1) rainflow counting
雨流计数
1.
The rainflow counting method can be used to count the cycles in the multiaxial loading.
多轴随机载荷的寿命预测中,如何计算载荷循环次数是其基础,目前广泛使用的是雨流计数方法,现在已能成功的应用于多轴载荷的情况。
2.
The electromagnetic interference is removed from the strain data by using the Butterworth filtering,and the strain cycles are extracted through the simplified rainflow counting algorithm.
采用Butterworth滤波以去除应变过程中的电磁干扰,然后通过简化雨流计数提取应变循环,并根据Palmgren-Miner准则和双线性概率S-N曲线对焊接细节进行了疲劳寿命评估。
2) Rainflow counting method
雨流计数法
1.
According to wind frequency distribution and design life,the fatigue load spectrum can be calculated by rainflow counting method according to this load spectrum,and the fatigue life of wind turbine is obtained.
从风力机的疲劳载荷源和疲劳寿命要求出发对风力机疲劳问题进行了分析,确定了风力机疲劳分析的方法和步骤,根据风速分布和设计寿命,采用雨流计数法制定出疲劳载荷谱,然后由疲劳载荷谱计算风力机疲劳寿命。
3) Rain-flow counting method
雨流计数法
1.
In order to make up for the deficiencies of the rain-flow counting method using four peak-valley values, an equivalent load cycle rain-flow counting method for aeroengine life monitoring is presented.
针对航空发动机寿命监控,为弥补四峰-谷值雨流计数法的不足,提出了等效载荷循环雨流计数法。
2.
Compression is conducted on the load spectra of an off-road vehicle measured at different sections of proving ground based on rain-flow counting method.
基于雨流计数法,对某型越野车在试验场实测的各路段载荷谱进行压缩;然后对压缩后的雨流均幅值矩阵进行强化外推和基于目标关联模型的比例叠加;最后对叠加后的雨流均幅值矩阵进行时域重构,得到了可用于室内道路模拟试验的目标载荷谱。
3.
On this basis,the fatigue lifespan of main components of the Nanjing Yangtze River Bridge is estimated using the stress spectra obtained by rain-flow counting method and the Miner-Palmgren linear damage accumulation principle.
结合用雨流计数法处理的实测桥梁运营应力谱和M iner线性累积损伤原理对南京长江大桥主要构件的疲劳寿命进行估算。
4) rainflow counting
雨流计数法
1.
A method for modified rainflow counting that is based on the cyclic material behaviour is presented.
根据材料特性和雨流计数法原理对四峰－谷值雨流计数法作了改进，用新的二峰－谷值计数法代替了四峰－谷值计数法，保持了载荷循环发生的次序，完整记录了整个历程的损伤，使得对机械设备的疲劳分析更为精确。
5) rain-flow counting
雨流计数法
1.
On the basis of traditional rain-flow counting,the paper presented a new excellent rain-flow counting method,namely equivalent loading cycle rain-flow counting.
在传统雨流计数法的基础上,提出了一种更优良的雨流计数新算法———等效载荷循环雨流计数法。
2.
A new method of rain-flow counting has been presented.
介绍了一种新的雨流计数法。
6) rain flow counting method
雨流计数法
1.
Based on the dynamic stress data tested on line, the rain flow counting method is used to count the cycle of the stress-time history for constructing the two dimensions stress spectrum.
根据实测的动应力数据,运用雨流计数法编制了二维应力谱,并在已知材料P-S-N曲线存活概率为50%和95%的情况下,推得任意存活概率的P-S-N曲线的方法,进而得到存活概率为99。
补充资料：奉和皇甫大夫祈雨应时雨降
【诗文】：
致和知必感，岁旱未书灾。伯禹明灵降，元戎祷请来。
九成陈夏乐，三献奉殷罍。掣曳旗交电，铿锵鼓应雷。
行云依盖转，飞雨逐车回。欲识皇天意，为霖贶在哉。
【注释】：
【出处】：
全唐诗：卷263_41
致和知必感，岁旱未书灾。伯禹明灵降，元戎祷请来。
九成陈夏乐，三献奉殷罍。掣曳旗交电，铿锵鼓应雷。
行云依盖转，飞雨逐车回。欲识皇天意，为霖贶在哉。
【注释】：
【出处】：
全唐诗：卷263_41
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条