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 practical space method for calculation of internal forces is adopted for structure design and the stresses of important cross section are checked by 3-D FEM.
结构设计时可采用作者提出的实用空间法计算内力并进行配筋设计，用三维实体有限元方法校核主要受力断面的应力状态。
Three passes of vertical-horizontal(V-H) rolling process with 3-D thermal and mechanic field was simulated by explicit dynamic FEM, updating geometric method and implicit static FEM.
结合显式动力学有限元方法、几何模型更新方法、隐式静力有限元方法对立-平辊轧制过程三道次三维热、力场进行了分析。
By limit equilibrium method and 3-d FEM calculating, this paper simulated the stability and processing project for the earth slide in Baoquan.
通过极限平衡法和三维有限元模拟计算，模拟了宝泉滑坡体的稳定性和工程处理方案。
The paper presented the advance of strength reduction FEM in-depth, and d discussed its' theoretic method.
以一实际的岩土高边坡为例，探讨强度折减法的理论计算方法。
The method of dynamic internal heat resource is adopted to deal with the latent heat during FEM analysis of 3-d temperature field of plastics thermoforming in this paper.
对塑料板材热成形过程的三维温度场进行有限元分析时采用动态内部热源的方法对潜热进行了处理。
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。
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。
By using the finite element method (FEM) software, the vibration of 3-d finite element model of maxillary central incisor tooth was analyzed.
在三维有限元模型的基础上，利用有限元分析软件对上颌中切牙的振动模态进行了分析。
Some electromagnetic parameters in soft contact continuous casting mold of billet were analyzed through 3-d FEM numerical simulation method.
通过有限元法三维数值模拟，对方坯连铸软接触结晶器系统中的电磁参数进行了计算。
Some electromagnetic parameters in soft contact continuous casting mold of billet were analyzed through 3-d FEM numerical simulation method.
通过有限元法三维数值模拟，对方坯连铸软接触结晶器系统中的电磁参数进行了计算。
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