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- A dynamic strain gage is developed for dynamic stress test at900℃ of turbine rotor blades of an aeroengine. 为了对某型航空发动机涡轮转子叶片在900℃温下进行动应力测试,研制了900℃态应变计。
- Dynamic stress attenuates slowly with distances and has a large value. 动应力随距离衰减速度慢,量值大;
- Meanwhile, the whisker orientation affects the shapes of the stress strain curves of the composites. 同时晶须取向也影响复合材料的热压缩应力-应变曲线的形状。
- An important aspect of the stress strain data in Fig. 78 is the linearity of the log-log plots. 图78中应力-应变数据的一个重要情况是在双对数座标上图线的直线性。
- The formulate of stress、strain and BEF have been deduced and all these have been testified by experiment. 通过实验,证明了这些公式的正确。
- The method is based on the strain measuring, the beforehand stresses and dynamic stresses of immerging bolts in a high-pressure bump are measured. 实船测量了高压泵端盖埋头螺钉的预紧力及动态载荷。
- The results show that the method can be applied to strength behaviors and stress strain characteristics of plastic foamed beads light soil. 结果表明:该方法可以比较合理地对塑料发泡颗粒轻质土的应力-应变特征及强度特性进行评价;
- It is for telemetering the vibration frequency, dynamic stress and temperature of turbine blades under dynamic state. 用于涡轮机叶片在动态状态下对其振动频率、动应力和温度进行遥测。
- It was concluded that the impact velocity and peak dynamic stress under the coplanar impact is quadratic relationship. 从结果可以看出:在共面冲击下,其动态峰应力和冲击速度之间是二次线性关系。
- The earthquake spectrums analysis indicated that the failures of building structural steels at seismic areas are created of high stress strain and low cycle fatigue. 地震波谱分析表明,地震区建筑结构用钢受震时的主要失效形式是高应力低周疲劳损伤和断裂。
- This thesis mainly researches whole performance of high-rise building disposed SRC column and partial stress、strain of SRC column,it belongs to the field of RC. 本文主要研究配置型钢混凝土柱的高层结构的整体工作性能和型钢混凝土柱的局部应力应变情况,属钢筋混凝土课题。
- Intelligence: With compaction control and a system that reacts instantly to the behaviour of the soil under dynamic stress. 智能化:带有压实控制系统及一个实时对在动态压实下面的土壤状况进行反应的系统。
- The relationship between differently composited stiffness of disc-spring cap and pile drivingpenetration and dynamic stress of pile are studied in this paper. 本文研究了碟簧桩帽的不同组合刚度与沉桩贯人度和桩身动应力的关系。
- In this paper, the dynamic stress intensity factors of a crack at bima-terial interface are computed by particular solution boundary element method. 本文利用动力特解边界元法和应力外推法相结合求应力强度因子的方法,计算异弹模界面裂缝在瞬态荷载作用下的应力强度因子时程反应曲线。
- Also compare dynamic stress concentrations, the maximal dynamic stress with the static characters and discuss the results of comparison. 另外,对动应力集中系数、最大动应力与静态特征进行比较,并对比较结果进行讨论。
- The numerical results show that the distance between the upper surface and the center of cavity has effect on dynamic stress concentration. 如果板中有不连续处如空穴或裂纹,那么确定他们的位置和影响是非常重要的。
- Dynamic stress concentration and scattering of SH-wave by interface multiple circle canyons[J].Acta Mechanica Sinica,2001,33(1):60-70. SH波与界面多圆孔的散射及动应力集中.;力学学报;2001;33(1):60-70
- By plasticity increment theory,the stress strain numerical calculate methods of bellows bulge forming, solvers theory calculating problems of bellows bulge forming technology are put forward. 采用塑性增量理论,建立了波纹管液压胀形的应力、应变数值计算方法,解决了波纹管液压胀形工艺的理论计算问题。
- The dynamic stress concentration problems at the swallowtail on a hammer forging die are investigated by using the dynamic photoelastie method. 用动态光弹性法研究了锤锻模燕尾的动态应力集中问题。
- The result indicates, the form of stress strain relations adding the structural parameter are converted into the hyperbolic form, and could be calculated with the expression of hyperbola. 结果表明,引入结构性参数后的应力应变曲线转化为有规律性的双曲线形态,并可用双曲线拟合计算。