有限元法

Aiming at calculation of the equivalent rigidity of truss stiffening girder in an aeroelastic model design of a long-span suspension bridge with truss stiffening girder,Aizhai bridge,a super-long -span suspension bridge across deep valley with single span,was taken as an example for investigation.

针对大跨度桁架加劲梁悬索桥气弹模型设计中主梁等效刚度计算问题，以矮寨大桥为实例，建立不同长度空间桁架加劲梁节段模型有限元模型，通过悬臂梁位移法反算得到主梁的等效刚度特性，研究了不同荷载施加方式以及不同梁段长度对等效刚度特性的影响。

Motorized spindle, Rolling bearing ,Oil air lubrication, Thermal characteristic

电主轴，滚动轴承，油气润滑，热态特性，有限元分析法

However,most of the current numerical implementation are based on a hybrid finite - element/finite - difference/control - volume solution with the middle - plane model. This kind of model leads to great inconvenience in applications..

但目前的流动模拟软件都是采用基于&中性层&模型的有限元/有限差分/控制体积法来分析z1，所谓中性层是假想的位于模具型腔和型芯中间的层面，其模拟过程如图1所示。

After analyzing factors impacting the water hammer, the paper set up the water hammer mathematic model, apply character line method and ADINA software to solve model.

本文在分析影响水击因素的基础上，建立了水击效应的数学模型，并用特征线法以及ADINA有限元方法对水击数学模型进行了求解。

Such as in the design of a "self-thinning thick heart" when the characteristics of the A030, regarding the use of the latest computer-aided engineering, including the finite element method and precise optimization of 3D three-dimensional model to best design effect.

如在设计具有&自我心厚减薄&特点的A030时，就运用了最新的电脑辅助工程技术，包括有限元分析法和精确的最优化3D立体模型，以得最佳的设计效果。

In this paper, based on the finite element method, a three-dimensional finite element model was selected to simulate performance of the self-tapping screw connections and the failure modes of the panel, considering material nonlinearity and changing-status nonlinearity.

本文运用有限单元法，建立三维实体有限元模型，考虑了材料非线性与接触非线性，对钢板－自攻螺钉连接的受力情况和破坏模式进行了细致研究。

In the sixth chapter the software self-opened NPSPM and its frame are illustrated. Some problems during opening construction, such as element degeneration, modification of the front-wave solver, and no tension adjustment, are discussed and studied in this chapter, too.

第六章介绍自行开发的三维非线性有限元仿真软件NPSPM，对软件开发过程中的一些问题（如单元退化方法、波前法的改进措施、岩土材料的不抗拉处理方法等）给以研究和讨论。

By use of 3-D FEM,the bearing capacity of jacking piles and uplift piles was simulated,and the conversion coefficient in self-balanced static test loading was studied.

采用三维有限元方法对桩顶压桩和桩底托桩承载特性分别进行模拟分析，研究了自平衡静载试验法中的转换系数。

It is the effective foundation treatment of the deep soft soil ground. The finite element method analysis and the practice indicated that the reinforced foundation section can use composite modulus to computer the settlement, and the settlement of the center of the old road must be analyzed under different conditions.

有限元分析及工程实践表明，对于加固区可采用复合模量法来进行疏桩复合地基的沉降计算，而对于原路中心处应结合原路不同的工况合理选择分析方法，使情况更加接近实际。

In this paper, Truesdell stress rate considering not only rigid-body motion but also neighborhood-deformation was introduced into large strain consolidation theory.

采用虚功原理和Galerkin加权残值法，推导了基于不同客观本构关系的大变形固结有限元方程。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。