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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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Flow and heat transfer simulations as a development tool for a novel microcalorimeter

C. Fricke¹, T. Klee², S. Richter², S. Paufler¹, H. Harms¹, T. Maskow¹
¹Helmholtz Centre for Environmental Research – UFZ, Leipzing, Germany
²Loetec Elektronische Fertigungssysteme GmbH, Lutherstadt Wittenberg, Germany

Calorimetry is the method of choice for determining one of the most elementary physical quantities: heat, Q [in J]. Depending on the individual issue a wide range of techniques, devices and methods are available for users [1]. One approach is called isothermal microcalorimetry (IMC). It ... En savoir plus

MEMS Based Tactile Sensors for Robotic Surgery

V. Nivethitha[1], S. P. Rakavi[1], K. C. Devi[1]
[1]PSG College Of Technology, Coimbatore, Tamil Nadu, India

In this work, a piezoelectric tactile sensor will be designed and simulated using COMSOL Multiphysics®. The sensor is designed in order to assess the pressure exerted on the human body while the robotic surgery is performed. The sensor consists of a rigid and compliant cylindrical ... En savoir plus

Multiphysics Simulation of the Effect of Sensing and Spacer Layers on SAW Velocity

P. Zheng[1,4], D.W. Greve[2,4], and I.J. Oppenheim[3,4]

[1]Department of Physics, Carnegie Mellon University, Pittsburgh, Pennsylvania, USA
[2]Department of Electrical and Computer Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania, USA
[3]Department of Civil and Environmental Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania, USA
[4]National Energy Technology Laboratory, Pittsburgh, Pennsylvania, USA

Surface acoustic wave gas sensors use a chemically sensitive resistive layer to detect gas concentration. The resistivity of the sensing material, the sensing layer thickness, and the spacer layer thickness all affect the surface wave propagation velocity. Existing analytic theory ... En savoir plus

Design and Simulation of MEMS Anemometer

D. Tandon [1], N. Kothari [1],
[1] Birla Institute of Technology & Science, Pilani, Rajasthan, India

Wind speed measurement is a very important factor in various fields such as aeronautics, meteorology and farming. The conventional wind sensor comprises of small mechanical apparatus such as propeller and cup anemometers, or consists of thermal element such as hot wire anemometers, or ... En savoir plus

Simulation of Electrothermoplasmonic Flow Around an Array of Gold Nanoantennas for Plasmonic Sensing

E. Ruiz-Reina¹, R.A. Rica², J. García³, R. Quidant⁴
¹University of Málaga, Spain
²University of Granada, Spain
³ICFO-Institut de Ciències Fotòniques, Barcelona In
⁴ICREA-Institució Catalana de Recerca i Estudis Ava

Plasmonic-based biosensors have emerged as a powerful, cost effective and portable platform for phatogen and biomarker detection. In particular, Localized Surface Plasmon Resonance (LSPR) based systems, which rely on resonance shift tracking, present high sensitivity, specificity and ... En savoir plus

Carbon Steel Pipeline Wall Thickness Measurement Using Pulsed Eddy Current Technique

S. Roy[1], S. K. Pradhan[1], T. V. Shyam[2], B. S. V. G. Sharma[2],
[1] Atomic Energy Regulatory Board, Mumbai, Maharashtra, India
[2] Bhabha Atomic Research Centre, Mumbai, Maharashtra, India

Carbon Steel pipes are used as feeder pipes in Pressurized Heavy Water Nuclear Reactors for carrying the coolant from the inlet headers to the coolant channel and again from outlet of the coolant channel to the outlet headers and are part of the Primary Heat Transport (PHT) System of ... En savoir plus

Frequency Dependent UEP Signatures of Naval Vessels Modeled by a Current Dipole

C. Broecheler [1], Ch. Thiel [1], A. Rennings [1], F. Ludwar [2], J. Doose [2], D. Erni [1],
[1] General and Theoretical Electrical Enigneering (ATE), University of Duisburg-Essen, and CENIDE-Center for Nanointegration Duisburg-Essen, Duisburg, Germany
[2] Technical Center for Ships and Naval Weapons, Naval Technology and Research (WTD71), Eckernförde, Germany

The underwater electric potential (UEP) signature of naval vessels poses a severe threat as it is detectable by advanced sea mines. The signature depends also on the environment, mainly the water-seabed interface, leading in summary to the total UEP signature. The seabed has a ... En savoir plus

Implementation of Time-based 3-axis Capacitive Accelerometer using COMSOL Multiphysics®

Vishwesh A. Vyawahare [1], Nikhil Sarode [1], Surabhi Jadhav [1], Jennefer Sen [1], Trupti P. Agarkar [1], Akshay A. Jadhav [1],
[1] Ramrao Adik Institute of Technology, Navi Mumbai, Maharashtra, India

Micro-Electro-Mechanical system (MEMS) can be understood as miniaturized mechanical and electromechanical elements that include sensors, actuators, and microelectronics. Capacitive accelerometers are the devices which measure the acceleration on a surface using capacitive sensing ... En savoir plus

Development of a RheoDSC, an Instrument for Simultaneous Rheological and Calorimetric Measurements

L. Van Lokeren [1], R. Verhelle [1], C. Block [1], P. Van Puyvelde [2], G. Van Assche [1]
[1] Vrije Universiteit Brussel, Brussels, Belgium
[2] Catholic University of Leuven, Leuven, Belgium

Transformations in polymers, such as polymerisation, melting/crystallization, and phase separation/remixing, are associated with changes in both rheological and thermal properties. To permit simultaneous calorimetric and rheometric measurements, the RheoDSC was developed. The RheoDSC ... En savoir plus

Electrical Energy Harvesting from Body Heat: Indirect Conversion via Mechanical Vibration

S. Shin [1], H. Mojtaba [1], F. Ayazi [1],
[1] Georgia Institute of Technology, Atlanta, GA, USA

Recent rapid progress in MEMS with wireless communication system has enabled low power micro sensor network for human body, Body Area Sensor Network (BASN). The information gathering from BASNs will provide a significant opportunities for various medical applications. One of the key ... En savoir plus

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