Papers & Presentations

Showing results 1 - 20 of 75

Conference 2006 - Boston

3-D Finite Element Modeling of a Nanostructure Enhanced SAW Sensor 3-D Finite Element Modeling of a Nanostructure Enhanced SAW Sensor

Integration of surface acoustic wave (SAW) devices with nanostructures has gained interest in the development of sensors with high sensitivity. To better design nanostructure integrated SAW devices, it is essential to model three...
COMSOL Conference 2006, Boston
Y.L. Rao1 , and G. Zhang1-3
1 Micro/Nano Bioengineering Laboratory, Department of Biological and Agricultural Engineering, The University of Georgia
2 Nanoscale Science and Engineering Center, The University of Georgia
3 Faculty of Engineering, The University of Georgia

3D Scanning for simulations 3D Scanning for simulations

In this work, we present the principles of 3D scanning. 3D scanning is the process of taking an object in the real world and through finding the relative phase in camera coordinates and projector coordinates, produces a 3D model.
COMSOL Conference 2006, Boston
N. Nuar
Rutgers University

3D Temperature Distribution during Self-Propogating High-Temperature Synthesis of Advanced Ceramics 3D Temperature Distribution during Self-Propogating High-Temperature Synthesis of Advanced Ceramics

Self-propagating High-temperature Synthesis (SHS) is an economical process to produce quality advanced ceramics. In this work, SHS of solid oxide fuel (SOFC) cathode materials was modeled using COMSOL Multiphysics.
COMSOL Conference 2006, Boston
I. Selig1 , S. Lin1 , D.L. Cocke1 , and D. Luss2
1 Lamar University
2 University of Houston

A Comparison of FDFD and FEM Methods Applied to the Buried Mine Problem A Comparison of FDFD and FEM Methods Applied to the Buried Mine Problem

The major impediment to detection and characterization of low dielectric contrast nonmetallic buried in soil is the distorting and masking effects of clutter from rough ground surfaces and soil volumetric inhomogeneities. In this work,...
COMSOL Conference 2006, Boston
R. W. Gamache, C. Rappaport, and M. Farid.
TransTech Systems inc., Northeastern University

Activation Imaging of the Heart using Diffusion Models Activation Imaging of the Heart using Diffusion Models

The inverse problem of electrocardiography involves determining information about the electrical activity of the heart from measurements on the body surface. The estimation of certain physiological parameters can potentially improve early...
COMSOL Conference 2006, Boston
R. Abou-Marie, and A. Jeremic
McMaster University, Canada

Analysis of Solar Hot Water Storage Analysis of Solar Hot Water Storage

In a Solar Hot Water System, the hot water from the solar collector enters at the top of the storage tank. A relevant question concerning the storage is what will the outlet temperature be. In the present work we present a way to...
COMSOL Conference 2006, Boston
K.O. Lund
Applied Chemical and Engineering Systems

Applied Multiphysics in Thermoresistive and Magnetoresistive Sensor Models Applied Multiphysics in Thermoresistive and Magnetoresistive Sensor Models

Efficient, effective, and functional operation of autonomous systems requires a comprehensive real-time understanding, by those systems, of the embedding environment. This paper presents a brief overview of the multiphysics...
COMSOL Conference 2006, Boston
R.W. Pryor
Pryor Knowledge Systems, Inc.
COMSOL, Certified Partner

Applying Grain Continuum Models to Stress Induced Grain Evolution in Next Generation Integrated Circuit Interconnects Applying Grain Continuum Models to Stress Induced Grain Evolution in Next Generation Integrated Circuit Interconnects

We discuss the use of 3D grain continuum modeling to study grain boundary migration driven by differences in strain energy density. COMSOL Multiphysics is used to compute stresses and strain energy densities in polycrystalline...
COMSOL Conference 2006, Boston
D.N. Bentz, M. Bloomfield, J-Q. Lu, R.J. Gutmann, and T.S. Cale
Focus Center—New York, Rensselaer: Interconnects for Hyperintegration

Better Understanding of Resonance through Modeling and Visualization Better Understanding of Resonance through Modeling and Visualization

Students encounter cavity resonance and waveguide phenomena in acoustics courses and texts, where the study is usually limited to cases with simple geometries: parallelepipeds, cylinders, and spheres. At Kettering University, we are...
COMSOL Conference 2006, Boston
D.O. Ludwigsen, C. Jewett, and M. Jusczcyk
Kettering University

Chemical Pulse Dynamics and Control in Microdesigned Catalysts: Phenomena, Modeling and Computational Wrappers Chemical Pulse Dynamics and Control in Microdesigned Catalysts: Phenomena, Modeling and Computational Wrappers

We study the effect of two-dimensional composite catalyst geometry and spatiotemporal laser heating on the dynamics of CO oxidation on a Pt (110) surface. The project involves a combination of modeling, computation and...
COMSOL Conference 2006, Boston
L. Qiao, and I.G. Kevrekidis
Department of Chemical Engineering, Princeton University

Combustion of Lean Methane in a Catalytic Flow Reversal Reactor Combustion of Lean Methane in a Catalytic Flow Reversal Reactor

