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Ici vous trouverez les présentations issues des Conférences COMSOL à travers le monde. Réalisées par des utilisateurs de COMSOL Multiphysics, ces présentations explorent tous les domaines actuels d'innovation. Les applications couvrent pratiquement tous les secteurs industriels et impliquent des phénomènes électriques, mécaniques, fluidiques et chimiques. Utilisez la recherche rapide pour trouver les présentations les plus intéressantes dans votre domaine d'intérêt.

Consultez les proceedings de la Conference COMSOL 2024

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Deformation Behavior Of A Liquid Droplet Impacting A Solid Surface

S. Oukach[1], M. Elganaoui[1], B. Pateyron[1], and H. Hamdi[2]
[1]Laboratoire des Sciences des Procèdes Céramiques et de Traitements de Surface SPCTS, Limoges, France
[2]Laboratoire de Mécanique des Fluides et Energétique LMFE, Marrakech, Morocco

The quality of coatings obtained by means of thermal spraying depends strongly on the mechanism of the interaction between the molten droplets and the surface to be covered. The aim of the present study is to simulate the impact of a droplet onto a substrate, in order to have a good ... En savoir plus

Calibration of MHD Flow Meter using COMSOL Multiphysics

S. Sahu[1], R. P .Bhattachryay[1], E. R. Kumar[1]
[1]Institute for Plasma Research, Bhat, Gandhinagar, Gujarat, India.

There is limited option for non-intrusive flow measurement of liquid metals at high temperature. Liquid metal flowing in a conduit along with the transverse magnetic field induces emf in the liquid metal. The emf developed; which has linear dependency on flow velocity; can be used for ... En savoir plus

Optimization of Artificial Diffusion Stabilization Techniques and Corresponding Mesh Density Distribution in Drift Dominated Transport of Diluted Species

J. Jadidian[1], M. Zahn[1], N. Lavesson[2], O. Widlund[2], K. Borg[2]
[1]Massachusetts Institute of Technology, Cambridge, MA, USA
[2]ABB Corporate Research, Västerås, Sweden

This paper presents an optimized combination of artificial diffusion techniques to stabilize a drift dominated streamer discharge model which includes COMSOL Multiphysics’ Transport of Diluted Species modules for positive ion, negative ion, and electron charge densities, coupled through ... En savoir plus

Innovation of Combustion Particle Control Technologies Assisted by Numerical Modeling

D. Rubinetti [1],
[1] Institute of Biomass and Resource Efficiency, University of Applied Sciences and Arts Northwestern Switzerland, Windisch, Switzerland

Worldwide efforts to promote the use of renewable energies include combustion-based technologies that produce substantial amounts of pollutants. In order to control the environmental impact a proper treatment of exhaust gases is required. This study describes the development of a ... En savoir plus

Transient Process Simulation of Heat Transfer in Laser Beam Welding with an Equivalent Heat Source

A. Artinov [1], M. Bachmann [1], M. Rethmeier [1],
[1] BAM Federal Institute for Material Research and Testing, Berlin, Germany

The Finite Element Method (FEM) has become an established numerical tool used for different academic and industrial purposes. It allows the prediction of weld pool geometry, thermal cycle, final distortion and residual stress field during and after fusion welding. The capability of the ... En savoir plus

Updated Results of Singlet Oxygen Modeling Incorporating Local Vascular Diffusion for PDT

R. Penjweini[1], M. M. Kim[1], T. C. Zhu[1]
[1]Department of Radiation Oncology, University of Pennsylvania, Philadelphia, PA, USA

Introduction: Singlet oxygen (¹O₂) has a critical role in the cell-killing mechanism of photodynamic therapy (PDT). Therefore, in this study, the distance-dependent reacted ¹O₂ is numerically calculated using finite-element method (FEM). Herein, we use a model [Ref. 1] that has been ... En savoir plus

Direct and Indirect Coupling Mechanisms in a Chiral Plasmonic System

Zhongyue Zhang [1], Yuyan Chen [1],
[1] School of Physics and Information Technology, Shaanxi Normal University, Xi’an, China

手性等离激元纳米结构被广泛研究并用于生物监测、分析化学和负折射率介质方面。在该结构中直接耦合的机制已经在相关研究中被发现。我们提出由金膜分隔两个金纳米棒(TNMF)的结构(图1)，并发现了间接耦合机制。在 COMSOL Multiphysics® 中，射频电磁波，频域接口用于求解正弦时变电磁场分布，选此接口计算 TNMF 结构的光学响应。插值函数用来设置金的折射率；设置边界条件模拟周期性结构阵列。结果可通过端口2对端口1的响应获得，并可查看每个数据点的电场、电荷等分布。应用程序库中射频模块的“Plasmonic wire grating ... En savoir plus

A Standalone Interface for Web-Based Virtual Reality of Calculated Fields

M. Jüttner [1], N. Zhao [1], S. Grabmaier [1],
[1] University of Stuttgart, Institute for Theory of Electrical Engineering, Stuttgart, Germany

A standalone interface for web-based virtual reality and the underlying visualization system are presented. The developed user-friendly web application is implemented based on nowadays web techniques. Details for data handling and rendering are given to visualize COMSOL Multiphysics® ... En savoir plus

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 ... En savoir plus

Sound Pressure Amplification Using FP Resonance of Acoustic Metamaterial Cavity

J. Kim [1]
[1] Department of Mechanical Engineering, Hongik University, South Korea

Metamaterials are periodic or quasi-periodic, sub-wavelength metal structures. The material properties are derived from its structure rather than inheriting them directly from its material composition. En savoir plus

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