Adaptive nodal generation with the element-free Galerkin method

In this paper, the adaptive nodal generation procedure based on the estimated local and global error in the element-free Galerkin (EFG) method is proposed. To investigate the possibility of h-type adaptivity of EFG method, a simple nodal refinement scheme is used. By adding new node along the background cell that is used in numerical integration, both of the local and global errors can be controlled adaptively. These errors are estimated by calculating the difference between the values of the projected stresses and original EFG stresses. The ultimate goal of this study is to develop the reliable nodal generator based on the local and global errors that is estimated posteriori. To evaluate the performance of proposed adaptive procedure, the convergence behavior is investigated for several examples.
Publisher
Techno-Press
Issue Date
2000-12
Language
ENG
Article Type
Article
Citation

STRUCTURAL ENGINEERING AND MECHANICS, v.10, no.6, pp.635 - 650

ISSN
1225-4568
URI
http://hdl.handle.net/10203/69781
Appears in Collection
NE-Journal Papers(저널논문)
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