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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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Radially and Tangentially Magnetized PM BLDC Motor - A Comparative Analysis Using Finite Element Method

K.S. Shinoy[1], Anjana M.P.[2]
[1]Vikram Sarabhai Space Centre, Thiruvananthapuram, Kerala, India
[2]M A College of Engineering, Kothamangalam, Kerala, India

Several permanent-magnet excited rotor types for a brushless DC motor can be designed regarding their applicability based on the arrangement of the permanent magnets; since the rotor configurations strongly influence the performance of permanent magnet electrical machines. Surface ... Read More

Effects of Solvers on Finite Element Analysis in COMSOL Multiphysics® Software

C. Ravi[1]
[1]Siemens Technology and Services Private Limited, Bengaluru, Karnataka, India

Introduction: Solver section of FEA plays a very important role; it takes the input from the preprocessor and solves millions of equations using numerical methods. Capability of any analysis tools can be measured based on the solver. Understanding the nature and operation of various ... Read More

Utilization of COMSOL Multiphysics® Java API for the Integration of Composite Material Properties Through a Customized User Interface

R. Malav[1]
[1]Indian Institute of Technology Madras, Chennai, Tamil Nadu, India

Introduction: Usage of Composite Materials properties is rapidly gaining acceptance in various industries such as aircraft manufacturing, automotive, healthcare, etc. Its main strengths are light weight material, great strength and durability, strength related to weight, corrosion ... Read More

Computational Multiphysics to Optimize Humidification Chamber for a Novel PEM Fuel Cell Power System Used in Automobile Application

M. Raja[1]
[1]Tata Motors, Bengaluru, Karnataka, India

Proton Exchange Membrane (PEM) fuel cells are quickly becoming an attractive technology due to their ability to meet increasing energy demands in a cleaner, more efficient way compared to existing methods. A fuel cell is an electrochemical device which converts the chemical energy of a ... Read More

Electromagnetic Well Logs Simulated with the COMSOL® RF Module on a Cluster

D. Swaminathan[1], G. Minerbo[1], K. Pathak[1]
[1]Drilling and Production Group, Schlumberger, Houston, TX, USA

Introduction Computer simulations are widely used for the interpretation and inversion of electromagnetic measurements in well logging. Until recently, simulated logs have been computed with approximate 1D or 2D models. By using the COMSOL® RF Module installed on a cluster, we show that ... Read More

Numerical Simulation of Electrostatic Charging Droplets in Microfluidic Devices

S. Yao[1], H. Zhou[1]
[1]HKUST, Hong Kong, China

In this paper, the mechanism of charging process was simulated and analyzed. The simulation was conducted using COMSOL Multiphysics® software, based on the laminar two-phase flow level-set interface coupling with the electrostatic interface. Meanwhile, different parameters (such as the ... Read More

Research of Dispersion Characters in Hexagonal Photonic Crystal Fiber Based on a COMSOL Multiphysics® Model

X. Jiang[1], X. Kong[1], J. Wang[1], Q. Wang[2]
[1]School of Mathematics and Physics, Changzhou University, Changzhou, Jiangsu, China
[2]Institute of Modern Optical Technologies, Soochow University, Suzhou, Jiangsu, China

It is a complex problem to calculate the photonic crystal fiber model, and the methods of plane wave expansion, Hermite-Guasssian function and beam propagation have been analyzed. Finally the multipole method is adopted for solving problem. The hexagonal air holes in cladding have been ... Read More

Research on a Numerical Simulation Method about Harmonic Distortion of Loudspeaker

X. Lu[1]
[1]Zhejiang Electro-Acoustic R&D Center, CAS, Zhejiang, China

扬声器的失真问题一直受电声业界的关注，尤其是谐波失真，它是影响扬声器重放声音音质的主要因素之一。本文提出了一种基于 COMSOL Multiphysics® 软件预测扬声器谐波失真的仿真分析方法。该方法需建立包括磁场、振动系统和声场等多个物理场的扬声器的全模型，给扬声器加载一单频电压信号，用瞬态分析的方法可求解得到该频率激励下的扬声器的多个重要物理量随时间的变化函数，如流经音圈的电流I(t)、音圈的受力F(t)、振动系统表面上任意点的位移x(t)，以及声场中任意点的声压P(t)等。给扬声器加载一个时间长度为0.1s的单频电压信号，仿真分析所得的防尘帽顶点的位移曲线 ... Read More

Numerical Prediction of Weld Bead Geometry in Plasma Arc Welding of Titanium Sheets

V. Dhinakaran[1], S. Khope[1], N. S. Shanmugam[1] , K. Sankaranarayanasamy[1]
[1]National Institute of Technology, Tiruchirappalli, Tiruchirappalli, Tamil Nadu, India

Plasma Arc Welding (PAW) is one of the important arc welding processes commonly used in electronics, medical, automotive and aerospace industries due its high accuracy, finishing, and ability of welding any hard materials. It is an extension of Tungsten Inert Gas welding (TIG or GTAW). ... Read More

Multiphysics Simulation of Conjugated Heat Transfer and Electrostatic Field on Application of Electrostatic Chucks (ESCs) Using 3D-2D Model Coupling

K. Hsu[1], C. Li[1], J. Yang[1], J. Chen[1], J. Chang[1]
[1]Institute of Applied Mechanics, National Taiwan University, Taipei, Taiwan

There has been considerable interest in the electrostatic chucks (ESCs) in recent years. Wafer cooling by means of gas at the backside of wafers plays an important role in electrostatic chucks and it uses an electrostatic potential to secure the wafer. In this study, the correlation of ... Read More

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