Symmetrical folding of a single layer and folding process of an overfold are analyzed by using the finite element method.
本文采用有限元方法，分析单层对称褶皱作用和一个天然倒转褶皱的变形过程。
Based on high viscous asphalt, this paper mainly studied the following four topics: Firstly, FEM (finite element method) was used to analyze the effect of stress absorbing layer.
本文以高粘性沥青为结合料，主要对以下四方面内容进行了研究：首先，用有限元方法计算分析应力吸收层防治反射裂缝效果。
It will be the foundation for how to consider the scope of soil layer in soil layer response analysis under subway vibration which was calculated by direct finite-element method.
所得的计算成果为在应用有限元法进行土层地铁振动反应计算时确定合理的有限土域范围提供依据。
But if the surface layer is considered, the traditional finite element methods can not be used, since the ill-condition of structural equilibrium equations produce numerical difficulties.
但是，如果考虑表面层，常规有限元法由于结构平衡方程病态而导致数值上的困难。
A thin layer joint finite element is introduced for modelling of the interfaces between structure and soil in the analysis of nonlinear dynamic interaction.
本文引入了用于研究结构与地基非线性动力相互作用时，对其接触面进行模型化的由层状弹塑性材料构成的有限薄层连接元法。
A hybrid method of 2.5 dimensional finite element and thin-layer element was developed to study dynamic ground responses due to moving loads.
通过建立2.5维有限单元结合薄层单元方法，研究了接近或超过临界速度的移动荷载作用下地基三维振动问题。
With the nonlinear finite element program, the whole stability of the single-layer elliptic rotary shell is analyzed; and the joint design of the reticulated shell is introduced.
应用非线性有限元程序对单层椭圆旋转壳进行了整体稳定分析，并介绍了网壳的节点设计情况。
Further, according to thermal cycle calculated by the finite element method, the thickness of reaction layer was predicted in the case of different heat input.
进一步，通过有限元数值模拟方法计算了界面不同位置的热循环曲线，进行了不同热输入条件下反应层厚度的预测。
A scalar potential is introduced and finite element method is used to solve the tooth layer magnetic field problems.
在齿层区域有永磁体材料存在的情况下采用标量位求解，并用有限元法计算齿层磁场。
In this paper, a finite element method with lumped mass formulation is applied to analyse the transient SH wave propagation in an elastic half-space with a dipping layer.
本文采用一种类似于差分方法的集中质量有限元模型和人工边界透射理论分析倾斜成层弹性半空间中瞬态SH波的近场波动问题。
The finite element method is used to calculate five-phase hybrid stepping motor's tooth layer magnetic field parameters.
用有限元方法，计算出五相混合式步进电动机齿层部分磁场参数；
Based on the method of moment and the boundary element method, an improved method to analyze the grounding system buried in multi-layer soil with finite volumes is presented.
提出了分析含有有限体积的参数不同的材料的水平分层土壤中的接地网接地性能的方法。
The method is tested by the finite element analysis for a single-layer latticed shell.
利用有限元模拟，应用上述方法对一单层球面网壳结构进行了损伤诊断。
Based on the response stress of one-dimensional soil layer, the finite element approach was improved and a response stress approach was put forward.
从地震时一维土层反应应力入手，对拟静力法中有限元反应加速度法的地震荷载加载方法进行改进，提出了有限元反应应力法。
The simulated wind vibration loads are then applied to the time-history analysis of wind vibration response of single-layer spherical latticed shells by the finite-element program ANSYS.
将模拟出的风荷载作用于单层球面网壳，用有限元程序ANSYS进行了网壳结构的风振响应时程分析。
To the dynamic stability of the K8 single layer latticed shell structures under the seismic loads, this paper carried out the dynamic stability analysis based on the nonlinear finite element theory.
针对单层k8型网壳结构在强震时的动力稳定问题，应用非线性有限元理论进行了分析。
The finite element method, considering soil ductile failure, calculated raft not limited in the thickness of the bearing layer under the bearing capacity.
文中采用有限元数值方法，考虑土体的塑性破坏，计算了筏板基础在不同的有限厚度持力层下的承载力。
The shock response finite element model is established to simulate studying object which is a double-layer vibration isolation system of host machine in ship.
以某船主机双层隔振系统为对象，建立了有限元冲击响应模型。
A computer program of isoparametric finite element for large elastisplastis strain was used to calculate the displacement-strain fields of a homogeneous expansive sphere in many-layer medium.
本文用弹塑性大应变的有限无法对几种不同介质中均匀胀膨球的应力、应变和位移场作了计算。
In this paper, dielectric discontinuities in waveguides are analyzed by finite element method (FEM) in combination with perfectly matched layer (PML) absorbing boundary condition (ABC) .
将完全匹配层（PML）与矢量有限元方法（FEM）相结合对波导介质不连续性问题进行分析。
Using finite element method, this paper investigates the static behavior of cylindrical orthogonal single-layer lattice shell structures supported by fringe truss.
本文利用空间杆系有限元法，对采用边桁架支撑的单层柱面正交异型网壳进行内力分析；
The computational model of air boundary layer of rocket fuze was established. Considering different material characteristics, correlative mathematic model was built by finite element analysis.
建立了弹头引信空气附面层计算模型，借助有限元分析方法，充分考虑引信内部不同材料特性，建立相关数学模型。
This paper describes a pile groups-soil-pile cap interaction model in the lateral loading and proposes a finite layer-finite element analysis for the single pile and groups pile.
本文研究了水平荷载下桩—土—承台共同作用的问题，对单桩和群桩分别进行了有限层—有限元分析。
Non horizontal Multi Layer Finite Element Model is applied in this paper to simulate the flow and the concentration of Wanzhou Reach in The Three Gorges Reservoir(TGR).
本文采用斜分层有限元模型模拟了三峡水库蓄水前后万州江段的流速场和浓度场。
Non horizontal Multi Layer Finite Element Model is applied in this paper to simulate the flow and the concentration of Wanzhou Reach in The Three Gorges Reservoir(TGR).
本文采用斜分层有限元模型模拟了三峡水库蓄水前后万州江段的流速场和浓度场。
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