis of Small Multi-element Antennas Using the Eigenmode Solver The eigenmode solver is used to analyze the behavior of small multi-element antennas. We perform an eigenmode simulation of the shorted antenna structure, using perfectly matched layer (PML) outer boundaries, and for some simulations, we... COMSOL Conference 2007, Boston H. Stuart LGS, Bell Labs Innovations, Whippany, NJ, USA
	Analytical Methods for Reducing the Number of Independent Parameters Required to Model the Vocal Folds Mechanical tissue properties are required for reliable numerical models of the vocal folds. In this study, criteria for determining the compatibility of tissue property values obtained from independent studies are presented.Two methods... COMSOL Conference 2007, Boston D. D. Cook¹, E. Nauman¹, and L. Mongeau² ¹Department of Mechanical Engineering, Purdue University, West Lafayette, IN, USA ²Department of Mechanical Engineering, McGill University, Montréal, QC, Canada
	Benchmarking COMSOL Multiphysics 3.4 In this presentation, four benchmark problems are tested using COMSOL Multiphysics as well as other commercial software packages, comparing their performance. This is done for fluid-structure interaction, fully coupled electronic current... COMSOL Conference 2007, Boston Darrell Pepper Professor of Mechanical Engineering Director of the Nevada Center for Advanced Computational Methods (NCACM) University of Nevada, Las Vegas Las Vegas, NV
	Blending Classical and Practical Instruction in Structural Mechanics Using COMSOL COMSOL was used for the first time in the spring of 2007 in the course "Aerostructures" in the department of Mechanical Engineering at the Rochester Institute of Technology. The course is targeted at junior/senior students in the... COMSOL Conference 2007, Boston P. Venkataraman Dept. of Mechanical Engineering, Rochester Institute of Technology, Rochester, NY, USA
	Boundary Conditions for the Diffusion Equation Model in Room-acoustic Prediction This note proposes a modified boundary condition for the diffusion equation model to predict the reverberation times and sound pressure distributions in enclosures.While previous diffusion equation models usually only have good... COMSOL Conference 2007, Boston Y. Jing, and N. Xiang Graduate program of Architectural Acoustics, School of Architecture, Rensselaer Polytechnic Institute, Troy, NY, USA
	Calculating the Capacitance of Shielded Microstrip Lines This paper presents a numerical analysis for calculating the capacitance of singlestrip and double-strip shielded transmission lines. Modeling and simulation of the capacitance of shielded microstrip lines using COMSOL are illustrated. We... COMSOL Conference 2007, Boston S. M. Musa, and M. N. O. Sadiku College of Engineering, Prairie View A&M University, Prairie View, TX, USA
	Capacitance and Inductance Matrices for Multistrip Lines In this paper, we apply COMSOL Multiphysics, a finite element package, to compute the capacitance of a single centered microstrip line and the capacitance and inductance matrices of coupled multistrip lines. We compared our results with... COMSOL Conference 2007, Boston S. M. Musa, and M. N. O. Sadiku College of Engineering, Prairie View A&M University, Prairie View, TX, USA
	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

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Conference 2007 - Boston