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논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2015.4
- 수록면
- 113 - 116 (4page)
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초록· 키워드
오류제보하기
The Laplace transformation has been applied for analyzing viscoelastic behaviors of composite laminated shells. The constitutive equation in integral can be reduced to linear stress-strain relationship in Laplace domain. Therefore, the formulation such as displacement field, can be expressed similarly with elastic one. In order to describe accurately the viscoelastic behaviors of laminated shells, the efficient higher-order shell theory (EHOST) has employed. The general tensor formulation is used for accurate description and arbitrary shell. Moreover, the time-dependent relaxation moduli have the general form of Prony series to simulate real property of viscoelastic composite. However, all the displacement fields, equilibrium equations only are obtained and expressed in Laplace domain. Finally, the time-dependent results of strain, stress distributions through the thickness of the shell are obtained by converting back to real time domain for creep and relaxation process. The Fourier series algorithm is chosen for inversion Laplace transform for accuracy and arbitrary time-dependent loading.
목차
ABSTRACT
1. Introduction
2. Mathematical Formulation
3. Cylindrical bending for cylindrical shell
4. Results and Discussion
5. Conclusions
References
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UCI(KEPA) : I410-ECN-0101-2016-558-002036420