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.
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。
The general elastic modulus of the dam is back analyzed by using the statistic model, hybrid model and the 3-D FEM analysis result.
应用统计模型、混合模型以及三维有限元的计算分析成果，反演了坝体的综合弹性模量；
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。
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。
The analysis model of seismic response and earthquake induced permanent deformation of dam is established with the 3-d nonlinear FEM.
采用三维非线性动力有限元分析方法，建立了坝体的地震反应和地震永久变形的分析模型。
Based on the seepage observation data and computation results of Fushui dam using 2-d seepage finite element method, the seepage safety evaluation of the dam was carried out.
在分析富水水库大坝渗流观测资料和二维渗流有限元计算结果的基础上，对水库大坝的渗流状况进行安全评价。
This paper studies 3-d sensitivity analysis in arch dam shape optimization based on FEM with the Improved Semianalytical Method (ISM).
本文针对基于有限元分析的拱坝体形优化，采用改进的半解析法进行三维敏度分析。
In this paper, the authors present a fast and accurate complex response numerical method for 2 -d random earthquake response analysis of earth dam.
本文提出了土坝二维随机地震反应分析的一种快速精确的复反应计算方法。
Finally, the 3-d finite element methods are used respectively to calculate the stresses and deformations of Gongboxia blend dam and Gongboxia face rock fill dam.
最后，用三维有限元方法分别计算了公伯峡混合坝和单一面板坝的应力变形。
By using the finite element method, this paper carried through the 2-d FEM calculation of an actual engineering that is Jinan east lake dam.
本文应用有限元法针对具体工程——济南市东湖水库大坝进行了二维数值分析。
22 dam block as a typical object, a stress recheck was conducted to demonstrate the current safety of the pre-stressed pier using a 3-d finite element method.
为论证当前预应力闸墩的安全性，选取22号坝段预应力混凝土闸墩作为典型对象，采用三维有限元计算方法进行应力复核计算。
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。
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。
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。
Combining the engineering example of Klnbrein Arch Dam 200 m high in Austria, aimed at restriction effect between foundation and arch dam, the 3-D finite element analysis has been carried out.
结合科恩布赖茵拱坝的工程实例，就基础对拱坝坝体的约束效应进行了三维有限元分析，发现施工时预留的陡坎对拱坝坝体应力影响显著，同时建议拱坝施工时地基开挖成概化的地基界面。
Combining the engineering example of Klnbrein Arch Dam 200 m high in Austria, aimed at restriction effect between foundation and arch dam, the 3-D finite element analysis has been carried out.
结合科恩布赖茵拱坝的工程实例，就基础对拱坝坝体的约束效应进行了三维有限元分析，发现施工时预留的陡坎对拱坝坝体应力影响显著，同时建议拱坝施工时地基开挖成概化的地基界面。
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