An element initial stress method to calculate stress intensity factor of three-dimensional mixed-mode crack is introduced.
对单元初始应力法应用于复合型三维裂纹问题进行了研究。
This finite element method is employed to analyze the behavior of eccentrically loaded CFST columns, taking initial stress degree, slenderness ratio, and eccentric ratio as the parameters.
应用该方法，以长细比、偏心率和初应力度为主要参数对有初应力的钢管混凝土偏压构件进行了受力性能分析。
The calculation of the initial stress (or initial strain) singular integrals in elastoplastic boundary element method is a difficult, but an important problem.
弹塑性边界元法中初应力(或初应变)奇异体积分的计算一直是一个较为困难、但又是非常重要的问题。
METHODS: Three-dimensional finite element method was used to analyze the initial stress around screw implant of different elastic modulus and different diameter.
方法：用三维有限元的方法对不同弹性模量和不同直径种植体植入后骨界面的初始应力进行分析。
The specific work includes:(1) At the first, the finite element inversion analysis method of the initial crustal stress field and the measuring method of hydrofracturing crustal stress were expounded.
首先阐述了初始地应力场的有限元反演分析方法和水压致裂法地应力测量方法给出了对小孤山工程适当的地应力场。
The specific work includes:(1) At the first, the finite element inversion analysis method of the initial crustal stress field and the measuring method of hydrofracturing crustal stress were expounded.
首先阐述了初始地应力场的有限元反演分析方法和水压致裂法地应力测量方法给出了对小孤山工程适当的地应力场。
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