并利用三维有限元计算软件进行对比验证其有效性。
在此理论基础上编制了渗流分析的三维有限元计算程序。
Based on the above theory, 3d FEM calculation program for seepage analyse is compiled.
根据斜拉索管桥的实际结构特点，建立了三维有限元计算模型。
According to the actual structure characteristics of a cable-stayed pipeline bridge, a three dimensional finite element mathematical model is developed.
通过二维和三维有限元计算了顶管施工产生的土体变形和土体应力。
The deformation and stresses of soil by pipe-jacking are calculated with 2d and 3d finite element methods.
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.
因此对桥悬臂施工过程进行了三维有限元计算，分析了各个施工阶段的应力状态。
Three dimension finite element method is used to calculate the stress state of the cantilever during each construction stage.
采用三维有限元计算模型，分析了路面结构厚度和模量变化时的力学响应变化趋势。
This paper adopts the three-dimensional finite element model, analyses the mechanical tendency with the variety of the thickness and modulus of the pavement structure.
基于坐标变换方法建立了适用于任意井眼轨迹的定向井套管应力三维有限元计算模型。
A 3d finite element model for calculating the casing stress in the directional Wells was developed based on the theory of coordinate conversion.
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。
The 3-d finite element model of bolt is calculated by the method of contact analysis, and the fatigue strength of bolt is checked.
竖向排水体的存在，使得对真空预压加固大面积地基进行三维有限元计算的工作量非常庞大。
The workload of 3-D FEM calculation of large-area soft foundation by vacuum preloading is tremendous because of prefabricated vertical drains(PVDs).
利用三维有限元计算弹塑性地基中不同基础在水平力与竖向力作用下交错桁架体系的变形与内力。
The three dimensions FEM is used to investigate the displacement and forces of staggered truss with different foundation in elastoplastic ground under horizontal and vertical loads.
研究结果表明，采用等效渗透系数进行三维有限元计算是可行的，且计算精度可以满足工程要求。
It is shown that the 3-d calculation by FEM with the equivalent permeability coefficient is feasible and the calculating precision can meet the requirements of project.
采用三维有限元数值分析法，通过建立三维有限元计算模型，分析堵塞长度对堵塞区有效应力场的影响。
Three dimensional finite element computing model is established and the effect of stemming length to deep hole bench blasting is studied by three dimensional finite element method.
最后利用三维有限元计算坝址区的构造应力以及这部分卸荷拉裂夹泥岩体对工程(主要是地下洞室稳定性)的影响。
At last, computing tectonic stress of dam zone and the relaxed-tension rock mass influence on the engineering (mostly influence on stability of underground cavern) using three-dimensional FEM.
本文提出块体模型做为三维有限元计算模型，块体模型可多方面的反映岩体的物理力学特性，文中推导了计算公式。
This paper has presented a rock "block model" by which the mechanical properties of rock mass can be described in many aspects.
基于人工神经网络的非线性映射特性，在三维有限元计算的基础上，结合大坝原型观测资料，提出了大坝参数时变规律的反演方法。
On the basis of the nonlinear characteristics of ANN and 3-D FEM computation, an inversion method for the time-varying regularity of dam parameters is presented with the observation data used.
在比较了多种研究材料内部磁场分布的方法的基础上，分析了二维有限元模型在研究局部磁化中存在的问题以及采用三维有限元计算的必要性。
The problems by using 2D finite element computing modeling to study the local magnetization for tank floor are analyzed, and 3D finite element modeling is set up.
应用有限元法对辽河滩海油田大斜度定向井抽油杆柱受力进行了三维计算。
Using finite element analysis method, three-dimensional calculation is conducted for force summing on rod in high-inclination well of Liaohe tidal zone oilfield.
方法采用螺旋CT扫描、计算机图像处理及CAD技术，建立含腭部种植体的上颌骨三维有限元模型。
Methods A three-dimensional finite element model of maxilla containing palatal implant was built using spiral CT scanning, computer image processing, and CAD technology.
本文用三维弹塑性有限元法计算了含圆孔对称复合材料层板的层间应力分布。
In this paper, the interlaminar stress distributions of symmetric composite laminates with a hole are predicted by the three-dimensional elastoplastic finite element method.
建立了负重轮的三种三维有限元力学模型，在考虑三重非线性的情况下，用ANSYS有限元分析软件计算了负重轮的应力应变分布。
Under the condition of three kinds of nonlinearity the stress and strain distribution of the road wheel is calculated with finite element analysis software ANSYS.
展开了对该平台在波浪作用下载荷的分析计算，在此基础上对主体结构进行了三维有限元强度分析。
The load analysis and calculation under wave action of this platform is developed, on this base, a three dimensional finite element strength analysis for main structural body is conducted.
在医学三维重建、计算流体力学、有限元后处理、地震地质等众多领域得到了广泛应用。
It has been widely used in three-dimensional medical reconstruction, computational dynamic fluid, post-processing of finite element computation, seismic and geological applications.
针对苏州河河口水闸工程中的大跨度箱形底板设计中遇到的困难，利用三维有限元对底板结构进行计算分析。
The three-dimensional finite element method was used to solve some key problems in the design of the box floor in Suzhou River Estuarine Lock project.
而用三维空间有限元方法计算总振动固有频率是比较准确的，但是耗费时间和精力都比较多。
The results of three dimensions space FEM model calculation has been proved to be more accurate, but it consumes too much time and money.
建立了三维热力耦合问题弹塑性有限变形有限元方法，并对板材热轧过程进行了计算机模拟。
A three dimensional elastoplastic finite element model is presented for thermomechanical coupled finite deformation problems, and using the model, a slab hot rolling is computer simulated.
本文通过建立一个三维灌芯混凝土砌块棱柱体有限元模型，进行非线性计算，分析了影响混凝土砌体性质的因素。
In this paper, a three-dimension concrete block finite element model has been established, then the factors affecting the performance of concrete masonry are analyzed.
利用大型有限元计算软件ANSYS进行以三维模型为基础的L型机头内部流动速度分析和模拟研究。
The FEM software ANSYS was employed to analyse and simulate the flow velocity in L shape sheet extruder die based on a three dimensional model.
基于三维有限元模型，计算了喷管的瞬时温度场。
Based on three-dimension finite element model, transient temperature field in nozzle was calculated.
基于三维有限元模型，计算了喷管的瞬时温度场。
Based on three-dimension finite element model, transient temperature field in nozzle was calculated.
应用推荐