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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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Matching 4D Porous Media Fluid Flow GeoPET Data With COMSOL Multiphysics Simulation Results

J. Lippmann-Pipke, J. Kulenkampff, G. Marion, and M. Richter
Helmholtz-Zentrum Dresden
Rossendorf, Institut of Radiochemistry
Research Site Leipzig
Reactive Transport Division
Leipzig, Germany

We apply COMSOL Multiphysics for reproducing our experimental observations of fluid flow and transport processes in geological media. Our experimental GeoEPT-method allows the 4D monitoring of transport processes in geological material on laboratory scale. Explicitly we import ... En savoir plus

Numerical Modeling of the Near-Subsurface Temperature Distributions in the Presence of Time Varying Air Temperature in the Boundary Condition and Space Varying Temperature for the Initial Condition

M. Ravi[1], D. V. Ramana[1], R. N. Singh[1]
[1]CSIR - National Geophysical Research Institute, Hyderabad, Telangana, India

The subsurface thermal structure in presence of groundwater recharge/discharge has been obtained by applying the Robin type boundary condition at the earth’s surface. The Robin type boundary condition involves the effect air temperatures at the surface which are taken as exponentially ... En savoir plus

Key-Holes Magnetron Design and Multiphysics Simulation

A. Leggieri[1], F. Di Paolo[1], D. Passi[1]
[1]Univeristy of Rome "Tor Vergata" - Department of Electronic Engineering, Rome, Italy

This paper describes the design and characterization of an 8 slots resonant cavity Magnetron, which undergoes thermal-structural effects due to cathode heating. The proposed study involves Thermal Stress, Eigen-frequency and Particle Tracing analysis based on COMSOL Multiphysics®. ... En savoir plus

The Effects of the Electrical Double Layer on Giant Ionic Currents through Single Walled Carbon Nanotubes

G. Zhang[1][,][2][,][3], S.L. Bearden [1]
[1]Department of Bioengineering, Clemson University, Clemson, SC, USA
[2]Department of Electrical and Computer Engineering, Clemson University, Clemson, SC, USA
[3]Institute for Biological Interfaces of Engineering, Clemson University, Clemson, SC, USA

Electrofluidic transport through a single walled carbon nanotube (SWCNT) is enhanced by electroosmosis. Electroosmosis is made possible in these devices by the combination of a large slip length within SWCNTs and the interfacial potential at the solution/nanotube interface. A ... En savoir plus

Computational Analysis on Commercially Available Stent Designs

K. Basu[1], P. Ghosh[2], S. Bhattacharjee[2], S. Das [2], A. Chanda[1]
[1]School of Bio Science and Engineering, Jadavpur University, Kolkata, West Bengal, India
[2]Department of Mechanical Engineering, Jadavpur University, Kolkata, West Bengal, India

Cardiovascular disease has become a major healthcare problem. To tackle this along with bypass surgery, the use of the cardiovascular stent is considered promising and effective. In this study, we aim to find the effectiveness of stent deployments and their influence on haemodynamics ... En savoir plus

Shear Induced Detachment Of Microorganisms Attached To A Plane Wall

B. Boulbène, J. Morchain, and P. Schmitz
Université de Toulouse, NSA, UPS, INP, LISBP, Toulouse, France

We present numerical results involving microorganisms adhering to a plane surface submitted to a shear flow. The purpose is to have a better understanding of the removal mechanisms occurring during the cleaning in place of food processing equipments. The biological cell, i.e. the ... En savoir plus

First Approach Toward a Modeling of the Impedance Spectroscopic Behavior of Microbial Living Cells

D. Rauly [1], P. Xavier [1], E. Chamberod [2], J. M. F. Martins [3], J. Angelidis [4], H. Belbachir [5]
[1] IMEP-LAHC, Universite Grenoble Alpes, France
[2] IUT, Universite Grenoble Alpes, France
[3] LTHE, Grenoble Alps University - CNRS - IRD, France
[4] LEAS, St. Ismier, France
[5] HBA Biotech SA, Grenoble, France

The subject of the interactions between electromagnetic (EM) fields and living cells is a strong issue for several decades [1]. Large number of works have been done to study the EM field penetration and inner induced currents in living microorganisms. Relevant information to be collected ... En savoir plus

Numerical Investigation of Strouhal Frequencies of Two Staggered Bluff Bodies

Eswaran M[1], P. Goyal[1], Anu Dutta[1], G.R. Reddy[1], R. K. Singh [1], K.K. Vaze[1]
[1]Bhabha Atomic Research Centre, Mumbai, India

A 2-D unsteady viscous flow around two cylinders is studied by numerical solutions of the unsteady Navier-Stokes equations with a finite element formulation using COMSOL Multiphysics®. The results of a numerical investigation of the Strouhal frequencies of two identical, stationary, ... En savoir plus

Laminar Thermal Mixing in Coating Flows

A. Haas[1], M. Scholle[1], A. Aksel[1], H.M. Thompson[2], R.W. Hewson[2], and P.H. Gaskell[2]

[1]Department of Applied Mechanics and Fluid Dynamics, University of Bayreuth, Bayreuth, Germany
[2]School of Mechanical Engineering, University of Leeds, Leeds, United Kingdom

Heat transfer in a plane shear flow configuration consisting of two infinitely long parallel plates is considered. In laminar flows over undulated substrates eddies can be generated due to the kinematical constraints. A closed form analytical solution for the velocity field, based on ... En savoir plus

Optimization of DPF Structures with a 3D-Unit Cell Model

W. Beckert[1], M. Dannowski[1], L. Wagner[1], J. Adler[1]
[1]Fraunhofer IKTS, Dresden, Germany

The 3D unit cell model approach offers an efficient tool to analyze the influences of geometrical design (channel shape and arrangement, filter length, wall thickness) and filter material properties (permeability, soot loading characteristics) on the performance of ceramic particle ... En savoir plus

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