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薄板弯曲分析中的有限样条元法 被引量:3

Finite Spline Element Method in the Analysis of Thin Plates in Bending
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摘要 利用样条函数在同一区域上的变异,建立半解析样条元位移场函数。利用元外结线有效减少了总的未知变量,并且使样条元之间的连接保持充分的光滑性。同时利用特定的样条坐标矩阵避免了样条函数在支承处的线性组合。 This paper makes use of the different type of spline function in the same domain to make the displacement function of the semi-analytical spline element.With the outer nodal lines, the unknown coefficients are reduced,and the conjuncion of the adjoining elements is smooth.Meanwhile,the linear-combination of the spline function is avoided with the help of special spline coordinate matrix.
出处 《广西大学学报(自然科学版)》 CAS CSCD 1995年第3期228-232,共5页 Journal of Guangxi University(Natural Science Edition)
关键词 样条函数 样条元 有限样条元法 薄板 弯曲 spline function spline element spline coordinate matrix the finite spline element method
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  • 1周小平,周瑞忠.无单元法研究现状及展望[J].工程力学,2005,22(1):12-20. 被引量:25
  • 2杨绿峰,李桂青,秦荣.高次广义参数单元及其应用[J].广西科学,1996,3(4):48-52. 被引量:2
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