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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
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- 국제구조공학회 Structural Engineering and Mechanics, An Int'l Journal Structural Engineering and Mechanics, An Int'l Journal Vol.77 No.4
- 발행연도
- 2021.1
- 수록면
- 473 - 479 (7page)
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초록· 키워드
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The propagation of plane waves in a linear, homogeneous and isotropic nonlocal generalized thermoelastic solid medium is considered in the framework of Lord and Shulman generalization. The governing field equations are formulated and specialized in a plane. Plane wave solutions of governing equations show that there exists three plane waves, namely, 𝑃, thermal and 𝑆𝑉 waves which propagate with distinct speeds. Reflection of 𝑃 and 𝑆𝑉 waves from thermally insulated or isothermal boundary of a half-space is considered. The relevant boundary conditions are applied at stress free boundary and a nonhomogeneous system of three equations in reflection coefficients is obtained. For incidence of both 𝑃 and 𝑆𝑉 waves, the expressions for energy ratios of reflected 𝑃, thermal and 𝑆𝑉 waves are also obtained. The speeds and energy ratios of reflected waves are computed for relevant physical constants of a thermoelastic material. The speeds of plane waves are plotted against nonlocal parameter and frequency. The energy ratios of reflected waves are also plotted against the angle of incidence of 𝑃 wave at a thermally insulated stress-free surface. The effect of nonlocal parameter is shown graphically on the speeds and energy ratios of reflected waves.
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참고문헌 (43)
참고문헌 신청
Abbas, I. A. / 2016 / Wave propagation in a generalized thermoelastic transversely isotropic plate using eigenvalue approach / J. Comput. Theor. Nanosci 13(3):1629~1634
A.M. Abd-Alla / 2017 / Rotational effect on thermoelastic Stoneley, Love and Rayleigh waves in fibre-reinforced anisotropic general viscoelastic media of higher order / Structural Engineering and Mechanics, An Int＇l Journal 61(2):221~230
Achenbach, J.D. / 1973 / Wave Propagation in Elastic Solids, North-Holland Series in Applied Mathematics and Mechanics
Altan, B. S. / 1989 / Uniqueness of initial-boundary value problems in nonlocal elasticity / Int. J. Solid. Struct 25(11):1271~1278
Bachher, M. / 2018 / Nonlocal theory of thermoelastic materials with voids and fractional derivative heat transfer / Wave. Random Complex Media 29(4):1~19
A.M. Abd-Alla / 2017 / Rotational effect on thermoelastic Stoneley, Love and Rayleigh waves in fibre-reinforced anisotropic general viscoelastic media of higher order / Structural Engineering and Mechanics, An Int＇l Journal 61(2):221~230
Achenbach, J.D. / 1973 / Wave Propagation in Elastic Solids, North-Holland Series in Applied Mathematics and Mechanics
Altan, B. S. / 1989 / Uniqueness of initial-boundary value problems in nonlocal elasticity / Int. J. Solid. Struct 25(11):1271~1278
Bachher, M. / 2018 / Nonlocal theory of thermoelastic materials with voids and fractional derivative heat transfer / Wave. Random Complex Media 29(4):1~19
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