Clamped-Clamped Single Walled Boron Nitride Nanotube Based Resonant Nanomechanical Mass Sensor
In this paper, the dynamic behavior of the clamped-clamped single walled boron nitride nanotube (SWBNNT) has been reported. A 3-dimensional space frame model based on molecular structural mechanics has been developed such that the proximity of the model to the actual atomic structure of nanotube is significantly retained. The zigzag forms of SWBNNTs have been analyzed by implementing the finite element simulation approach. The resonant frequency shift based analysis due to attached mass has been analyzed for the mass sensitivity analysis. Present approach is validated using continuum mechanics based analytical results. The mass sensitivity limit of 10−1 zg can be achieved. The resonant frequency shift variations of higher-order modes of vibration can be found as a very useful tool to know the magnitude and intermediate landing positions of the attached mass along the length of the nanotube. Present approach found to be very effectual in terms of dealing different atomic structures of nanotubes and boundary conditions to analyze dynamic behavior of clamped-clamped SWBNNT based nanomechanical sensor.
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Document Type: Research Article
Publication date: December 1, 2013
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- JOURNAL OF MECHATRONICS is a interdisciplinary peer-reviewed international journal that reports emerging research at the interfaces of mechanical engineering, electronic engineering, applied mechanics, computer intelligence and integration, control engineering, aerospace engineering, computer science and engineering, robotics engineering, software engineering, engineering materials, materials design and processing, molecular engineering, biomedical engineering, nanotechnology, optical engineering, system design engineering, manufacturing engineering, automotive engineering, device control engineering, electronic and electro-mechanic systems, product design and engineering, machine element, strength of materials, fracture mechanics, tribology, metallurgy, modeling and simulation, instrumentation, consumer products and much more.
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