NONLOCAL PIEZOMAGNETOELASTICITY THEORY FOR BUCKLING ANALYSIS OF PIEZOELECTRIC/MAGNETOSTRICTIVE NANOBEAMS INCLUDING SURFACE EFFECTS

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GHORBANPOUR ARANI A.; ABDOLLAHIAN M.; RAHMATI A.H.

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Journal Paper

Paper Information

Journal: JOURNAL OF SOLID MECHANICS Year:2017 | Volume:9 | Issue:4 Page(s): 707-729

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Title

NONLOCAL PIEZOMAGNETOELASTICITY THEORY FOR BUCKLING ANALYSIS OF PIEZOELECTRIC/MAGNETOSTRICTIVE NANOBEAMS INCLUDING SURFACE EFFECTS

Author(s)

GHORBANPOUR ARANI A. | ABDOLLAHIAN M. | RAHMATI A.H. | Issue Writer Certificate

Keywords

MAGNETOSTRICTIVE PIEZOELECTRIC

NANOBEAM

SURFACE EFFECT

NONLOCAL PIEZOMAGNETOELASTICITY THEORY

BUCKLING

Abstract

This paper presents the surface piezomagnetoelasticity theory for size-dependent BUCKLING analysis of an embedded piezoelectric/magnetostrictive NANOBEAM (PMNB). It is assumed that the subjected forces from the surrounding medium contain both normal and shear components. Therefore, the surrounded elastic foundation is modeled by Pasternak foundation. The NONLOCAL PIEZOMAGNETOELASTICITY THEORY is applied so as to consider the small scale effects. Based on Timoshenko beam (TB) theory and using energy method and Hamilton’s principle the motion equations are obtained. By employing an analytical method, the critical magnetic, electrical and mechanical BUCKLING loads of the NANOBEAM are yielded. Results are presented graphically to show the influences of small scale parameter, surrounding elastic medium, surface layers, and external electric and magnetic potentials on the BUCKLING behaviors of PMNBs. Results delineate the significance of surface layers and external electric and magnetic potentials on the critical BUCKLING loads of PMNBs. It is revealed that the critical magnetic, electrical and mechanical BUCKLING loads decrease with increasing the small scale parameter. The results of this work is hoped to be of use in micro/nano electro mechanical systems (MEMS/NEMS) especially in designing and manufacturing electromagneto elastic sensors and actuators.

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APA: Copy

GHORBANPOUR ARANI, A., ABDOLLAHIAN, M., & RAHMATI, A.H.. (2017). NONLOCAL PIEZOMAGNETOELASTICITY THEORY FOR BUCKLING ANALYSIS OF PIEZOELECTRIC/MAGNETOSTRICTIVE NANOBEAMS INCLUDING SURFACE EFFECTS. JOURNAL OF SOLID MECHANICS, 9(4), 707-729. SID. https://sid.ir/paper/319514/en

Vancouver: Copy

GHORBANPOUR ARANI A., ABDOLLAHIAN M., RAHMATI A.H.. NONLOCAL PIEZOMAGNETOELASTICITY THEORY FOR BUCKLING ANALYSIS OF PIEZOELECTRIC/MAGNETOSTRICTIVE NANOBEAMS INCLUDING SURFACE EFFECTS. JOURNAL OF SOLID MECHANICS[Internet]. 2017;9(4):707-729. Available from: https://sid.ir/paper/319514/en

IEEE: Copy

A. GHORBANPOUR ARANI, M. ABDOLLAHIAN, and A.H. RAHMATI, “NONLOCAL PIEZOMAGNETOELASTICITY THEORY FOR BUCKLING ANALYSIS OF PIEZOELECTRIC/MAGNETOSTRICTIVE NANOBEAMS INCLUDING SURFACE EFFECTS,” JOURNAL OF SOLID MECHANICS, vol. 9, no. 4, pp. 707–729, 2017, [Online]. Available: https://sid.ir/paper/319514/en

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