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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2003.1
- 수록면
- 64 - 76 (13page)
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초록· 키워드
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In this work, a new penalty formulation is proposed for the analysis of Mindlin-Reissner plates by using the element-free Galerkin method. A penalized weak form for the Mindlin-Reissner Plates is constructed through the exterior penalty method to enforce the essential boundary conditions of rotations as well as transverse displacements. In the numerical examples, some typical problems of Mindlin-Reissner plates are analyzed, and parametric studies on the order of integration and the size of influence domain are also carried out. The effect of the types of background cells on the accuracy of numerical solutions is observed and a proper type of background cell for obtaining optimal accuracy is suggested. Further, optimal order of integra-tion and basis order of Moving Least Squares approximation are suggested to efficiently handle the irregularly distributed nodes through the triangular type of background cells. From the numerical tests, it is identified that unlike the finite element method, the proposed element-free Galerkin method with penalty technique gives highly accurate solution without shear locking in dealing with Mindlin-Reissner plates.
목차
Abstract
1.Introduction
2.Element Free Galerkin Method with Penalty(EFGMP)
3.Numerical Experiments
4.Conclusions
Acknowledgment
References
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