Authors: Karličić, Danilo 
Kozić, Predrag
Adhikari, Sondipon
Cajić, Milan 
Murmu, Tony
Lazarević, Mihailo
Affiliations: Mathematical Institute of the Serbian Academy of Sciences and Arts 
Title: Nonlocal mass-nanosensor model based on the damped vibration of single-layer graphene sheet influenced by in-plane magnetic field
Journal: International Journal of Mechanical Sciences
Volume: 96-97
First page: 132
Last page: 142
Issue Date: 1-Jun-2015
Rank: M21
ISSN: 0020-7403
DOI: 10.1016/j.ijmecsci.2015.03.014
Abstract: 
Nano-materials such as graphene sheets have a great opportunity to be applied in development of a new generation of nanomechanical sensors and devices due to their unique physical properties. Based on the nonlocal continuum theory and vibration analysis, the single-layered graphene sheet with attached nanoparticles affected by in-plane magnetic field is proposed as a new type of the mass-nanosensor. The nonlocal Kirchhoff-Love plate theory is adopted to describe mechanical behavior of single-layered graphene sheet as an orthotropic nanoplate. The equation of motion of a simply supported orthotropic nanoplate is derived, where the influence of Lorentz magnetic force is introduced through classical Maxwell's equations. Complex natural frequencies, damped frequency shifts and relative shift of damping ratio for nanoplate with attached nanoparticles are obtained in the explicit form. The influences of the nonlocal and magnetic field parameter, different mass weights and positions of attached nanoparticles and damping coefficients on the relative damped frequency shift and relative shift of damping ratio are examined. The presented results can be useful in the analysis and design of nanosensors applied in the presence of strong magnetic field. Our results show that magnetic field could be successfully used to improve sensibility performances of nanomechanical sensors.
Keywords: Damped frequency shift | Damped natural frequency | In-plane magnetic field | Mass-nanosensor | Nonlocal elasticity theory
Publisher: Elsevier
Project: Dynamic stability and instability of mechanical systems subjected to stochastic excitations 
Dynamics of hybrid systems with complex structures. Mechanics of materials. 
Sustainability and improvement of mechanical systems in energetic, material handling and conveying by using forensic engineering, environmental and robust design 

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