Dynamic behavior of micro structure in micro fluidic channel

Auteurs-es

  • Md Shakhawat Hossain CONCAVE Research Center, Department of Mech. and Ind., Engineering Concordia University, 1515 St Catherine (W), Montreal, QC H3G2W1, Canada
  • Muthukumaran Packirisamy CONCAVE Research Center, Department of Mech. and Ind., Engineering Concordia University, 1515 St Catherine (W), Montreal, QC H3G2W1, Canada
  • Subhash Rakheja CONCAVE Research Center, Department of Mech. and Ind., Engineering Concordia University, 1515 St Catherine (W), Montreal, QC H3G2W1, Canada

Mots-clés :

Atomic force microscopy, Fluids, Nanocantilevers, Dynamic behaviors, Dynamic motions, Finite element modeling, Fluid densities, Fluid excitation, Fluid flow, Fluid forces, Fluid pressures, Mesh module, Micro-cantilevers, Microfluidic channel, Multi-physics, Pressure load, Quality factors, Structural mechanics

Résumé

A study was conducted to demonstrate the finite element modeling of micro cantilever excited by the fluid force. The micro cantilever in the existing model was excited by a fluid pressure force created by the fluid flow. COMSOL Multiphysics was used to develop the model involving the use of 3 different modules. The three modules used included micro fluidic modules, structural mechanics module, and deform mesh module. It was also observed that two different types of finite element modeling were developed with the same geometry for conducting the investigations. It was found that the density and viscosity of fluid controlled the quality factor for the fluid excitation to the micro cantilever. The fluid density was also responsible for pressure load that created the dynamic motion of the cantilever.

Fichiers supplémentaires

Publié-e

2009-09-01

Comment citer

1.
Hossain MS, Packirisamy M, Rakheja S. Dynamic behavior of micro structure in micro fluidic channel. Canadian Acoustics [Internet]. 1 sept. 2009 [cité 13 mai 2026];37(3):206-7. Disponible à: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/2206

Numéro

Vol. 37 No. 3 (2009)

Rubrique

Actes du congrès de la Semaine canadienne d'acoustique

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