The time history of water hammer in pipeline in the condition of unit emergency load dump is calculated by characteristic line method.
在水电站机组丢弃负荷情况下,利用特征线法计算管道内的水击荷载时间历程。
The characteristic line method meets the static equilibrium equations and yield conditions, which gives the lower limit of the solutions.
本方法满足静力平衡方程和屈服条件,属于极限分析理论的下限解。
The characteristic line method is used to simulate the characteristics of the water conveyance system of the ship lock in the Three-Gorges Project.
利用等时段的特征线法数值模拟三峡永久船闸输水系统不补水工况下的输水特性,得出了输水管道沿程各节点水头及流量的变化规律。
The paper discusses the ultimate loads of foundations calculated with the characteristic line method and the determination of the ultimate bearing capacity of foundations.
理论分析和实验研究表明,使用特征线法计算管道系统时,在大小管连接截面处,应考虑到该处的动量变化,才能准确描述液压管道系统的瞬变过程。
Gas decompression wave velocity during the pipeline fracture process was solved by the three-characteristic line method, and the corresponding computer program was developed.
应用三特征线法求解气体减压波速,并开发了相应的计算程序,分析了起始压力、起始温度、不同气体介质和管径对气体减压波速的影响。
By using the combined implicit characteristic line method, the calculation of the transient surge pressure in the flow conduit of a drilling well has been resolved in this paper.
本文用混合隐式特征线法求解了井内流道中的瞬态波动压力问题,给出了弹性管和可压缩流体在井内各流道组合的压力波波动方程和定解条件。
Based on conformal transform method and point matching method, a method to calculate the coaxal line characteristic resistance is presented.
本文将保角变换法与点匹配法结合起来,得到了一种计算同轴线特性阻抗的方法。
Indirect method can adjust the characteristic line equation in time based on the status of practical process, thus the forming precision can be improved.
间接法能够根据板料实际加工状态及时调整特征方程,提高了成形精度。
Numerical method is proposed for general mechanical impact systems by means of characteristic line theory . Simulation results of hydraulic rock drill are provided .
应用特征线方法,提出了一般冲击机械的波动力学数值计算方法,给出了一液压凿岩机械的数值模拟结果。
On the basis of classic theory and formula, the flier plate action rule was first studied with the method of the numerical difference in characteristic line.
在经典理论及公式的基础上利用特征线数值插分方法对飞板运动规律进行研究。
Since a mine pumping system can generally be simplified into a complicated pipe-line system in series, the transient process is simulated by a method of characteristic line.
根据矿井排水系统一般可以简化为串联复杂管路系统的特点,采用特征线法模拟其断电停泵的瞬变过程。
Taking into account the characteristic of the high-voltage transmission line, this paper discusses the basic principle of the eddy current testing method.
结合高压输电线的特点,在论述了电涡流检测方法的基本原理之后,进一步论述了差动式检测线圈的电涡流检测原理与方法。
Based on analyzing user loads running characteristic and power system topology structure, this paper presents a new harmonic source separation method that is on-line search zero iterative method.
然后在分析用户负载运行特性的基础上,根据供电网络拓扑结构,提出一种新的谐波源分离方法—在线寻零迭代法。
A kind of particle swarm optimization method with the characteristic of logical time-sequenced is proposed and applied to procedure parameters optimization of semiconductor assembly product line.
提出一种具有逻辑时序特征的微粒群优化算法,并将其应用于半导体封装生产线的工序参数优化中。
This paper studies the characteristic parameters of the engine mounting system and puts forward a method of employing the double-line cushion material for the engine mounting system.
对悬置系统特征参数进行研究,并提出采用双直线型缓冲材料作为汽车发动机悬置系统的方法。
The standing wave and the characteristic of the radiated power of this printed antenna fed by the standard coaxial line are analyzed by the numerical method.
文中用数值法分析了这种印制天线在标准同轴线馈电时的驻波和辐射功率特性。
According to distribution characteristic of measuring data with line - structured light vision sensor, a method is presented to segment the measuring data and establish CAD model.
根据线结构光视觉传感器测量数据的分布特点,提出了一种基于特征线框的线结构光视觉传感器测量数据的分割与建模方法。
The EMTDC simulations indicate that the method can find out the faulty line correctly and prove that the analysis of the angle-frequency characteristic of zero impedance of the line is correct.
EMTDC仿真试验结果表明该方法可以准确地实现单相故障选线,并验证了文章对输电线路零序输入阻抗相频特性分析的正确性。
Being different from applying the window with better spectrum characteristic to reduce the long-range leakage, a new method, named multi-spectrum-line interpolation correction algorithm MICA.
据此,不同于以往应用性能较好的窗函数来减小长范围泄漏效应的作法,提出一种能同时修正长、短范围泄漏的多谱线插值新算法。
In this paer, by the use of the method of characteristic line of stress wave, a prediction analysis for the sacond impact of an elastic bar impacting on a rigid block is given.
本文采用应力波特征线方法详细分析了刚体撞块撞击固支的弹性长杆的撞击过程。
AIM: to set up a new method to analyze IR fingerprint spectra, which was in line with the characteristic of traditional Chinese medicine.
目的:建立一种符合中药自身特点的光谱指纹图谱分析方法。
Based on the cross-ratio invariance theorem, a new method for acquiring characteristic points in the calibration of line structure-light sensor was proposed.
在已知一个消隐点的情况下,利用交比不变性及消隐点的知识对摄像机进行标定。
Based on the cross-ratio invariance theorem, a new method for acquiring characteristic points in the calibration of line structure-light sensor was proposed.
在已知一个消隐点的情况下,利用交比不变性及消隐点的知识对摄像机进行标定。
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