梁力, 林韵梅. 有限元网格修正的自适应分析及其应用[J]. 工程力学, 1995, 12(2): 109-118.
引用本文: 梁力, 林韵梅. 有限元网格修正的自适应分析及其应用[J]. 工程力学, 1995, 12(2): 109-118.
Liang Li, Lin Yunmei. ADAPTIVE MESH REFINEMENT OF FINITE ELEMENT METHOD AND ITS APPLICATION[J]. Engineering Mechanics, 1995, 12(2): 109-118.
Citation: Liang Li, Lin Yunmei. ADAPTIVE MESH REFINEMENT OF FINITE ELEMENT METHOD AND ITS APPLICATION[J]. Engineering Mechanics, 1995, 12(2): 109-118.

有限元网格修正的自适应分析及其应用

ADAPTIVE MESH REFINEMENT OF FINITE ELEMENT METHOD AND ITS APPLICATION

  • 摘要: 本文在对有限元变量连续条件分析的基础上,将应力误差范数用于计算结果的误差估计,使非结构化网格生成系统与有限元计算有机地结合起来,并将网格单元修正的自适应分析应用于二维应力集中问题的研究,从而实现了有限元最佳化离散,提高了有限元数值求解的可靠性和近似程度。

     

    Abstract: This paper evaluates stress error norm on the basis of the analysis of continuous condition in stress filed around each element boundary in approximate finite element solution.Adaptive mesh refinement is used to analyze stress concentration of two-dimensional problems.Optimal discretization are realized by combining unstructured mesh generator with finite element computation This method improves reliability and accuracy of the finite element approximation.

     

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