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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.18 No.4
- 발행연도
- 2015.1
- 수록면
- 909 - 924 (16page)
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This paper investigates the vibration phenomenon of a nanobeam subjected to a time-dependent heat flux. Material properties of the nanobeam are assumed to be graded in the thickness direction according to a novel exponential distribution law in terms of the volume fractions of the metal and ceramic constituents. The upper surface of the functionally graded (FG) nanobeam is pure ceramic whereas the lower surface is pure metal. A nonlocal generalized thermoelasticity theory with dual-phase-lag (DPL) model is used to solve this problem. The theories of coupled thermoelasticity, generalized thermoelasticity with one relaxation time, and without energy dissipation can extracted as limited and special cases of the present model. An analytical technique based on Laplace transform is used to calculate the variation of deflection and temperature. The inverse of Laplace transforms are computed numerically using Fourier expansion techniques. The effects of the phase-lags (PLs), nonlocal parameter and the angular frequency of oscillation of the heat flux on the lateral vibration, the temperature, and the axial displacement of the nanobeam are studied.
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참고문헌 (28)
참고문헌 신청
Abbas, I.A. / 2013 / LS model on electro-magneto-thermo-elastic response of an infinite functionally graded cylinder / Compos. Struct 96:89~96
Al-Huniti, N. S. / 2001 / Dynamic response of a rod due to a moving heat source under the hyperbolic heat conduction model / J. Sound Vib 242(4):629~640
Biot, M. / 1956 / Thermoelasticity and irreversible thermodynamics / J. Appl. Phys 27:240~253
Ching, H.K. / 2006 / Transient thermoelastic deformations of 2-D functionally graded beams under nonuniformly convective heat supply / Compos. Struct 73(4):381~393
Eringen, A. C. / 1972 / Nonlocal polar elastic continua / Int. J. Eng. Sci 10(1):1~16
Al-Huniti, N. S. / 2001 / Dynamic response of a rod due to a moving heat source under the hyperbolic heat conduction model / J. Sound Vib 242(4):629~640
Biot, M. / 1956 / Thermoelasticity and irreversible thermodynamics / J. Appl. Phys 27:240~253
Ching, H.K. / 2006 / Transient thermoelastic deformations of 2-D functionally graded beams under nonuniformly convective heat supply / Compos. Struct 73(4):381~393
Eringen, A. C. / 1972 / Nonlocal polar elastic continua / Int. J. Eng. Sci 10(1):1~16
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