In this thesis, the FEM stress analysis and strength design criteria, multi-axes strength theory and computation, limit load analysis method of arch DAMS are concerned.
本文结合工程实际,在拱坝有限元应力分析方法与强度设计准则、多轴应力强度安全计算、拱坝极限荷载分析理论和方法等方面开展研究。
This paper studies and puts forward the feedback analysis method of operation and control loads of the dam with slot during operation period and derives its calculation control load formula.
研究并提出了带缝混凝土坝运行期的馈控运行荷载的方法,推导了其计算控制荷载的公式,研制了相应的分析程序。
With the welding spot fatigue lifetime pre-estimation method, by combination of the finite element analysis and stress calculation, the welding spot fatigue damage under actual load can be calculated.
采用焊点疲劳寿命预估方法,通过有限元分析并结合应力计算,即可计算出实际载荷工况下的焊点疲劳损伤。
This paper analyses the density of exercise and the load of sports in the course of PE teaching in Tong Jiaqiao Middle school by applying the information and the method of comparative analysis.
运用文献资料和比较分析等方法,调查分析了重庆童家桥中学教学过程中的体育课练习密度和运动负荷。
In this thesis, the dynamic load identification of guyed mast method in time domain based on modal analysis is analyzed.
要解决这个问题,必须建立作用在桅杆结构上的动力风荷载的识别方法。
City gas load is a multi-mode and complicated engineering system. This paper analyzes and estimates the gas load of Shenzhen by using method of time series analysis.
城市燃气负荷是一个多工况、复杂的工程系统,本文采用时间序列方法对深圳的燃气负荷进行了分析和预测。
The thought of this paper is to discuss on and analysis to dynamic response of HSMS under impact load, and estimate its mean life based on noted stress fatigue design method.
本文的主导思想是讨沦和分析冲击载荷下螺旋弹簧质量系统的动态响应,并应用名义应力疲劳设计方法估计其平均寿命。
In this paper, a new method of calculating the heat load of display cases was put forward based on the heat balance analysis of the air in it.
以陈列柜为研究对象,在对其柜内空气进行热平衡分析的基础上,提出了利用风幕进出口的焓差确定陈列柜热负荷的方法。
The procedures of the test load method used for the reliability analysis of the pressure vessel shell are presented.
将结构可靠性分析的验证荷载法应用于压力容器壳体研究设计,给出了具体方法及步骤。
The results show that the dynamic stability analysis can be replaced by quasi-static method with the static load multiplying an amplification factor in calculation.
结果表明:在实际计算中,可以将静载乘以某一“放大系数”作为计算荷载进行拟静力分析。
The screwdown block is improved by mechanics analysis with boundary element method, and a simple device is designed for dynamic load of oil film bearing used in high-speed wire rolling mill.
通过采用边界元法对高线轧机压下垫块改造模型进行力学分析,开发设计一种适合测量高线轧机油膜轴承动态载荷特性的简易装置。
Practical operation results show that the cluster analysis method can considerably improve the accuracy of short-term load forecasting.
实际运行结果表明:利用聚类分析法进行负荷短期预测,短期负荷预测的精度大大提高。
The practice proved that judging blasting effect by means of the load change on props is an easy and applicable surveying and analysis method.
实践证明,利用支柱载荷变化判断爆破效果是一种简单实用的测试和分析方法。
This paper presents a method for stress decay rate analysis of the self-equilibrated end load problem.
给出了自平衡端头载荷问题应力衰减率分析的一种方法。
This paper obtains static wind loads based on numerical wind tunnel modeling, and presents the effective theoretic method of wind induced dynamic responses and equivalent wind load analysis.
本文通过数值风洞模拟方法得到了各风向下穹顶结构的平均风压,尤其是给出了有效分析风激动力响应和等效风荷载的理论方法。
In the static strength analysis of helicopter blade, the traditional analysis method may lead to the uncertainty of the strength conclusion due to the inaccuracy of load calculation.
在直升机桨叶的静强度分析中,传统的分析方法可能会由于载荷计算的不准确,给强度结论带来不确定性。
This paper evaluates the main pollution sources and status environment of water of Nanfeihe River being based on the pollution load method and set pair analysis.
本课题基于等标污染负荷法和集对分析对南淝河主要污染源以及水环境现状进行了评价。
The method to determine optimum scheme for operation of chiller system is studied when the load is varying, and method for annual energy analysis of a chiller system is put forward.
探讨了负荷变化时制冷机系统最优运行方案的确定方法,在此基础上提出了一种对制冷机系统进行全年能耗分析的方法。
The analysis and research on the statistical method for two-dimensional random load spectrum of vehicle transmission are presented in this paper.
本文对传动系多工况二维随机载荷谱的统计方法进行了分析与研究。
Based on a design example of antenna stabilized platform, product design method of the virtual prototyping-based simulating design from load analysis to whole model structure analysis was explained.
以某型天线稳定平台为例,阐述了产品从初始载荷仿真分析到整体模型结构分析的基于虚拟样机仿真设计的方法。
A new analysis method has been provided for dynamic load identification of a discrete system intime domain, it solves the inverse problem by means of Duhamel integral in forward analysis.
本文给出了离散系统动态载荷识别的一种新的时域分析方法,它是用正分析的手段来求解反问题的。
The random vibration method for the analysis of large parabolic antenna structure response to wind load is proposed in this paper.
本文提出了大型抛物面天线结构风振响应分析的随机振动方法。
For box girder structure which is applied extensively in bridge construction, the traditional analysis method of load is of comparatively bigger error.
由于箱梁结构广泛应用于桥梁建设中,而传统的受力分析方法存有较大的误差。
Firstly, based on wavelet multi-resolution analysis method, the load serials are decomposed to different sub-serials which show the different frequency characteristics of the load.
首先基于小波多分辨率分析方法将负荷序列分解成具有不同频率特征的序列。
The axial load and centralizer spacing from the bottom to the top are calculated by using the mechanical analysis method and the well trajectory data.
采用力学分析的方法,结合井眼轨迹数据,由下到上逐跨计算了抽油杆柱的扶正器间距和轴向力。
The key of push-over analysis method is load pattern and target displacement.
推倒分析中的关键是加载模式的选取和目标位移的求取。
This article selects appropriate demand-side management technology method through analysis on effects by county level power supply load character and relevant factors.
本文主要通过分析县级供电公司负荷特性及相关因素的影响,有针对性的选取需求侧管理技术措施。
Because of the complexity of the load and the control systems, the quantitative analysis method is not suitable for the problem solving.
电厂负荷和发电机控制系统的复杂性限制了精确解析方法在励磁涌流研究中的应用。
The computing method for the stability analysis of slopes composed of horizontal layers under seismic load is studied.
研究了地震荷载作用下水平向成层边坡稳定性分析的计算方法。
The computing method for the stability analysis of slopes composed of horizontal layers under seismic load is studied.
研究了地震荷载作用下水平向成层边坡稳定性分析的计算方法。
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