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See How Multiphysics Simulation Is Used in Research and Development

Engineers, researchers, and scientists across industries use multiphysics simulation to research and develop innovative product designs and processes. Find inspiration in technical papers and presentations they have presented at the COMSOL Conference. Browse the selection below or use the Quick Search tool to find a specific presentation or filter by application area.

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Modeling of Susceptor Assisted Microwave Heating in Domestic Ovens

K. Pitchai[1], S. Birla[2], J. Diamond Raj[3], J. Subbiah[2], and D. Jones[2]
[1]Dept. of Food Science and Technology, University of Nebraska, Lincoln, NE
[2]Dept. of Biological Systems Engineering, University of Nebraska, Lincoln, NE
[3]Indian Institute of Crop Processing Technology, Thanjavur, Tamil Nadu, India

Susceptors are very thin metallic microwave absorbing films used in microwaveable food packaging. They tend to heat up very rapidly during microwave heating and this effect helps to overcome two major issues faced in domestic microwave ovens; 1) Non-uniform heating and 2) lack of ... Read More

A Comparison Between an A-V and V Formulation in Transcranial Magnetic Stimulation

B. Granula[1], K. Porzig[2], H. Toepfer[2], M. Gacanovic[1]
[1]University of Banja Luka, Banja Luka, Bosnia-Herzegovina
[2]Technische Universität Ilmenau, Ilmenau, Germany

The prediction of the exact location and intensity of the electric field induced in the human brain during Transcranial magnetic stimulation is a nontrivial computational task. Numerical simulations of the procedure can be used to acquire first approximations in a safe and controlled ... Read More

Improving Detection Sensitivity for Nanoscale Targets Through Combined Photonic and Plasmonic Techniques

G. Zhang[1], Y. Zhao[1]
[1]Clemson University, Clemson, SC, USA

Photonic technique such as the whispering gallery mode (WGM) is often used for detection of small particles like bacteria and viruses. It offers good detection sensitivity and is advantageous over other detection techniques because the detection can be label free. However, the detection ... Read More

Calculation in Coupling Coefficient of 1.3μm Quantum Dots Distributed Feed Back Laser with Half Etched Mesa Structure

Keishiro GOSHIMA et al.[1]

[1]Aichi Institute of Technology, Toyota, Aichi, Japan

Quantum Dots (QDs) laser is expected to have a low threshold current density and high thermal stability. We propose the QDs laser with the half-etched mesa distributed feedback (HEM DFB) structure. We accurately calculated the coupling coefficient in a HEM waveguide using the finite ... Read More

Study on the Holding Characterestics of a Magnetic Gripper

R. Wadhwa[1], G. Monkman[2], and T. Lien[1]
[1]NTNU Valgrinda, Inst. for produksjons- og kvalitetstek., Trondheim, Norway
[2]FH Regensburg, Regensburg, Germany

Magnetic grippers are commonly used for workholding in handling and assembly of ferrous metalcasted parts. The workholding force produced by the magnetic gripper is strongly influenced by the texture and form of the workpiece in contact with its surface. This work explores the optimal ... Read More

Simulation and Parametric Study of a PDMS Based Valveless Micropump Using FSI Approach

R. R. Gidde [1], P. M. Pawar [1],
[1] SVERI's College of Engineering, Pandharpur, Maharashtra, India

In this paper simulation and parametric study of a PDMS valveless micropump using Fluid-Structure Interaction (FSI) appraoch is presented. The simulation for the valveless micropump were carried out in COMSOL Multiphysics software. In case of a valveless micropump diffuser/nozzle element ... Read More

Simulation of a Buckled Cantilever Plate with Thermal Bimorph Actuators

A. Arevalo [1], D. Conchouso [1], D. Castro [1], M. Diaz [2], I. G. Foulds [3],
[1] CEMSE Division, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
[2] Physical Sciences and Engineering Division, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
[3] University of British Columbia, Vancouver, BC, Canada

INTRODUCTION: Micro Electro Mechanical Systems (MEMS) are fabricated with an in-plane fabrication technology. Out-of-plane structures can be designed to be assembled to provide thermal and electrical isolation from the substrate [1 -3]. These isolations can potentially improve the ... Read More

Design and Analysis of a Three-DOF Piezoelectric Vibration Energy Harvester

R. T. P. Reddy [1], X. Xiong [2], J. Hu [3],
[1] University of Bridgeport, Bridgeport, CT, USA
[2] Department of Electrical and Computer Engineering, University of Bridgeport, Bridgeport, CT, USA
[3] Department of Mechanical Engineering, University of Bridgeport, Bridgeport, CT, USA

Introduction: Vibration energy harvester can convert mechanical vibration energy into electrical energy and store it in battery for later use. It can create clean renewable energy from vibration movements such as walking, jumping, running, etc. This can convert energy previously wasted ... Read More

Finite Element Analysis of Multilayer Transmission Lines for High-Speed Digital Interconnects

S.M. Musa, and M.N.O. Sadiku
Prairie View A&M University, Prairie View, TX, USA

In this paper, we consider the finite element modeling of multilayer transmission lines for high-speed digital interconnects. Using COMSOL we mainly focused on the modeling of the transmission structures with both cases of symmetric and asymmetric geometries. We specifically designed ... Read More

Phase Decomposition for Loudspeaker Analysis

R. Christensen [1],
[1] GN ReSound A/S, Copenhagen, Denmark

The vibration of an electrodynamic loudspeaker driver causes a resulting sound pressure. For simple pistonic vibration, there is a simple relationship between the vibration and the sound pressure. For complex vibration patterns, however, different parts of the vibrating surface ... Read More

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