科技论文和演示页面包括了 COMSOL 全球用户年会上所有的用户演示文稿。这些演示文稿介绍了 COMSOL 用户是如何使用 COMSOL Multiphysics 进行创新性研究和产品设计,研究主题涵盖了包括电气、机械、流体和化工等范围广泛的行业和应用领域。您可以使用“快速搜索”来查找与您研究领域相关的演示文稿。

Predication of Acoustical Dissipation in Large Irregular Cavities by Helmholtz Solver

F. Mbailassem [1], Q. Leclere [1],
[1] LVA - INSA de Lyon, France

This paper introduces an efficient model to describe energy dissipation in acoustic. When the propagation domain has hard wall boundary conditions only ...

Numerical Evidence of Unrest-Related Electromagnetic Effects in the Campi Flegrei Caldera, Italy

G. Perillo [1], G. De Natale [2], M. G. Di Giuseppe [2], A. Troiano [2], C. Troise [2],
[1] University of Naples Parthenope, Naples, Italy
[2] INGV – Osservatorio Vesuviano, Naples, Italy

Electric, magnetic and electromagnetic (em) methods are widely used to monitor active volcanoes. A review of such applications is presented in ...

电容成像检测技术研究与分析

李振 [1], 毛冬麟 [1], 李晨 [1], 路鹏 [1],
[1] 中国石油大学(华东),青岛,中国

引言:电容成像检测技术是一种新型的无损检测技术,它是利用一对共面电极板之间产生的准静态边缘电场对缺陷进行检测,电容成像探头的形状是成像性能的关键因素,据此设计了点对点三角形探头(A型)、边对边三角形探头(B型)、正方形探头(C型)和圆形探头(D型),如图1所示,并利用 COMSOL ...

A 3D Thermal Model for Lunar Surface Using COMSOL Multiphysics® Software: Validation and Results

K. Durga Prasad [1], S.V.S. Murty [1], V. K. Rai [1],
[1] Planetary Sciences Division, Physical Research Laboratory, Ahmedabad, Gujarat, India

A comprehensive three dimensional finite element thermal model has been developed using COMSOL Multiphysics® software to understand the thermo-physical ...

自电泳机理驱动的微纳米马达仿真模拟研究

王威 [1], 周超 [1],
[1] 哈尔滨工业大学深圳研究生院,深圳,中国

微纳米马达是一种能将周围环境的能量转化为自身自主运动的新型智能仿生材料,其在药物的运输与释放,低维材料的合成以及软物质研究中有着重要的应用[1]。基于自电泳的双金属棒马达是研究时间最长的一类马达,它有着与自然界中类似的自组装和群体行为的特性[2]。但是其运动机理复杂且涉及到多个物理场的紧密耦合 ...

Transient Diffusion Modeling of Methane Plume and Source Localization

S. K. Nayaka[1],, S. Roya [1],, K. Ghosha [1],, S. Aroshb [2],, S. Prakashb[2],, S. P. Duttaguptaa [1][2]
[1] Center for Research in Nanotechnology and Science, IIT Bombay, Mumbai, Maharashtra, India.
[2] Dept. of Electrical Engineering, IIT Bombay, Mumbai, Maharashtra, India.

Methane detection and quantification is of great importance due to its natural abundance, potential to cause explosions and known greenhouse effect. ...

Finite Element Modeling of Dielectric-Paraelectric Composite Materials

K. Zhou, S. Alpay, and S. Boggs
Institute of Material Science, University of Connecticut, Storrs, CT, USA

Finite Element analysis is used to model 2-D and 3-D paraelectric-dielectric composites (BaTiO3 spherical fillers randomly distributed in constant ...

Parallel Performance Studies for COMSOL Multiphysics Using Scripting and Batch Processing

N. Petra[1], and M.K. Gobbert[1]

[1]Department of Mathematics and Statistics, University of Maryland, Baltimore County, Baltimore, Maryland, USA

The graphical user interface (GUI) of COMSOL Multiphysics offers an effective environment to get started solving problems. For reproducibility of the ...

A Study of Laser Doppler Anemometer Using COMSOL Multiphysics®

I. Lancranjan[1] and C. Gavrila[2]
[1]Advanced Study Centre, National Institute for Aerospace Research “Elie Carafoli”, Bucharest, Romania
[2]Technical University of Civil Engineering Bucharest, Bucharest, Romania

Laser anemometers based on application of Doppler Effect have been developed and are used in-flight, on aircrafts for measurement of air flow ...

Hydrogen Vehicle Leak Modelling in Indoor Ventilated Environments

A. Hallgarth[1], A. Zayer[1], A. Gatward[2], and J. Davies[2]
[1]Hazard Research & Risk Consultants Ltd, Aberystwyth, Wales, United Kingdom
[2]Independent Consultants, United Kingdom

This paper presents and discusses HazRes’ research and results associated with the simulation and modelling of hydrogen release and dispersion events ...