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논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2007.10
- 수록면
- 183 - 186 (4page)
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초록· 키워드
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From 60's, conventional finite element method has been developed and showed its superiority in structural mechanics. But, the finite element analysis of metal forming processes often breaks down due to severe mesh distortion at large deformation. In recent years, a new family of computational methods has emerged. The so-called meshfree or meshless methods have been investigated and used by many researchers for treating a large variety of engineering problems. The main feature of these methods is that the domain of the problem is represented by a set of nodes, and a finite element mesh is unnecessary. That is, the concept of meshfree methods is that only nodal point data are used for modelling and solving. This computational methods reduces time-consuming model generation and refinement effort, and it provides a higher rate of convergence than that of the conventional finite element methods. The displacement shape functions are constructed using the reproducing kernel approximation that satisfies consistency conditions. In this research, a meshfree method approach based on the reproducing kernel particle method (RKPM) is applied to metal forming analysis. Numerical examples are analyzed to verify the performance of the meshfree method for metal forming analysis.
목차
Abstract
1. INTRODUCTION
2. REPRODUCTION KERNEL PARTICLE METHOD
3. MESHFREE FORMULATION IN ELASTO-PLASTICITY WITH CONTACT CONDITIONS
4. NUMERICAL EXAMPLES
5. CONCLUSIONS
REFERENCES
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UCI(KEPA) : I410-ECN-0101-2009-559-014704991