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    The Influence of Load Wave on the Rate of Fatigue Crack Growth in Axle Steel
    加载波形对车轴钢疲劳裂纹扩展速率的影响
    The influence of loading wave form un-der the action of impact upon the coefficient of dynamic stress concentration
    冲击作用下的载荷波形对动态应力集中系数的影响
    Then the effect of different testing factors are analyzed,the scope of the loading wave,stress ratio,frequency and temperature are selected.
    然后分析了不同试验因素的影响,选定了加载波型,确定了疲劳试验的应力比水平、频率及温度等试验参数的范围。
    Application of Power-line Loaded Wave and Amplified Frequency Communication in the Automatic Transcribing Kilowatt-hour Meters System
    电力线扩频载波通信在自动抄表系统中的应用
    Influences of Loading Speed and Loading Waves on the Tensile Strength of Concrete
    加载速率与加载波形对混凝土抗拉强度的影响
    Three Dimensional Numerical Analysis of Perfect Loading Wave-form of Rock With SHPB
    岩石类SHPB实验理想加载波形的三维数值分析
    This paper studies some main factor (temperature, frequency, hold time, load-wave form, the same phase and opposite phase, constant stress and constant strain) which effect the life of thermal-mechanical fatigue through the study of high termperature alloy such as: GH500, GH33A, DZ-22, DZ-4, GH37, GH132, GH36, etc, and graphite iron casting.
    本文对影响GH500、GH33A、DZ—22、DZ—4、GH37、GH132、GH36等高温合金和石墨铸铁的热-机械疲劳寿命的某些主要因素(温度、频率、保持时间、载荷波形、同相位和反相位、恒应力和恒应变)进行了试验研究。
    2)there exists a critical value of pulse duration ratio of load wave  c,where R s q will be greatest.
    ( 2 )对应于某一载荷波形占空比c,Rsq 最大 ,当载荷波形占空比小于c 时 ,Rsq 将随的增加而迅速增加 ;
    On the basis of analyzing the load wave during boring the inside wall of super long pipes and applying the fuzzy control technique of self-tuning parameters, the fuzzy controller for the system is developed and it can regulate the parameters rapidly on line.
    在分析超长管内壁镗削载荷波动的基础上,应用参数自整定模糊控制技术,开发了该系统的 模糊控制器,实现了在线快速调整参数。
    Started with the loaded wave of SHPB, the different wave dispersion of different diameter SHPB input bar with rectangle and half-sine wave-formed by using the 3D non-linear dynamic finite element code are analyzed.
    从SHPB实验装置加载波形入手,运用非线性动力分析有限元程序对传统矩形波和改进的半正弦波加载下不同直径入射杆中的波形弥散情形进行分析,显示并验证了SHPB半正弦加载波随杆径增大无明显弥散。
    The results show that, the process of quasi-isentropic compression on target can be seen as the successive overlap of a series of small shock loading waves generated by the transient layers.
    结果表明梯度飞片击靶产生的压缩过程一系列小的冲击波相继发生作用叠加的结果。
    The results showed that quasi-isentropic compression energy waves were produced after the impact with Mg-face of the flier-plate, whose initial velocity jump, peak velocity and front's rise-time were all different from the general shock loading wave profiles.
    结果表明,梯度飞片正向击靶后产生的是波阵面明显被展宽的准等熵压缩波,准等熵压缩波的初始速度跳跃、速度峰值和波阵面前沿的上升时间都呈现出不同于传统冲击波陡峭上升波形的特征。
    The system can stop the test and store the important data automatically when the work piece fractures for fatigue. After testing, the testing results and the loading waves, which have been recorded in the testing process, will be printed by Micro-printer.
    试件疲劳断裂后,系统可以自动停机、保存所需的数据,并在试验结束后,利用微型打印机将试验结果和试验中记录的加载波形打印出来。
    According to the parameters of loading wave, limited deep-water wave is chosen. Wavelength is calculated by iterative method.
    根据加载波的参数,本次加载波为有限水深波,波长采用迭代法求出。
    Pore water pressure inward and outward bucket about the silt changes in term of the time of wave action and different loading wave parameters.
    粉土中,桶基内外土体中孔压随波浪作用时间和加载波参数不同而变化,阐述了不同传感器处土体孔压表现不同的机理和原因。
 

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