The combustion of lean methane in a catalytic flow reversal reactor (CFRR) is studied using COMSOL Multiphysics and a 2D continuum model. This model is based on mole and energy balance equations for the solid (the inert and catalytic...
COMSOL Conference 2006, Boston
C. Devals1 , A. Fuxman2 , F. Bertrand,1 , J.F. Forbes2 , and R.E. Hayes2
1 École Polytechnique de Montréal,
2 University of Alberta

Comparison of Two-Dimensional PEM Fuel Cell Modeling using COMSOL Multiphysics Comparison of Two-Dimensional PEM Fuel Cell Modeling using COMSOL Multiphysics

Two different two-dimensional mathematical models of the one PEM fuel cell are modeled using COMSOL Multiphysics, each considering a different cross-section. The first Models considers the influence of fluid behavior in the channel, while...
COMSOL Conference 2006, Boston
Z. Shi, X. Wang, and Z. Zhang
Oakland University, Rochester, MI

Computer Modelling of Deformable non-Newtonian Flow using COMSOL Multiphysics Computer Modelling of Deformable non-Newtonian Flow using COMSOL Multiphysics

This presentation is concerned with the modelling of deformable non-Newtonian Flow using COMSOL Multiphysics. This general modelling approach has more concrete applications such as paper coating in a metering size press, meniscus...
COMSOL Conference 2006, Boston
H.A. Lecuyer1 , F.H. Bertrand1 , P.A. Tanguy1 , J.P. Mmbaga2 , and R.E. Hayes2
1 Ecole Polytechnique , Montreal
2 University of Alberta, Edmonton

COMSOL Modelling of the Gas Mixing Process in a Ripple Reducer for NPL’s Time Division Dilution System COMSOL Modelling of the Gas Mixing Process in a Ripple Reducer for NPL’s Time Division Dilution System

The mixing process of a ripple reducer designed for a time division dilution system (TDD) that dynamically generates calibration gas mixtures is modelled in 2D using COMSOL Multiphysics. The model can been used to visualize and...
COMSOL Conference 2006, Boston
J. Wang, B.A. Goody, and M.J.T. Milton
National Physical Laboratory, Teddington, Middlesex, UK

Constructal Design of Concurrent Power Distribution Networks Constructal Design of Concurrent Power Distribution Networks

This paper reports a strategy to design a network of higher immunity and capacity of recovery to faults or other destructive events. The capacity of survivorship and recovery increases when the system possesses some redundancy, and...
COMSOL Conference 2006, Boston
A.M. Morega1 , and J.C. Ordonez2
1 Department of Electrical Engineering, POLITEHNICA University of Bucharest, Romania
2 Department of Mechanical Engineering and Center for Advanced Power Systems, Florida State University

Deformable Medical Image Registration using the Finite Element Method Deformable Medical Image Registration using the Finite Element Method

Deformable medical image registration is studied with two models developed using COMSOL Multiphysics. One is based on the plane strain application mode and the other on the moving mesh (ALE) application mode. The models are examined...
COMSOL Conference 2006, Boston
J. Li, and T.C. Zhu
Department of Radiation Oncology, University of Pennsylvania

Design and Simulation of a Spout Fluid Bed Coating System Design and Simulation of a Spout Fluid Bed Coating System

Since aerogel materials are open cell, inorganic foams, the surface pores of the material must be sealed for large scale application. Here we discuss the design and development of a spout fluid bed system for producing coated aerogel...
COMSOL Conference 2006, Boston
Joel L. Plawsky and Howard Littman
Department of Chemical and Biological Engineering
Rensselaer Polytechnic Institute
Troy, NY

Development of a Coupled 2D-3D Fuel Cell Model for Flow Field Analysis Development of a Coupled 2D-3D Fuel Cell Model for Flow Field Analysis

The sodium borohydride and hydrogen peroxide liquid fuel cell developed at the University of Illinois shows promise as a viable energy source for a wide range of applications. To achieve higher powers for a fixed active area, an...
COMSOL Conference 2006, Boston
G.H. Miley1 , G. Hawkins2 , and J. Englander2
1 Department of Nuclear, Radiological, and Plasma Engineering, University of Illinois at Urbana-Champaign
2 Department of Aerospace Engineering, University of Illinois at Urbana-Champaign

Effect of Electron Transfer Rate on the Electrochemical Process of Interdigitated Electrodes Effect of Electron Transfer Rate on the Electrochemical Process of Interdigitated Electrodes

Affinity-based sensing often relies on the blockage for electron transfer at an electrode surface due to complimentary binding. Such blockage will reduce the electron transfer rate (ETR) in an electrochemical detection method such as...
COMSOL Conference 2006, Boston
X. Yang1 , and G. Zhang1-3
1 Micro/Nano Bioengineering Laboratory, Department of Biological and Agricultural Engineering, The University of Georgia
2 Nanoscale Science and Engineering Center, The University of Georgia
3 Faculty of Engineering, The University of Georgia

Effects of Nonlinear Magnetic Properties on Magnetic Bonding Forces for Magnet Array Self-Assembly Effects of Nonlinear Magnetic Properties on Magnetic Bonding Forces for Magnet Array Self-Assembly

The objective of this researh is to develop new, magnetically-directed, self-assembly approaches to enable three-dimensional structures to be formed in parallel from a heterogeneous mixture of parts of arbitrary size and shape.
COMSOL Conference 2006, Boston
S.B. Shetye, J.S. Agashe, and D.P. Arnold
University of Florida