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COMSOL カンファレンス 2024 論文集を見る

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Simulation of the Thermal Expansion of an Inductively Heated Gear Wheel for Shrink Fitting Purposes

C. Hollenbeck [1], Z. Jildeh [1], T. Rydlewski [1], P. Kirchner [1],
[1] Imagine Engineering GmbH, Bergheim, Germany

Due to the advantages of induction heating as a method for precise and efficient local heating, it is perfectly suited for thermal shrink fitting of a gear wheel on a shaft. In this work, a simulation model was established to study the induction heating of a gear wheel, its thermal ... 詳細を見る

Simulation of Diffuse Optical Tomography using COMSOL Multiphysics®

S. A. M. Kirmani [1] , L. Velmanickam [1], D. Nawarathna [1], S. S. Sherif [2], I. T. Lima Jr. [1],
[1] Department of Electrical and Computer Engineering, North Dakota State University, Fargo, ND, USA
[2] Department of Electrical and Computer Engineering, University of Manitoba, Winnipeg, MB, Canada

We show that COMSOL Multiphysics® software can efficiently simulate the diffusion equation (DE) in diffusive optical tomography systems. Using our implementation, we simulate a frequency domain diffusive optical tomography system two order of magnitude faster than the standard Monte ... 詳細を見る

Simulating Spiking Neurons Using a Simple Mathematical Model

S. Kirigeeganage [1], J. Naber [1], D. Jackson [1], R. Keynton [1], T. Roussel [1],
[1] University of Louisville, Louisville, KY, USA

This paper utilizes COMSOL Multiphysics® software and the Application Builder to simulate neurological responses in nerve axons due to external electrical stimuli. The AC/DC Module of the COMSOL® software is first used to solve the Maxwell's equations. Then the results from the Maxwell's ... 詳細を見る

Highly Sensitive Grating-Coupled Bloch Surface Wave Resonance Biosensor via Azimuthal Interrogation

V. Koju [1], W. M. Robertson [1],
[1] Middle Tennessee State University, Murfreesboro, TN, USA

A dielectric multilayer structure, with a grating profile on the surface layer, can couple light into a strongly confined surface wave, known as a Bloch surface wave. These surface modes can be used to design bio-sensors. The corrugated surface structure also enables azimuthal angular ... 詳細を見る

Modeling, Simulation, and Optimization of Piezoelectric Bimorph For Broadband Energy Harvesting

N. Chen [1], V. Bedekar [1],
[1] Middle Tennessee State University, Murfreesboro, TN, USA

The objective of this research is to design a millimeter scale broadband energy harvester device through the use of a multi-cantilever beam approach with a non-linear geometry. In this research, we use COMSOL Multiphysics® software to design, simulate and analyze the voltage and power ... 詳細を見る

3D Simulation of the Electric Field of Polymeric Insulators under Adverse Conditions

D. F. Reis [1], E. J. da Silva [1], I. J. S. Lopes [1],
[1] Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil

Recent studies report problems related to premature aging and degradation of high-voltage polymeric insulators. Corona activity, which is induced in areas of high electric field levels, is considered one of the leading causes of these problems. The insulator operation under adverse ... 詳細を見る

A Field Simulator for Permanent Magnet Applications

E. Ledwosinska [1], J. Gammel [1]
[1] Silicon Labs, Austin, TX, USA

Permanent magnets are ubiquitous in our world today, from refrigerator magnets to industrial sensor applications. Often, the magnitude of the field at a specific distance from an arbitrarily shaped magnet of variable strength is a necessary parameter for end-use systems. We used the the ... 詳細を見る

A Virtual Product Development Environment for Electronic Hydraulic Power Steering Pump via Multiphysics Modeling

F. Qi [1], J. Men [1], L. Yang [1], Z. Bing [1] , J. Yang [1], F. He [2], L. Pan [2], Z. Shao [2], G. Gao [2], X. Zhang [3], H. Wei [3], S. Duo [3], L. Song [3], X. Wang [3], Z. Wang [3], G. Wei [3], Y. Li [3], H. Yang [3], Z. Ma [3], B. Li [3], Y. Zhang [3], Y. Li [3], Y. Xie [3], D. Yu [3]
[1] FZB Technology, Inc., Plymouth, MI, USA
[2] Shenzhen South Dare Auto Parts, Ltd., Shenzhen, China
[3] Fuxin Dare Auto Parts, Ltd., Fuxin, China

Using advanced computational fluid dynamics software PumpLinx and the COMSOL Multiphysics® software, a virtual product development environment was established for the electro-hydraulic power steering pump system in a passenger vehicle. The model built with the COMSOL Multiphysics® ... 詳細を見る

Magnetically-Induced Displacement Force on Medical Devices in the Magnetic Resonance Environment

A. Ferreira [1], J. Ochoa [2], R. Siskey [2],
[1] Drexel University, Philadelphia, PA, USA
[2] Exponent Failure Analysis Associates, Philadelphia, PA, USA

Introduction: Medical devices undergo a series of evaluations in order to determine their performance and level of safety in a magnetic resonance (MR) environment. The standard of focus for this work is ASTM F2052-15 which measures the induced displacement of a device due to the ... 詳細を見る

Simulation of Electrodynamic Planar Loudspeaker (EDPL) with COMSOL Multiphysics® Software

M. Asgarisabet [1,2], R. Czapla [2], J. Krueger [2], B. Sterling [2],
[1] Michigan Technological University, Houghton, MI, USA
[2] HARMAN International, Detroit, MI, USA

A simulation of an electrodynamic planar loudspeaker (EDPL) has been developed in this study with the COMSOL Multiphysics® software. Using the simulated model, effect of different parts has been studied to improve the performance. The locations of the coil and magnets have been obtained ... 詳細を見る

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