With the LU decomposition of the block tridiagonal matrix, an explicit expression of the block inverse elements is obtained.
由块三对角矩阵的LU分解，得到了其逆矩阵块元素的显式表达式。
An explicit expression of stiffness matrix for a 3-dimensional beam made of elastic-plastic material is derived in the paper.
本文推导了材料为理想弹塑性的空间梁单元弹塑性刚度矩阵的显式形式。
An explicit expression was derived for the variation of crack size with stress. A micro-mechanical damage constitutive equation was then given.
给出了微裂纹特征尺寸随应力变化的显式表达式，并由此得到了含微裂纹的准脆性材料损伤本构关系。
From the point view of applications, the matrix element of the involved linear system of equations is an explicit expression without numerical integration.
从应用角度看就是最终线性方程组每一元素均为显式表达，没有数值积分。
The expression is of an explicit physics meaning and probably of more guiding meaning for some applied engineering problems.
表达形式物理意义明确，对某些工程应用问题可能更具有指导意义。
Using an approximate analytical method, the explicit expression of stress concentration factors is derived for an eccentric circular hole in a tension orthotropic finite-width strip.
用近似解析方法推导出拉伸正交各向异性有限宽板偏心圆孔的应力集中系数的显式表达式，除了比较极端的情况外，该式的精度较好。
Using an approximate analytical method, the explicit expression of stress concentration factors is derived for an eccentric circular hole in a tension orthotropic finite-width strip.
用近似解析方法推导出拉伸正交各向异性有限宽板偏心圆孔的应力集中系数的显式表达式，除了比较极端的情况外，该式的精度较好。
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