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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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MEMS Cleanroom Particle Contamination Flow Visualization through Fluid-Structure Interaction Simulation

S. P. Regalla [1], S. R. Vutla [1], A. Shushanth [1], P. K. Pattnaik [1], K. Ramaswamy [1], M. B. Srinivas [1]
[1] Birla Institute of Technology and Science Pilani, Hyderabad Campus, Hyderabad, Telangana, India

This paper reports the simulation of micro-electro-mechanical system (MEMS) cleanroom for the purpose of determining the effect of particulate contaminants on the static stress response of cantilever type MEMS devices, such as high precision MEMS pressure sensor. The contaminant presence ... En savoir plus

Electrostatic Fluid Structure Interaction (EFSI) on the Huygens Experiment

R. Godard [1], J. de Boer[1], N. Ibrahim[2], and G. Molina-Cuberos[3]
[1]Royal Military College of Canada, Kingston, ON, Canada
[2]University of Toronto, Toronto, ON, Canada
[3]Campus Espinardo, Murcia, Spain

The Huygens Atmospheric Structure Instrument (HASI) was designed to characterize the physical properties of the lower atmosphere and surface of Titan, the planet-size moon of Saturn. The Relaxation Probe (RP) sensor on the Huygens probe, determined the electrical conductivity in the ... En savoir plus

Computational Methods for Multiphysics Applications with Fluid-structure Interaction

P. Seshaiyer[1], K. Nong[1], S. Garcia[2], E. Aulisa[3], and E. Swim[4]
[1]George Mason University, Farifax, VA, USA
[2]United States Naval Academy, Annapolis, MD, USA
[3]Texas Tech University, Lubbock, TX, USA
[4]Sam Houston State University, Huntsville, TX, USA

Efficient modeling and computation of the nonlinear interaction of fluid with a solid undergoing nonlinear deformation has remained a challenging problem in computational science and engineering. Direct numerical simulation of the non-linear equations, governing even the most simplified ... En savoir plus

Design and Analysis of Fluid Structure Interaction for Elbow Shaped Micro Piping System

V. S. P. Rajesh[1]
[1]St. Mary's Group of Institutions, Jawaharlal Nehru Technological University, Hyderabad, Telangana, India

Fluid and structure Interaction analysis can be applied to versatile fields of engineering applications, helps in understanding the affects of one material on other, thereby reducing the effect of physical parameters like nonlinear response, vibration in flow channel etc. Rapid ... En savoir plus

Acoustic-Structure Interaction Modeling of Piezoelectric Transducer in Fluid Medium

V.M. Acosta[1], E. Riera[1], G. Rodriguez[1], A. Pinto[1], A. Cardoni[2], J.A. Gallego-Juárez[1]
[1]Power Ultrasonics Group, CSIC, Serrano, Madrid, Spain
[2]Pusonics, Arganda del Rey, Madrid, Spain

This work describes the design methodology and development of piezoelectric transducers for applications in fluids with COMSOL_Multiphysics. In these linear models for the acoustic-structure interaction approximate numerical solutions have been obtained. In order to perform the ... En savoir plus

Fluid Structure Interaction Applied to Upper Aorta Blood Flow

J. Anza[1], and M. Esteves[2]
[1]Department of applied mathematics, University of the Basque Country, Bilbao, Spain
[2]University of the Basque Country, Bilbao, Spain

This work deals with the computer simulation of the blood flow, the arterial wall deformation and their 3D bidirectional interaction, including initial stresses and root displacements. The flow is laminar and steady with flexible walls modeled with a hyperelastic Demiray material model. ... En savoir plus

Study of Direct Wafer Bonding Process Based on Coupled Structural Deformation and Fluid Dynamics

Sichen Liang¹, Zhiheng Huang¹, Min Xiao¹, Yuezhong Meng¹, Hui Yan², Yang Liu³
¹The Key Laboratory of Low-carbon Chemistry & Energy Conservation of Guangdong Province, and School of Materials Science and Engineering, Sun Yat-sen University, Guangzhou, Guang dong, China
²School of Computer Science and Engineering, Sun Yat-sen University, Guangzhou, Guang dong, China
³School of Electronics and Information Technology, Sun Yat-sen University, Guangzhou, Guang dong, China

Wafer bonding technology has become a crucial process in 3D IC integration, particularly as a key method for monolithic integration where Through-Silicon Via (TSV) technology is not used [1]. However, due to the intricate mechanical stress and interconnect reliability issues associated ... En savoir plus

Study of a WCLL breeding blanket concept for a compact nuclear fusion reactor

Raphaël DAVID-MENENDEZ¹, Krishshanth PIRAPAKARAN¹
¹French Alternative Energies and Atomic Energy Commission (CEA)

Nuclear fusion represents a promising solution for providing clean and sustainable energy. However, to support fusion reactions, tritium, a rare isotope, must be continuously produced within the reactor. Breeding blankets, which surround the plasma, produce this tritium. These components ... En savoir plus

Numerical Aspects of the Implementation of Artificial Boundary Conditions for Laminar Fluid-Structure Interactions

C. Boeckle[1], P. Wittwer[1]
[1]University of Geneva, Geneva, Switzerland

We discuss the implementation of artificial boundary conditions for stationary Navier-Stokes flows past bodies in the half-plane, for a range of low Reynolds numbers. When truncating the half-plane to a finite domain for numerical purposes, artificial boundaries appear. We present an ... En savoir plus

Fluid-Structure Interaction Modeling for an Optimized Design of a Piezoelectric Energy Harvesting MEMS Generator

I. Kuehne[1], A. van der Linden[2], J. Seidel[1], M. Schreiter[1], L. Fromme[2], and A. Frey[1]
[1]Siemens AG, Corporate Research & Technologies, Munich, Germany
[2]Comsol Multiphysics GmbH, Göttingen, Germany

This paper reports the design of a piezoelectric energy harvesting micro generator for an energy autonomous tire pressure monitoring wireless sensor node. For our design we use a piezoelectric MEMS generator approach without additional mass. The intrinsic mass of the cantilever is in the ... En savoir plus

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