3차원 설계 영역에서의 요소 연결 매개법을 이용한 위상 최적 설계Topology Optimization Using the Element Connectivity Parameterization Method in Three Dimensional Design Domain
- Other Titles
- Topology Optimization Using the Element Connectivity Parameterization Method in Three Dimensional Design Domain
- Authors
- 정영수; 김윤영; 윤길호
- Issue Date
- Jul-2005
- Publisher
- 대한기계학회
- Citation
- 대한기계학회논문집 A, v.29, no.7, pp 990 - 997
- Pages
- 8
- Journal Title
- 대한기계학회논문집 A
- Volume
- 29
- Number
- 7
- Start Page
- 990
- End Page
- 997
- URI
- https://scholarworks.sookmyung.ac.kr/handle/2020.sw.sookmyung/148758
- ISSN
- 1226-4873
2288-5226
- Abstract
- The objective of this paper is to present the element connectivity parameterization (ECP) for three dimensional problems. In the ECP method, a continuum structure is viewed as discretized finite elements connected by zero-length elastic links whose stiffness values control the degree of inter-element connectivity. The ECP method can effectively avoid the formation of the low-density unstable elements. These elements appear when the standard element density method is used for geometrical nonlinear problems. In this paper, this ECP method developed for two-dimensional problems is expanded to the design of three-dimensional geometrical nonlinear structures. Among others, the automatic procedure converting standard finite element models to the models suitable for the ECP approach is developed and applied for optimization problems defined on general three-dimensional design domains.
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