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논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2014.11
- 수록면
- 839 - 843 (5page)
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초록· 키워드
오류제보하기
In this paper, a new smoothed finite element method (S-FEM) for the static analysis of flat shells is presented. This approach has been carried out by using an automatic factor x ? [0,1] to obtain a combined model between the lower bound property of the edge-based smoothed finite element method (ES-FEM) and the upper bound property of the node-based smoothed finite element method (NS-FEM) for shell problems, called edge/node-base smoothed finite element method (ES/NS-FEM). In the ES/NS-FEM, the automatic selection of factor x, by considering the dimensionless length of the mesh, acts as a knob control of contributions from the ES-FEM and the NS-FEM. To avoid the transverse shear locking, an integration of the present method and the discrete shear gap technique (DSG) is used. Several numerical examples are investigated to show that the ES/NS-FEM gives the much more accurate solution comparing to both of the ES-FEM, NS-FEM and other existing elements in the literature.
목차
Abstract
1. Introduction
2. Weak form and general three-node finite element formulation of the Reissner?Mindlin flat shell
3. An edge/node-based smoothed FEM for analyses of Reissner-Mindlin flat shells
4. Numerical results
5. Conclusion
References
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