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.
View the COMSOL Conference 2018 Collection

An Elastohydrodynamic Lubrication Model Considering Surface Roughness and Mixed Friction

J. Moder [1], F. Grün [1],
[1] Chair of Mechanical Engineering, Montanuniversität, Leoben, Austria

Highly loaded lubricated machine elements such as gears or camshafts are an integral part in a wide variety of technical products. Due to higher efficiency requirements these machine elements have to be improved continuously, which leads to the necessity to investigate physical ... Read More

An Evaluation of CO2 Sequestration in Organic-Rich Shales Using COMSOL Multiphysics®

R. Barati [1], S. Cudjoe [1],
[1] University of Kansas, Lawrence, KS, USA

Organic-rich shale resources remain an important source of hydrocarbons considering their substantial contribution to crude oil and natural gas production around the world. Moreover, as part of mitigating the greenhouse gas effects due to the emissions of carbon dioxide (CO2) gas, ... Read More

Implementation of an Active Fluid Cooling Design in a 48 V High-Power Battery Module

Z. Wu [1], A. Stawarski [2], H. Kemper [2],
[1] Energy Storage Systems, FH Aachen - University of Applied Sciences, Aachen, Germany; RWTH Aachen University, Aachen, Germany
[2] Energy Storage Systems, FH Aachen - University of Applied Sciences, Aachen, Germany

Individual batteries have their own operational temperature ranges, which shall be respected to avoid both damaging of the cells and shortening of the cycle life. In terms of the Li-Ion cells, many of them do not function well at higher temperatures. Therefore, a better understanding of ... Read More

Uncertainty Assessment and Sensitivity Analysis of Heat Generation within a Lithium-Ion Battery

G. Liebig [1], G. Gupta [1], K. Derendorf [1], C. Agert [1],
[1] DLR Institute of Networked Energy Systems, Oldenburg, Germany

Dedicated work in modeling, simulation and design optimization of Lithium-ion Battery (LIBs) was done in the past decades, and still, the most widely used one for electrochemical processes is the Newman model. [1] The underlying parameters are treated deterministically, but the impact of ... Read More

Reducing Loudspeaker Systems Panel Vibrations

D. Cinanni [1],
[1] ASK Industries Spa, subject to direction and coordination of JVCKENWOOD Corporation, Italy

One of the main design questions in loudspeaker enclosures concern vibrations reduction. An ideal cabinet would be infinitely rigid, so a section of an engineer work is focused on this goal. Solutions depend by loudspeaker system audio field: Line Arrays, Automotive environments or hi ... Read More

基于变换光学的可伸缩式微波炉研究

巫玉萍 [1], 朱铧丞 [1],
[1] 四川大学

【摘要】本作品通过变换光学原理研究可伸缩式微波炉,通过伸缩变换腔体的大小实现微波炉内电场分布的实时变化,可以达到便携式且加热更均匀的目的。变化光学算法的引用是力求解决COMSOL多物理场中移动边界运算的困难。通过“光学时变各向异性介质理论”使得在网格不变化的情况下可计算运动目标的加热分析。图1为仿真几何模型设计图,被加热材料采用的是土豆片,腔体设计为250mm*250mm*200mm,腔体底部采用散射边界连接到微波源,除了腔体底部面设置为散射边界外其余部分都设置为PEC。图2为网格划分图,模型由很多个矩形区域构成,可采用网格扫掠来划分网格。图3为电场分布的动态图 ... Read More

铁芯电抗器的多物理场温升仿真分析

黄文聪 [1], 阎诺 [1], 吴锋 [1], 张文聪 [1], 刘凌云 [1],
[1] 湖北工业大学 武汉市 湖北省 中国

铁芯电抗器具有损耗小、噪音低、维护简单、电抗值线性度好、设计寿命长等优点,得到了越来越广泛的应用。但由于电抗器通风散热不良,导致运行中不同程度的局部过热,造成匝间短路、烧损,甚至引起火灾,严重影响电抗器的安全运行。该问题涉及电-磁-热-流体多物理场耦合,电抗器正常运行时电阻损耗和涡流损耗构成主要热源。本文采用COMSOL Multiphysics®多物理场仿真软件,通过AC/DC模块、传热模块、流体模块对铁芯电抗器的电路、磁场、损耗和温升空间分布进行研究。首先施加激励分别得到铁芯、线圈的磁场及损耗密度分布,然后将铁芯及线圈的损耗值添加为插值,作为流场 ... Read More

方便餐盒微波加热特性研究

宋春芳 [1], 王燕 [1], 金光远 [1], 崔政伟 [1],
[1] 江南大学,无锡,江苏,中国

方便餐盒微波加热特性研究 宋春芳※ 王燕 金光远 崔政伟   (江苏省食品先进制造装备技术重点实验室,江南大学机械工程学院,江苏,无锡,214122) 摘要:本文采用 COMSOL Multiphysics® 建立了电磁与传热耦合的仿真模型,研究方便餐盒微波加热传热特性规律,模型包括加热腔、波导以及可旋转的转盘和物料,通过比较不同转速对仿真结果的影响,选用 7.5rpm 作为转盘转速。研究结果表明,微波功率为 700W,90s 的微波加热后,方便餐盒空间温度场分布和瞬态温度曲线与实验结果基本保持一致,微波仿真模型可行 ... Read More

用于防腐层下缺陷检测的电容成像装置

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

带有防腐层的金属管道被广泛应用到油气输送,金属管道表面缺陷的存在会对管道运行产生安全隐患,如何检测防腐层下金属表面缺陷一直是无损检测领域的难题;本文设计了一种基于电容成像技术的新型电容成像探头(图1),利用该探头对不同深度的表面缺陷进行线扫描研究,并搭建电容成像实验装置(图2)进行实验研究,最后对比分析仿真结果(图3)与实验结果(图4)。 计算方法:通过 COMSOL Multiphysics® 软件的 AC/DC 模块,利用背对背三角形电容成像探头对不同深度的表面缺陷进行线扫描。求电容值仿真中用到了“静电(es)”接口,涉及到了基本的电磁学方程。 结果 ... Read More

Modeling of Vibrating Atomic Force Microscope´s Cantilever within Different Frames of Reference

E. Kamau, and F. Voigt
University of Oldenburg, Germany

Cantilever vibration modes were simulated with COMSOL Multiphysics. In the 1st approach the model consisted of an excitation piezo, a holder plate and a chip where the cantilever was mounted on. A sinusoidal voltage signal was applied to the piezo in the simulation, which resulted in ... Read More