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Voyez comment la modélisation et la simulation sont utilisées par les industries La modélisation et la simulation multiphysiques pilotent l'innovation dans tous les grands secteurs d'activité et dans le monde universitaire — comme en témoignent les nombreuses utilisations présentées dans des articles et des posters techniques présentés par des ingénieurs, chercheurs et scientifiques à la Conférence COMSOL chaque année. Inspirez-vous des récents proceedings réunis ci-dessous, ou, pour trouver les présentations les plus intéressantes dans votre domaine d'intérêt, utilisez la recherche rapide.

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Frequency and Electrode Separation Recommendations for EDA Measurements

S. Sridhar [1], T. J. Akl [1],
[1] Analog Devices Inc., Wilmington, MA, USA

Electrodermal Activity (EDA) is a measure of changes in the conductivity of the skin. It has have been found to be indicative of the individual’s autonomic nervous activity which is correlated to their stress and emotional state. These conductivity changes are tracked by injecting a ... En savoir plus

Computational Fluid Dynamic Modeling of Geothermal Membrane Distillation

C. Rivera [1], C. Sanchez [1], J. Paiz [1], M. Troyer [1], F. Huang [1]
[1] Department of Civil & Environmental Engineering, New Mexico Institute of Mining and Technology, Socorro NM, USA

A 3-D COMSOL model was established to investigate the heat and mass transfer in a hollow fiber membrane (HFM) module for direct contact membrane distillation (DCMD). Membrane distillation is a separation process that relies on vapor pressure gradients to drive the production of purified ... En savoir plus

Numerical Modeling of Nanopipettes for Electrophysiology and Imaging

J. Rabinowitz [1],
[1] Columbia University, New York, NY, USA

Nanoscale pipettes allow for exciting extensions of traditional current- and voltage-clamping electrophysiology experiments. However, bulk electrodynamic properties begin to break down at nanoscale openings, introducing unusual effects that must be understood in order to properly ... En savoir plus

An Examination of Wall Shear Stresses in Curved Arterial Vessels Using Bioresorbable Stents

D. W. Pepper [1], S. Pirbastami [1],
[1] University of Nevada - Las Vegas, Las Vegas, NV, USA

Bioresorbable stents are providing temporary mechanical support to keep a narrowed or blocked coronary artery open and restore the blood flow and will be gradually degraded and resorbed after the healing and remodeling of arterial wall. This new generation of stents has lower rates of ... En savoir plus

Dynamic Simulation of a Polymer Molecule Using COMSOL Multiphysics®: DNA Separation in a Microchannel

J. Park [1], S. Monjezi [1], M. Palaniappan [1], J. D. Jones [1], B. Behdani [1],
[1] Missouri University of Science and Technology, Rolla, MO, USA

In this study, COMSOL Multiphysics was used to simulate DNA separation within a microchannel based on the entropic trapping mechanism. The entropic trapping mechanism involves DNA molecules passing through a series of obstacles in a microchannel and different lengths of DNA exhibiting ... En savoir plus

A Phase Field Model for Lithium Ion Battery Particles

R. Painter [1], L. Sharpe [2], S. K. Hargrove [2],
[1] Department of Civil Engineering, Tennessee State University, Nashville, TN, USA
[2] Department of Mechanical Engineering, Tennessee State University, Nashville, TN, USA

In this study, a three-dimensional (3-D) phase field model was developed to better understand the parameters impacting the LiFePO4 cathode material in lithium ion batteries. LiFePO4 has a strong tendency to separate into stable high Li+ concentration and low Li+ concentration phases, ... En savoir plus

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 structures like dams and levees, and water flow through these structures becomes concentrated into the soil pipes as they evolve by the ... En savoir plus

Numerical Modeling of High Aspect Ratio µPillars at Different Viscosities and Flow Rates

A. Mustafa [1], A. Erten [2], A. Eser [3], A. Cenk Aksu [3], A. Kiraz [1], M. Tanyeri [4], O. Yalcin [3]
[1] Department of Physics, Koç University, Istanbul, Turkey
[2] Department of Electrical Engineering, Osmaniye University, Osmaniye, Turkey
[3] Department of Bio Medical Engineering/School of Medicine, Koç University, Istanbul, Turkey
[4] Institute of Molecular Engineering, University of Chicago, Chicago, IL, USA

The advent of Micro/Nano fluidic technologies has enabled researchers from various fields to use these advancements for analysis and experiments. In this work we present such a device that can be used for analyzing coagulation of blood in a microchannel by measuring the displacement of ... En savoir plus

Evaluation of the Induced Excitation of the Peripheral Vestibular System Using Micro Scale Inductors

S. Mukesh [1], P. Bhatti [1],
[1] School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, GA, USA

According to the National Health and Nutrition Examination Survey data, 35 % of US adults aged 40 years and older have evidence of balance dysfunction based on the modified Romberg test. In this vestibular dysfunction, patients are not able to see stabilized images on their retina during ... En savoir plus

Increasing Dust Removal Efficiency of Electrodynamic Screens Using Frequency Optimization via COMSOL Multiphysics®

C. Morales [1], R. Eriksen [1], M. Horenstein [1], M. Mazumder [1],
[1] Boston University, Boston, MA, USA

Utility-scale photovoltaic (PV) and concentrated solar power (CSP) generation facilities are located in desert environments throughout the world to take advantage of the high availability of sunlight in these areas. Unfortunately, naturally occurring sandstorms in these deserts often ... En savoir plus

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