By Using the tension spline function, a type of twelve-nodes tension isoparametric finite element has been constructed.
本文利用张力样条函数，构造了一种十二节点张力等参有限单元。
This dissertation establishes numerical methods in structural analysis on the basic of variation principle, finite member element method, spline function, etc.
本文利用变分有限元法、样条函数等，提出了薄壁箱梁结构分析的数值理论和方法。
Through the analysis of mechanic model of spline function, the paper proposed a simple, convenient and efficient sheet assimilative method based on finite element to calculate earthwork volume.
在分析样条函数的力学模型基础上，提出了一种根据地面标高利用薄板比拟法计算土方量的简便、实用、高效的方法。
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