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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.29 No.4
- 발행연도
- 2018.1
- 수록면
- 483 - 491 (9page)
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Timoshenko beam model is widely exploited in the literature to examine the mechanical behavior of stubby beam-like components. Timoshenko beam theory is well-known to require the shear correction factor in order to recognize the non-uniform shear distribution at a section. While a variety of shear correction factors are appeared in the literature so far, there is still no consensus on the most appropriate form of the shear correction factor. The Saint-Venant's flexure problem is first revisited in the frame work of the classical theory of elasticity and a highly accurate approximate closed-form solution is presented employing the extended Kantorovich method. The resulted approximate solution for the elasticity field is then employed to introduce two shear correction factors consistent with the Cowper's and energy approaches. The mathematical form of the proposed shear correction factors are then simplified and compared with the results available in the literature over an extended range of Poisson's and aspect ratios. The proposed shear correction factors do not exhibit implausible issue of negative values and do not result in numerical instabilities too. Based on the comprehensive discussion on the shear correction factors, a piecewise definition of shear correction factor is introduced for rectangular cross-sections having excellent agreement with the numerical results in the literature for both shallow and deep cross-sections.
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참고문헌 (43)
참고문헌 신청
Abdelouahed Tounsi / 2016 / Size-dependent mechanical behavior of functionally graded trigonometric shear deformable nanobeams including neutral surface position concept / Steel and Composite Structures, An International Journal 20(5):963~981
Şeref D. Akbaş / 2018 / Post-buckling responses of a laminated composite beam / Steel and Composite Structures, An International Journal 26(6):733~743
Attila Baksa / 2012 / A Note on the Pure Bending of Nonhomogeneous Prismatic Bars / International Journal of Mechanical Engineering Education 37(2):118~129
Giuseppe Balduzzi / 2017 / Non-prismatic Timoshenko-like beam model: Numerical solution via isogeometric collocation / Computers & Mathematics with Applications 74(7):1531~1541
Raffaele Barretta / 2012 / On the relative position of twist and shear centres in the orthotropic and fiberwise homogeneous Saint–Venant beam theory / International Journal of Solids and Structures 49(21):3038~3046
Şeref D. Akbaş / 2018 / Post-buckling responses of a laminated composite beam / Steel and Composite Structures, An International Journal 26(6):733~743
Attila Baksa / 2012 / A Note on the Pure Bending of Nonhomogeneous Prismatic Bars / International Journal of Mechanical Engineering Education 37(2):118~129
Giuseppe Balduzzi / 2017 / Non-prismatic Timoshenko-like beam model: Numerical solution via isogeometric collocation / Computers & Mathematics with Applications 74(7):1531~1541
Raffaele Barretta / 2012 / On the relative position of twist and shear centres in the orthotropic and fiberwise homogeneous Saint–Venant beam theory / International Journal of Solids and Structures 49(21):3038~3046
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