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
Multiphysicsx

电池包散热装置及热分析 new

栗欢欢 [1], 孙浩瀚 [1], 饶维宁 [1], 王效宇 [1], 王毅洁 [1], 竺玉强 [1],
[1] 江苏省镇江市江苏大学汽车工程研究院

在电池包中,存在多个模组和电池串并联而会不断的积蓄热量,热量得不到及时的控制,导致电池组温度分布的不均匀性,引起电池寿命的减少和均衡性变差,同时电池安全也得不到保障,设计出高效且可靠的散热结构和方式尤为重要。 通过COMSOL Multiphysics 5.4软件中建立耦合的电池瞬态热模型,包括模型几何的构建,材料参数的导入以及网格剖分。电池的几何模型为原始几何模型,在COMSOL Multiphysics 5.4软件中的边界条设置均为默认,网格剖分采用物理场控制的四面体网格。在模型的输入部分主要为三块,分别为电池的发热功率随时间的变化曲线 ... Read More

基于COMSOL多物理场耦合的FCM燃料性能分析模型 new

张程 [1],
[1] 西安交通大学,西安,陕西,中国

全陶瓷微密封装(FCM:Fully Ceramic Microencapsulated)燃料,作为新一代用于核反应堆的耐事故燃料(ATF)元件的关键组成部分,具有裂变产物包容能力强、热导率高、辐照稳定性好等优势。FCM是由大量TRISO燃料颗粒(~103个/芯块)弥散于SiC基体组成的柱状芯块。其结构复杂,需要精细的数值模拟技术支撑研发。基于COMSOL多物理场耦合有限元软件开发的FCM燃料单颗粒和元件级芯块的多维热学-力学-裂变产物扩散耦合分析模型,详细考虑了材料物性参数随时间、温度、燃耗、快中子注量等因素的变化,基于COMSOL内置和自定义的模块 ... Read More

高温堆加热除湿试验升温过程研究 new

沈凯跃 [1], 郑伟 [1], 银华强 [1], 何学东 [1], 马涛 [1], 马晓珑 [2],
[1] 清华大学核能与新能源技术研究院
[2] 西安热工研究院有限公司

高温气冷堆中使用了大量的碳素材料,作为多孔材料,碳素材料含有一定水分等杂质。为了减小反应堆高温运行条件下的堆内材料腐蚀,高温堆在初装堆和事故后需要对一回路进行严格的加热除湿操作。目前一回路加热除湿主要是依靠主氦风机旋转,将动能转换为热能来提升温度。本文将采取另外一种方案,在蒸汽发生器处增加外加热源来加热一回路工质。基于大型商用软件COMSOL Multiphysics建立高温堆内一回路加热的流动传热模型,对两种加热方案的一回路升温过程作数值分析,为高温堆加热除湿方案的选择提供有益的指导。本文中使用的物理场为传热——共轭传热——湍流,多物理场耦合为非等温流动。 Read More

亚波长/纳米波导中受激布里渊散射的数值仿真 new

苏晓星 [1],
[1] 北京交通大学

亚波长/纳米尺度波导中的受激布里渊散射是近年来集成光学、纳米光子学、非线性光学、声子学等领域的热点问题。本报告详细介绍用Comsol Multiphysics软件对这类问题进行数值仿真的技术细节,主要内容包括:(1)采用波动光学模块计算光波导模式;(2)基于pde模块中的弱形式进行弹性波波导建模与计算;(3)声光耦合系数的数值积分计算。报告中将给出具体的数值算例,并对Comsol Multiphysics对处理这类问题的优势进行总结。 Read More

A Multi-Physics Framework for the Geometric Optimization of a Diaphragm Electrostatic Micropump

E. Bertarelli[1], R. Ardito[1], E. Bianchi[1], K. Laganà[1], A. Corigliano[1], G. Dubini[1], and R. Contro[1]

[1]Department of Structural Engineering, Politecnico di Milano, Milano, Italy

In this work, an electrostatic diaphragm micropump is investigated by means of COMSOL Multiphysics®. A fluid-dynamic model is adopted to evaluate the fluid flow characteristics inside the pumping chamber, in static conditions. In parallel, electromechanical quasi-static simulations ... Read More

Expanding Your Materials Horizons

R.W. Pryor
Pryor Knowledge Systems, Inc., Bloomfield Hills, MI, USA

The concept of virtual prototyping can be found linked to many different keywords in the literature: modeling, look-ahead problem solving, etc. This poster paper briefly discusses the potential real benefits that can be realized through pre-build cost savings, minimization of the number ... Read More

Control of Technological and Production Processes Modeled by COMSOL Multiphysics as Distributed Parameter Systems

G. Hulkó, C. Belavý, G. Takács, and P. Zajíček
Slovak Technical University in Bratislava, Bratislava, Slovakia

COMSOL Multiphysics is widely utilized in the modeling of dynamics of technological and manufacturing processes. At the same time the investigated technological and manufacturing processes are generally described by systems of partial differential equations as distributed parameter ... Read More

Three Dimensional Numerical Study of the Interaction of Turbulent Liquid Metal Flow with an External Magnetic Field

G. Pulugundla[1], M. Zec[2], and A. Alferenok[3]
[1]Institute of Thermodynamics and Fluid Mechanics, Ilmenau University of Technology, Ilmenau, Germany
[2]Department of Advanced Electromagnetics, Ilmenau University of Technology, Ilmenau, Germany
[3]Electrothermal Energy Conversion Group, Ilmenau University of Technology, Ilmenau, Germany

Lorentz Force Velocimetry (LFV) is a non-contact measurement technique used to determine flow rates in electrically conducting fluids by exposing the flow to an external magnetic field and measuring the Lorentz force acting on the magnet system. Typically, for LFV applications real and ... Read More

Structural Mechanics for Real Geometry of Basalt Woven Composites

J. Salacova[1]
[1]Technical university of Liberec, Department of Material Engineering, Liberec, Czech Republic

Woven composites with basalt reinforcement plain 1x1 are examined to define structural mechanics. Woven composites were created by the prepreg technology, 8 layers of plain-weave basalt fabrics were saturated by the precursor, polysiloxane matrix Lukosil®, and joint pressed during ... Read More

Heat Generation from H₂/D₂ Pressurization of Nanoparticles: Simulation of the Experiments on COMSOL Multiphysics®

A. Osouf[1], G. Miley[2], B. Stunkard[3], T. Patel[3], E. Ziehm[2], K. Kyu-Jung[3], A. Krishnamurthy[1]
[1]Department of Aerospace Engineering, University of Illinois at Urbana - Champaign, Urbana, IL, USA
[2]Department of Nuclear, Plasma & Radiological Engineering, University of Illinois at Urbana - Champaign, Urbana, IL, USA
[3]University of Illinois at Urbana - Champaign, Urbana, IL, USA

A COMSOL Multiphysics® model of our apparatus has been created in order to simulate the pressurizations of our nanoparticles by Deuterium. Using reference measurements during a cooling process, we calibrated the model so that its thermal aspects reflect the ones of our experimental set ... Read More