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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Steel and Composite Structures, An International Journal Steel and Composite Structures, An International Journal Vol.31 No.5
- 발행연도
- 2019.1
- 수록면
- 469 - 488 (20page)
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초록· 키워드
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We in this paper study nonlinear bending of a functionally graded porous nanobeam subjected to multiple physical load based on the nonlocal strain gradient theory. For more reasonable analysis of nanobeams made of porous functionally graded magneto-thermo-electro-elastic materials (PFGMTEEMs), both constituent materials and the porosity appear gradient distribution in the present expression of effective material properties, which is much more suitable to the actual compared with the conventional expression of effective material properties. Besides the displacement function regarding physical neutral surface is introduced to analyze mechanical behaviors of beams made of FGMs. Then we derive nonlinear governing equations of PFGMTEEMs beams using the principle of Hamilton. To obtain analytical solutions, a two-step perturbation method is developed in nonuniform electric field and magnetic field, and then we use it to solve nonlinear equations. Finally, the analytical solutions are utilized to perform a parametric analysis, where the effect of various physical parameters on static bending deformation of nanobeams are studied in detail, such as the nonlocal parameter, strain gradient parameter, the ratio of nonlocal parameter to strain gradient parameter, porosity volume fraction, material volume fraction index, temperature, initial magnetic potentials and external electric potentials.
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참고문헌 (84)
참고문헌 신청
Hadj Henni Abdelaziz / 2017 / An efficient hyperbolic shear deformation theory for bending, buckling and free vibration of FGM sandwich plates with various boundary conditions / Steel and Composite Structures, An International Journal 25(6):693~704
Ansari, R. / 2015 / Nonlinear analysis of forced vibration of nonlocal third-order shear deformable beam model of magneto-electro-thermo elastic nanobeams / Compos. Part B Eng 83:226~241
Arani, A. G. / 2010 / Thermo-piezo-magneto-mechanical stresses analysis of FGPM hollow rotating thin disk / Int. J. Mech. Mater. Des 6(4):341~349
Amina Attia / 2015 / Free vibration analysis of functionally graded plates with temperature-dependent properties using various four variable refined plate theories / Steel and Composite Structures, An International Journal 18(1):187~212
Barati, M. R. / 2017 / On non-linear vibrations of flexoelectric nanobeams / Int. J. Eng. Sci 121:143~153
Ansari, R. / 2015 / Nonlinear analysis of forced vibration of nonlocal third-order shear deformable beam model of magneto-electro-thermo elastic nanobeams / Compos. Part B Eng 83:226~241
Arani, A. G. / 2010 / Thermo-piezo-magneto-mechanical stresses analysis of FGPM hollow rotating thin disk / Int. J. Mech. Mater. Des 6(4):341~349
Amina Attia / 2015 / Free vibration analysis of functionally graded plates with temperature-dependent properties using various four variable refined plate theories / Steel and Composite Structures, An International Journal 18(1):187~212
Barati, M. R. / 2017 / On non-linear vibrations of flexoelectric nanobeams / Int. J. Eng. Sci 121:143~153
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