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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2015.6
- 수록면
- 55 - 62 (8page)
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This paper discusses a new model for investigating the micro-mechanical behavior of beam-like structures composed of various elastic moduli and complex geometries varying through the cross-sectional directions and also periodically-repeated along the axial directions. The original three-dimensional problem is first formulated in an unified and compact intrinsic form using the concept of decomposition of the rotation tensor. Taking advantage of two smallness of the cross-sectional dimension-to-length parameter and the micro-to-macro heterogeneity and performing homogenization along dimensional reduction simultaneously, the variational asymptotic method is used to rigorously construct an effective zeroth-order beam model, which is similar a generalized Timoshenko one (the first-order shear deformation model) capable of capturing the transverse shear deformations, but still carries out the zeroth-order approximation which can maximize simplicity and promote efficiency. Two examples available in literature are used to demonstrate the consistence and efficiency of this new model, especially for the structures, in which the effects of transverse shear deformations are significant.
목차
Abstract
1. Introduction
2. Beam kinematics and 3D formulation with homogenization
3. Dimensional Reduction
4. Validation Examples
5. Conclusions
References
참고문헌 (7)
참고문헌 신청
[학술지(정기간행물)] - V. L. Berdichevsky / 1979 / Variational-asymptotic method of constructing a theory of shells / PMM 43 : 664 ~ 689
[학위논문] - C. E. S. Cesnik / 1994 / Cross-sectional analysis of initially twisted and curved composite beams / Ph.D. / Georgia Institute of Technology,
[학술지(정기간행물)] - D. Danielson / 1987 / Nonlinear beam kinematics by decomposition of the rotation tensor / Journal of Applied Mechanics 54 : 258 ~ 262
[학술지(정기간행물)] - Y. Jonnalagadda / 2014 / Calculation of effective section stiffness properties for wind turbine blades using homogenization / Wind Energy 17 : 297 ~ 316
[학술지(정기간행물)] - P. Kanouté / 2009 / “Multiscale methods for composites: a review / Archives of Computational Methods in Engineering 16 : 31 ~ 75
[학위논문] - C. E. S. Cesnik / 1994 / Cross-sectional analysis of initially twisted and curved composite beams / Ph.D. / Georgia Institute of Technology,
[학술지(정기간행물)] - D. Danielson / 1987 / Nonlinear beam kinematics by decomposition of the rotation tensor / Journal of Applied Mechanics 54 : 258 ~ 262
[학술지(정기간행물)] - Y. Jonnalagadda / 2014 / Calculation of effective section stiffness properties for wind turbine blades using homogenization / Wind Energy 17 : 297 ~ 316
[학술지(정기간행물)] - P. Kanouté / 2009 / “Multiscale methods for composites: a review / Archives of Computational Methods in Engineering 16 : 31 ~ 75
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UCI(KEPA) : I410-ECN-0101-2016-550-001656326