A 5-node pseudo element of 3-d elastic contact analysis ws applicable range and concrete practice were also discussed. Its reliability was checked by two examples.
构造了3维5节点接触伪单元以处理固体或壳体接触问题的边界非线性，讨论了其适用的范围和具体应用的情况通过算例，验证了其可靠性。
An analysis was made on the Zhougongzhai arch dam under basic load combination and overloading of hydraulic pressure by use of 3-d nonlinear finite element method.
用三维非线性有限单元法对周公宅拱坝进行了基本荷载组合下的非线性分析和水压超载分析。
By using 3-d isoparametric element, the global stiffness matrix equation for the piezoelectric laminate is obtained on the bases of minimum principle of total potential energy.
由于最小势能原理，建立了单元刚度矩阵和压电材料的整体刚度方程。
The basic theory of edge element method and its application in 3-d nonlinear eddy current field are researched in this paper.
本文对棱单元法的基础理论及其在三维非线性涡流场的应用进行了研究。
By combining rigid disk element and 3-d beam element the dynamical control equation of flexible rotor system and its analysis formula of coefficient matrix are developed.
将刚性圆盘单元和空间梁单元组集推导出了柔性转子系统的动力学控制方程及其系数矩阵的解析表达式。
A 3-d isoparametric joint element with spherical surface key grooves of finite thickness is used to simulate transverse joints of arch dam.
采用三维有限厚度带球面键槽接缝单元模拟拱坝横缝，推导了球面键槽的接触物理方程，探讨了球面键槽的最优中心角。
It USES 3-d solid element to reinforced concrete and link element to pre-stressed and cable in the course of building model.
在建模过程中，采用三维实体和杆单元相结合的形式，用三维实体单元模拟钢筋混凝土，用杆单元模拟预应力钢束和斜拉索。
The 3-d bulk temperature field distribution in cylindrical spur gears is computed by the three-dimensional boundary element method (3-d BEM).
本文首次采用三维边界元法来计算圆柱直齿轮啮合时的三维本体温度场问题。
The 3-d finite element model of bolt is calculated by the method of contact analysis, and the fatigue strength of bolt is checked.
并采用接触分析法对螺栓的应力应变进行了三维有限元计算，对螺栓的疲劳强度进行了校核。
By using finite element CFD analysis software POLYFLOW, 3-d transient simulations have been made on the measurement of the five kinds of pin injection screws.
运用基于有限元的C FD分析软件POLYFLOW，对五种销钉注塑螺杆的计量段进行了三维瞬态模拟。
A 3-d static and dynamic linear elastic and nonlinear finite element analysis is made on Guandi Gravity Dam.
对官地混凝土重力坝进行了三维静动力线弹性和非线性有限元分析。
We analyse the sluice chamber by 3-D spline boundary element method.
用三维样条边界无法分析水闸闸室结构。
Using the iterative solution technique, the matrix equation system in the 3-d finite element modeling of nondestructive probe signals can easily be solved.
而应用迭代解技术，可以加速无损探头信号有限元模拟的矩阵方程求解。
For example , if you wanted to get a brush for the face color of a 3 - d element , use the.
例如，如果您希望获取三维元素的表面颜色画笔，可以使用。
Result: Finally, using 3-D finite element method to model the leakages of an embankment dam, for example.
结果：最后，以土石坝为例，用三维有限元法对堤坝渗漏模型进行了模拟。
As for 3-d orthogonal woven composite, a new homogenized eigen-element method is proposed in this paper.
基于三维正交机织复合材料，提出了一种特征单元均匀化分析方法。
The 3-D finite element method is used to obtain the four-pole parameters of a muffler which are in turn used to calculate the transmission loss.
为考察消声器的性能，先用三维有限元法求出消声器两端的四端子参数，然后再根据四端子参数求出消声器的传递损失。
First, fixed the area of grouting consolidation used the theory of retaining wall, and used 3-D finite element program to simulate the stability of it.
首先，采用挡土墙理论科学合理地确定了松散体注浆加固的范围，并运用三维有限元程序对注浆体的稳定性进行了模拟分析。
CONCLUSION: Combination of 3-d finite-element model with spiral CT-cross technology establishes complex dental models, simulates practical conditions authentically and is good in operation.
结论：螺旋ct断层扫描技术与三维有限元法相结合，可以建立复杂的牙模型，且能真实地模拟实际情况，使用性好。
Results: Successfully construct the 3-d finite element model.
结果：成功地建立了三维有限元模型。
A 3-d nonlinear finite element model was established to simulate the static load test of a radial tire.
建立了一种子午线轮胎的三维非线性有限元模型，来模拟子午线轮胎的静负荷试验。
A 3-d nonlinear finite element model of concrete-filled rectangular tubular frame is proposed in the paper to research the seismic behavior of this type of structure under low-reversed cyclic loading.
本文建立了方钢管混凝土框架结构的三维非线性有限元分析模型，用以研究方钢管混凝土框架在低周反复荷载作用下的抗震性能。
Based on the finite element analysis for 3-d electrostatic field in the fuse-contactor, the mathematical model of inverse problem is set up.
本文以真空组合电器三维静电场有限元分析为基础，建立三维静电场边问题的数学模型。
In this paper, through selecting proper material constitutive relationship and bond-slip model, 3-d finite element analysis model is established, and simulate analysis in all process is completed.
本文通过选用合适的材料本构模型和粘结滑移模型，建立三维有限元分析模型，进行全过程的模拟分析。
A calculation model for 3-d blunt cracks in proposed and the corresponding boundary element method (BEM) computer program system is also established.
提出了一个三维钝裂纹的计算模型，并建立了适用于这类模型的边界元法程序。
Method: 3-d finite element modeling was computed and analyzed.
方法：采用三维有限元法建立模型并计算、分析。
Based on the analysis of kinematic and dynamic properties during walking, a 3-d nonlinear finite element model was developed to analyze the effect of dynamic loads on the interface stress.
该文基于患者行走过程的运动学和动力学特性，建立三维非线性有限元模型，研究动态载荷对界面压力的影响。
An effective 3-d finite element model was constructed for the field emission array to analyse the field emission current over a single tip.
针对场致发射阵列建立了有效的三维有限元模型来分析单个尖锥的发射电流。
In this paper, both 3-d finite element computations and structural model tests were applied to the stability of Niutoushan arch dam.
以牛头山拱坝为工程实例，分别进行了三维有限元计算和结构模型试验。
In this paper, both 3-d finite element computations and structural model tests were applied to the stability of Niutoushan arch dam.
以牛头山拱坝为工程实例，分别进行了三维有限元计算和结构模型试验。
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