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Nodeless variable finite element method for stress analysis using flux-based formulation
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  • Nodeless variable finite element method for stress analysis using flux-based formulation
  • Nodeless variable finite element method for stress analysis using flux-based formulation
저자명
Phongthanapanich. Sutthisak,Dechaumphai. Pramote
간행물명
Journal of mechanical science and technology
권/호정보
2008년|22권 4호|pp.639-646 (8 pages)
발행정보
대한기계학회
파일정보
정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

A nodeless variable element is combined with an adaptive meshing technique to improve solution accuracy of the finite element method for analyzing two-dimensional elasticity problems. The nodeless variable element employs quadratic interpolation functions to provide higher solution accuracy without requiring additional actual nodes. The fluxbased formulation is developed for the nodeless variable finite element to reduce the complexity in deriving the finite element equations as compared to the conventional finite element method. The superconvergent patch recovery procedure is implemented to compute accurate stresses from the nodeless variable finite element solutions. The effectiveness of the combined procedure for providing higher solution convergence rate from the proposed formulation is evaluated by two well-known examples.