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WAVE PROPAGATION IN RECTANGULAR NANOPLATES BASED ON STRAIN GRADIENT THEORY WITH ONE GRADIENT PARAMETER WITH CONSIDERING INITIAL STRESS

MOHAMMAD RAHIM NAMI

School of Mechanical Engineering, Shiraz University, Shiraz, Iran

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and

MAZIAR JANGHORBAN

School of Mechanical Engineering, Shiraz University, Shiraz, Iran

Corresponding author.

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https://doi.org/10.1142/S0217984914500213Cited by:20 (Source: Crossref)

Abstract

In this paper, on the basis of gradient elasticity theory with one gradient parameter, wave propagation in rectangular nanoplates is studied. In the governing equation, the influences of initial stresses and elastic foundation are also considered. An analytical approach is used to solve the governing equation. The effects of different parameters such as gradient parameter on the circular and cut-off frequencies are presented. One can see that the initial stress and gradient parameter play an important role in investigating the wave propagation in nanoplates.

Keywords:

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