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Suchbegriff:

Multiphysics Modeling of Swelling Gels

A. Lucantonio[1], P. Nardinocchi[1], L. Teresi[2]
[1]Università degli Studi La Sapienza, Roma, Italy
[2]LaMS - Modelling & Simulation Lab, Università degli Studi Roma Tre, Roma, Italy

Polymer gels belong to the realm of soft active materials as they are capable of responding to a non-mechanical stimulus – the permeation of a solvent – with a mechanical action – a volume change, thanks to the coupling between different physics. This mechanism of coupling can be ... Mehr lesen

3D FEM-Simulation of Magnetic Shape Memory Actuators

M. Schautzgy [1], U. Kosiedowski [2], T. Schiepp [3],
[1] ETO MAGNETIC GmbH, Stockach, Baden-Württemberg, Germany ; Department of Mechanical Engineering, HTWG Konstanz, Konstanz, Baden-Württemberg, Germany
[2] Department of Mechanical Engineering, HTWG Konstanz, Konstanz, Baden-Württemberg, Germany
[3] ETO MAGNETIC GmbH, Stockach, Baden-Württemberg, Germany

Electromagnetic actuators are a well-known field where finite element simulations are applied. Magnetic Shape Memory (MSM) actuators represent a new type of smart electromagnetic actuators where the MSM material elongates and contracts when applying a magnetic field. The MSM material ... Mehr lesen

Antenna and Plasmonic Properties of Scanning Probe Tips at Optical and Terahertz Regimes

A. Haidary[1], P. Grütter[1], Y. Miyahara[1]
[1]Physics Department, McGill University, Montreal, QC, Canada

A wide variety of near-field optical phenomena such as apertureless near-field scanning microscopy (ANSM) at optical and terahertz (THz) regimes and surface enhanced Raman scattering relies on the electric field enhancement at the end of a sharp tip. Achieving and controlling this ... Mehr lesen

Electromagnetic and Electrostatic study in High Voltage Switchyard

R. Devanathan [1], B.Mutum [1], L.Obiroy [2], C Manivannan [3], R Malarvizhi [3],
[1] Hindustan University, Rajiv Gandhi Salai, Padur (via), Kelambakkam, Chennai, India
[2] Hindustan University, Rajiv Gandhi Salai, Padur (via), Kelambakkam, Chennai, India
[3] L & T Constructions, Power Transmission & Distribution, Chennai, India

The paper reports on an electromagnetic field study of a 765 kV switchyard. The study is performed using COMSOL Multiphysics® software. The study involves geometric modelling, finite element analysis, and numerical solution of the linearized equations. For the system studied, it was ... Mehr lesen

COMSOL Multiphysics® Software Activities Within the Research Reactors Division of Oak Ridge National Laboratory

J. D. Freels [1], P. K. Jain [1], C. J. Hurt [2], F. G. Curtis [1], M. W. Crowell [1], E. L. Popov [1],
[1] Oak Ridge National Laboratory, Oak Ridge, TN, USA
[2] University of Tennessee, Knoxville, TN, USA

INTRODUCTION Our group at ORNL started using COMSOL Multiphysics® software shortly after version 3.0 was released in the Spring of 2004. After 11 years and several releases, the application usage has grown along with number of licenses we are responsible for. This paper will broaden ... Mehr lesen

Three-Dimensional Numerical Study of the Flow Past a Magnetic Obstacle

M. Rivero[1], O. Andreev[2], A. Thess[3], S. Cuevas[4], T. Fröhlich[1]
[1]Institute of Process Measurement and Sensor Technology, Ilmenau University of Technology, Ilmenau, Germany
[2]Helmholtz-Zentrum Dresden-Rossendorf e. V., Institut für Sicherheitsforschung Abteilung Magnetohydrodynamik, Dresden, Germany
[3]Institute of Thermodynamics and Fluid Mechanics, Ilmenau University of Technology, Ilmenau, Germany
[4]Instituto de Energías Renovables, Universidad Nacional Autónoma de México, Temixco, Morelos, México

Flows of electrically conducting liquids in external magnetic fields are present in several applications. In this kind of flow, the inhomogeneous magnetic field creates a breaking force on the conducting fluid. As a result, a stagnant zone is formed in the zone affected by the localized ... Mehr lesen

Drag Fluctuations of a Fully Deployed Flow Actuator Embedded Inside Turbulent Boundary Layer Flow

Dr. A. Elzawawy[1]
[1]Engineering & Technology Department, Vaughn College of Aeronautics & Technology, Flushing, NY, USA

Introduction: In this work, a CFD model of 2D flow around a fully deployed flow actuator was developed using COMSOL Multiphysics® software and the CFD Module. The results of COMSOL modeling is also compared with the experimental data of the same dimensions actuator. The 100mmX2mm ... Mehr lesen

Simulation of PCM Melting Process in a Rectangular Enclosure Differentially Heated

G. Petrone[1], G. Cammarata[1]
[1]Department of Industrial Engineering, University of Catania, Catania, Italy

This study deals with a numerical investigation of the melting process of a PCM in a rectangular enclosure differentially heated. COMSOL Multiphysics is used in order to numerically solve Navier-Stokes and energy equations in the considered system. Adopting an enthalpy formulation, one ... Mehr lesen

A Simplified Numerical Model for Simulating Sliding Door and Surgical Staff Movement in an Operating Theater

C. Balocco[1]
[1]Dipartimento di Energetica, Università di Firenze, Firenze, Italy

This paper deals with a numerical investigation on sliding door and people moving effects on the indoor climate of a standard ISO5 class OT with an ultraclean air filter system and a total ceiling unidirectional diffuser. A simple method to analyze the effects on the OT climate by ... Mehr lesen

Simulation Based Approach to Fluorescence Diffuse Optical Tomography

R. Singh, and I. Jose
BITS Pilani Goa Campus
Goa, India

Diffuse Optical Tomography (DOT) uses Near Infra-red (NIR) light to monitor physiological changes in internal organs. NIR light being less energetic in nature can be used for continuous monitoring of tumor infected biological tissue, neonatal brain and many such applications where high ... Mehr lesen

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