COMSOL-Cantilever Resonating in Water

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SUMMARY

The forum discussion centers on modeling a micro-cantilever resonating in water using COMSOL Multiphysics. The user encountered issues with the fluid-structure interaction module, noting that it behaved as if in a vacuum, failing to reflect the expected decrease in quality factor due to water damping. The user seeks guidance on selecting appropriate application modes within COMSOL for accurate modeling of this phenomenon.

PREREQUISITES
  • COMSOL Multiphysics 5.6 or later
  • Understanding of fluid-structure interaction principles
  • Knowledge of cantilever dynamics and quality factor concepts
  • Familiarity with modeling in a fluid medium
NEXT STEPS
  • Explore COMSOL's fluid-structure interaction module documentation
  • Learn about the application modes specific to cantilever modeling in COMSOL
  • Investigate methods for measuring quality factor in fluid environments
  • Research the effects of damping in micro-scale resonators
USEFUL FOR

Researchers, engineers, and students involved in micro-electromechanical systems (MEMS), particularly those focusing on cantilever dynamics and fluid interactions in COMSOL Multiphysics.

elph
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I am trying to model a micro-cantilever resonating in water, in order to measure the decrease in the quality factor due to water damping. I tried fluid-structure interaction module but observed no change in quality factor. It worked as if the medium is vacuum.
Can anyone guide me to select the appropriate application modes in COMSOL?
Thanks in advance..
 
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I don't know if you found the answer to this... but I would be interested If you have. I kind of am more interested in a macroscopic cantilever, but I am curious nonetheless...
 

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