What is it about?
This work focuses on computing the hydrodynamic drag force acting on various non-uniform cantilever beams oscillating in a fluid medium. The study involves analyzing the beam's behavior over a wide frequency range to determine the associated added mass and damping coefficients. These analyses play a significant role in the development of biosensors and mass sensors, particularly through the study of resonance frequency shifts and the measurement of fluid viscosity.
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Why is it important?
The cantilever’s dynamic response in a fluid is highly sensitive to the fluid’s viscosity, and by tracking frequency shifts and quality factors, the viscosity of both Newtonian and non-Newtonian fluids can be accurately quantified. This understanding enables the development of compact, cost-effective viscometers based on MEMS/NEMS resonator technology.
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Lalsingh Devsoth
Maulana Azad National Institute of Technology
Read the Original
This page is a summary of: Hydrodynamic forces in shape-morphed non-uniform cantilever beam resonator, Journal of Applied Physics, July 2025, American Institute of Physics,
DOI: 10.1063/5.0256735.
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