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Voyez comment la modélisation et la simulation sont utilisées par les industries La modélisation et la simulation multiphysiques pilotent l'innovation dans tous les grands secteurs d'activité et dans le monde universitaire — comme en témoignent les nombreuses utilisations présentées dans des articles et des posters techniques présentés par des ingénieurs, chercheurs et scientifiques à la Conférence COMSOL chaque année. Inspirez-vous des récents proceedings réunis ci-dessous, ou, pour trouver les présentations les plus intéressantes dans votre domaine d'intérêt, utilisez la recherche rapide.

Consultez les proceedings de la Conference COMSOL 2024

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Finite Element Analysis of Contact Studies of Radio Frequency MEMs Switch Membranes

J. Liu [1], V. B. Chalivendra [1], C. Goldsmith [1], W. Huang [1]
[1] University of Massachusetts - Dartmouth, Dartmouth, MA, USA

Radio frequency (RF) micro-electro mechanical system (MEMS) switch works in on/off modes controlled by electrostatic forces. In off mode, rough surfaces of electrodes come into a contact. Membrane contact surfaces have complex surface roughness patterns and the mechanical contact problem ... En savoir plus

Simulating Experimental Conditions of the HIIPER Space Propulsion Device

A. Krishnamurthy[1], G. Chen[1], B. Ulmen[1], D. Ahern[1], G. Miley[1]
[1]University of Illinois at Urbana - Champaign, Urbana, IL, USA

The Helicon-Injected Inertial Plasma Electrostatic Rocket (HIIPER) is a two-stage electric propulsion system comprising of a helicon plasma source and an inertial electrostatic confinement (IEC) device for plasma production and acceleration, respectively. Several diagnostics such as a ... En savoir plus

Design and Finite Element Analysis of Electrothermal Compliant Microactuators

A. R. Kalaiarasi, and S. H. Thilagar
Annauniversity Chennai
TamilNadu, India

Electrothermal actuators are capable of providing larger displacements compared to electrostatic actuators. Four designs for ETC actuators with the same material properties and same dimensions are studied. En savoir plus

Modeling Gate-Tunable Ionic Transport Using Atomically Thin Patterned Graphene Membrane

C.-J. Shih [1], T. Tian [1], R. Wyss [2], K. Yazda [3], H. G. Park [3],
[1] D-CHAB, ETH Zürich, Switzerland
[2] D-MATL, ETH Zürich, Switzerland
[3] D-MAVT, ETH Zürich, Switzerland

Patterned two-dimensional (2D) materials have recently become promising candidates for separation processes in both gaseous and aqueous phases, due to mechanical strength and atomic thickness. Conventional separation technique using 2D materials are limited by the surface charge of 2D ... En savoir plus

Design and Simulation of Cyclotron Magnet Using COMSOL Multiphysics®

F. Alrumayan [1], A. Hendy [1], H. Kassim [2],
[1] King Faisal Specialist Hospital and Research Centre, Saudia Arabia
[2] King Saud University, Saudia Arabia

Medical accelerators, in particular Cyclotrons, are used to accelerate charged particles to tens of Mega electron Volts (MeV) of energies. These high energy particles then used to produce isotopes for medical application such the system located at king Faisal Specialist Hospital and ... En savoir plus

The Spiral RF MEMS Switch in COMSOL Multiphysics

K. M. V. Swamy[1], B. G. Sheeparamatti[1], G. R. Prakash[1]
[1]Basaveshwara Engineering Collage, Bagalkot, Karnataka, India

This work presents the study of spiral RF MEMS switch which has low actuation voltage due to spiral structure. This work is inspired by the superior performance of electrostatic RF MEMS switches over the conventional state-of-the-art solid-state devices and the potential applications in ... En savoir plus

Validation of a high-voltage relay for deep-sea applications using COMSOL Multi-Physics®

Y. Haba¹, Sascha Krohmann¹, S. Arumugam¹, S. Kosleck ¹
¹University of Rostock, Chair of Marine Technology, Germany

Abstract High-voltage relays currently used for deep sea applications must be designed for extreme underwater conditions. So, pertinent materials used, and the design procedures adopted are novel, innovative but expensive. Alternatively, the existing high-power electric switches, relays ... En savoir plus

Simulation of a Scaled-up Deformable Mirror System Driven by MEMS-Based Lorentz Actuator Arrays

B. Park¹, A. J. Bergren¹, M. Belov¹, G .Burley², C. Shafai³
¹Nanotechnology Research Centre, Edmonton, Canada
²NRC-Herzberg Astronomy & Astrophysics, Victoria, BC, Canada
³Department of Electrical and Computer Engineering, University of Manitoba, Winnipeg, MB, Canada

This paper presents the design and simulation results of a MEMS-actuated deformable mirror (DM) consisting of a 20 × 20 Lorentz-force actuator array bonded to a flexible mirror. The DM is the critical component of an Adaptive Optics (AO) system targeted for ground-based telescope ... En savoir plus

Application for Ultrasensitive Biosensing by Nanodevise

[1]Takatoki YAMAMOTO

Tokyo Institute of Technology, Yokohama, Kanagawa, Japan[1]

It is possible to obtain novel functions using nano-scaled structures and related physics that are impossible to be realized by conventional macro-scale technology. Thus, we are trying to understand the physics dominated by nanostructure and to develop the biosensing applications. Here, ... En savoir plus

Simulating Specular Reflectance in Solar Cleaning Films using the Particle Tracing Module of the COMSOL Multiphysics® Software and LiveLink™ for MATLAB®

J. Bone [1], C. Morales [1], R. Eriksen [1], M. Mazumder [1], M. Horenstein [1],
[1] Electrical and Computer Engineering, Boston University, Boston, MA, USA

One of the obstacles preventing photovoltaic and concentrated solar power technologies from scaling up to meet increasing electricity demands is the inevitable dust accumulation on the optical surfaces of solar collectors. The ideal location for solar power is arid environments due to ... En savoir plus

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