In the paper, the accurate total equilibrium equation of one dimensional lattice element in the coordinate has been given by using Green Strain Tensor, then it is changed into one in the fixed three dimensional coordinate, so we can get the accurate tangent stiffness matrix.
利用Green应变张量在随动坐标系中建立一维桁架单元的精确全量平衡方程,然后将其转化成固定空间坐标系中的全量平衡方程,并由此导出精确的切线刚度。
In this paper we shall state precisely the notion of N-decomposition of the tensor functions of type ( r, s) in tangent bundle.
本文精确描述切丛中(r,s)型张量函数N-分解的概念及求法,提出了一个关于分量的定理,计算了(1,2)型情形的N-分解中8个芬斯拉张量场的分量。
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