A kind of finite segment element model for analysis of shear lag effect in plate and truss composite girder is proposed. The model avoids certain deficiencies in conventional calculations.
提出一种板桁结合梁剪滞效应分析的有限段单元模型，避免了常规计算方法中的某些不足。
Methods. A 3-dimensional, nonlinear finite element model of a lumbar spinal segment L4-L5 was used.
方法：我们使用了一个关于L4-L5腰椎的3维非线性有限元素法的模型。
The discussions of the simplified finite element modeling method of the satellite electronic equipments with closed box segment combination structure are given.
对于以封闭式盒段组合结构为特征的卫星电子设备，讨论了其有限元模型的简化建模方法。
Methods Stress distribution of the spine in the upright, flexion and extension positions was analyzed using a three-dimensional finite element model of the spinal motion segment.
方法采用脊柱活动节段的三维有限元模型分析了脊柱在直立位、前屈位和后伸位的应力分布情况。
OBJECTIVE: Three-dimensional finite element method was used to observe and analysis the stress conduction of artificial lumbar intervertebral disc in lumbar motion segment.
目的：通过三维有限元的方法观察分析人工腰椎间盘在腰椎运动节段中的应力传导作用。
The computer simulation procedure is the key to analyzing the mechanical behaviors of the continuous casting segment tower structure using threedimensional finite element analysis method.
应用三维弹性有限元方法对连铸机扇形段框架体进行分析计算的关键在于结构计算机模拟的可能性和可行性。
Objective:To construct a normal L3-L5 spinal segment model by using finite element method and investigate the biomechanical characteristics of unilateral pedicle screws fixation.
目的：建立人正常L3~L5节段三维有限元模型，分析腰椎单侧椎弓根螺钉固定融合的生物力学特性。
Abstract : Objective To analyze the effect of pedicle screw implant location on the stress of adjacent segment intervertebral discs under different conditions with three dimensional finite element.
摘要 ：目的利用三维有限元法分析腰椎不同运动状态时椎弓根钉的置入位置对邻近节段椎间盘应力的影响。
Abstract : Objective To analyze the effect of pedicle screw implant location on the stress of adjacent segment intervertebral discs under different conditions with three dimensional finite element.
摘要 ：目的利用三维有限元法分析腰椎不同运动状态时椎弓根钉的置入位置对邻近节段椎间盘应力的影响。
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