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。
Then a three-dimensional deformation inversion analysis is conducted by orthogonal design method and neural network to acquire the distribution rule of rock body ground stress field at various depths.
在此基础上，采用正交设计方法和神经网络进行了岩体地应力场三维变形反演分析，获得了岩体地应力场沿深度的分布规律。
Objective a three dimensional finite element model after total hip replacement was established to analytically study the stress distribution of the artificial stem, bone cement and human femur.
目的建立人工髋关节置换术后的三维有限元模型，分析研究人工股骨柄、骨水泥和人体股骨的应力分布。
The paper studies distribution law of stress and strain of gate-dam under static regime with three-dimensional finite element method.
本文采用三维有限元方法，研究堰闸坝在静力状态下其应力和变位的分布规律。
This paper applies the three-dimensional finite element method to the analysis of the stress for steam expanding vessel with tangential pipe, and the stress distribution has been obtained.
采用三维有限元方法对蒸汽扩容器与切向接管联接的关键部位进行了应力分析，获得了该部位的应力分布。
Using method of three dimensional FEM analysis, whole stress distribution in the joints is are obtained.
用三维弹塑性有限元分析方法，全面分析了点焊搭接接头的应力分布情况。
Methods The stress distribution and displacement of abutment were studied and analyzed by means of three-dimensional finite element when different loading was applied.
方法：用三维有限元法研究天然牙及中间种植体受力后的应力分布特点及位移规律。
Softwares ANSYS and MATLAB were employed to analyze and simulate the velocity, pressure and shear stress distribution in sheet extruder dies based on the three-dimensional FEM.
利用ANSYS和MATLAB软件，对缩放型片材机头中熔体的速度、压力和剪切应力的分布进行三维有限元模拟和分析。
The three-dimensional distribution of residual stress was investigated and the residual stresses on three representative sections were compared.
计算了成形后交叉缩放椭圆管的残余应力分布并比较了三个典型截面上的残余应力状况。
The three-dimensional photoelasticity method is used to analyze the stress distribution in the bevel gear under torsional moment and centrifugal load.
本文用三维光弹性法分析锥齿轮在扭矩和离心载荷下的应力分布。
Objective To develop a three-dimensional finite element model of human foot for studying stress distribution of the hind foot bones during the jumping moment.
目的建立足部三维有限元模型，对足后部骨骼在踏跳中的应力分布进行分析。
Objective: Our aim was to investigate the effects of the muscular contractility around pelvis on the stress-distribution of the pelvic ring by the threE dimensional photoelastic experiment.
目的：利用三维光弹性实验研究骨盆周围肌肉作用力对骨盆环应力分布的影响。
Then take three-dimensional simulation for the model, and analyze the stress distribution when conditions maximum positive shear or maximum nagetive moment happens.
分析在正常使用极限状态下截面内力分别为最大负弯矩和最大正剪力两种工况下应力分布规律。
The software ANSYS and MATLAB were employed to analyze and simulate the velocity, pressure, shear stress and viscosity distribution in fishtail sheet extruder die based on the three-dimensional FEM.
本文利用ANSYS和MATLAB软件，对鱼尾型片材机头中熔体的速度、压力、剪切应力和粘度的分布进行三维有限元模拟和分析。
A three-dimensional finite element model was developed to analyze the strain-stress and the deformation performances of soil nailing, and the reasonable distribution of soil-nail stress was presented.
通过建立三维有限元模型，对土钉支护的变形和受力性能进行分析，得出土钉力的合理分布。
A three-dimensional finite element model was developed to analyze the strain-stress and the deformation performances of soil nailing, and the reasonable distribution of soil-nail stress was presented.
通过建立三维有限元模型，对土钉支护的变形和受力性能进行分析，得出土钉力的合理分布。
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