了解多物理场仿真在基础研究和产品设计中的应用

各个行业的工程师和科研人员都在使用多物理场仿真来研发创新的产品设计和流程。他们在 COMSOL 用户年会上展示了丰富的技术论文和演示文稿,您可以从他们的研究成果中寻找灵感。

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查看 COMSOL 用户年会 2020 论文

AC/DC Electromagneticsx

安装在有限大障板上的轴对称扬声器特性的近似计算方法

陆晓 [1], 温周斌 [1],
[1] 浙江中科电声研发中心,嘉善,浙江,中国

使用 COMSOL Multiphysics® 仿真轴对称扬声器一般可采用 2D 轴对称模型,但在这种坐标系下无法建立扬声器测量中常用的矩形障板模型,而选择计算安装在无限大障板上扬声器的声特性 ... 扩展阅读

稳态磁场对激光熔凝熔池的抑制作用研究

王梁[1], 胡勇[1]
[1]浙江工业大学,杭州,浙江,中国

激光熔凝通常被作为材料表面的最终处理工艺,然而激光熔凝处理后,材料表面容易出现高低起伏的波纹,降低了其表面质量。因此,为了在激光熔凝处理后获得平整的表面,同时降低后续机加工所需的成本和时间 ... 扩展阅读

关于气泡在LIMCA系统中变形的数值模拟

杨文志[1], 王晓东[1]
[1]中国科学院大学,北京,中国

LIMCA技术是一种原位测量高温液态金属中杂质颗粒的方法。测量的原理为:在一个小孔内外设置一对电极,并且通以电流,这样可以在孔口附近形成一个电敏感区,当杂质经过电敏感区时,通过测量电压脉冲信号以检测杂质的信息 ... 扩展阅读

3D Magneto-Thermo-Hydrodynamic Modeling of Arc Welding

Marc Le Gal La Salle1, Stephen Cadiou2, Muriel Carin2, Mickael Courtois2, Alexandre Brosse3
1Framatome DTIMLT, 69007 Lyon France and IRDL, UMR CNRS 6027, Univ. Bretagne Sud, 56321 Lorient France
2IRDL, UMR CNRS 6027, Univ. Bretagne Sud, 56321 Lorient France
3Framatome DTIMLT, 69007 Lyon France

In the nuclear industry, and particularly at Framatome, mastery of welding processes is essential. Framatome ... 扩展阅读

A Multiphysics Approach Towards a Sustainable Future: SC Cables for Next-Generation Fusion Reactors

S. Sparacio1, M. Fracasso1, F. Ledda1, D. Torsello1, L. Gozzelino1, G. Ghigo1, R. Gerbaldo1, F. Laviano1
1Department of Applied Science and Technology, Politecnico di Torino, Torino 10129, Italy

In recent years, the optimization of high-temperature superconductors (HTS) has shown promising potential for ... 扩展阅读

Challenges in the Simulation of Vacuum Processing Hardware

Juergen Weichart1, Thomas Tschirky1
1Evatec AG, Hauptstrasse 1a, CH-9477 Trübbach, Switzerland

Process Hardware for heating, etching and plasma deposition in vacuum processes on Silicon wafers or glass ... 扩展阅读

Computational Modeling of Plasma Using Single-Fluid and Two-Fluid Modeling Approaches

Sai Likitha Siddanathi1, Lars-Goran Westerberg1, Hans O. Akerstedt 1, Henrik Wiinikka 2, Alexey Sepman2
1Luleå University of Technology
2RISE AB

Plasma, a complex fluid consisting of electrons, ions, neutrals, and excited species, exhibits both fluid ... 扩展阅读

Contact Resistance and Joule Heating

P. Vorauer1
1Fronius

Simulation of thermal and electrical contact resistance of welding torch nozzles In modern engineering and ... 扩展阅读

Electromagnetic Simulation of High-Temperature Superconductors

K. de Mare1, R. Wesselink1
1DEMCON Multiphysics

High-temperature superconductor (HTS) technology is more and more commercially exploited, mainly for nuclear ... 扩展阅读

Electrothermoplasmonic Flow in Gold Nanoparticle Suspensions

Emilio Ruiz-Reina1, Carlos David Gónzalez-Gómez1, Raúl A. Rica2
1University of Málaga, Málaga, Spain
2University of Granada, Granada, Spain

Efficient mixing and pumping of liquids at the microscale is a technology that is still to be optimized. The ... 扩展阅读