1) natural frequency vector(NFV)
固有频率向量(NFV)
2) Natural frequency vector
固有频率向量
1.
The fact that for a structure with certain extent of damage, the natural frequencies change accordingly compared to its primary intact structure, motivates to propose a novel concept of natural frequency vector.
基于损伤前后结构固有频率的变化,引入了固有频率向量及固有频率向量置信准则的概念,提出了基于固有频率向量的结构损伤检测方法。
3) axial natural frequency
轴向固有频率
4) natural frequency measurement
固有频率的测量
5) natural frequency vector assurance criterion (NFVAC)
固有频率向量置信准则(NFVAC)
6) nature frequency
固有频率
1.
The mode and nature frequency of pinned-pinned pipes conveying fluid with elastic foundations;
弹性地基两端铰支输流管的模态和固有频率
2.
Experimental research on nature frequency of prestressed concrete beams;
预应力梁固有频率的试验研究
3.
The nature frequency,vibration pattern,and dynamic performance torsion moment of a rolling mill's main drive system are computed with the master and dependent DOF model built by using the master and dependent DOF method to link a speed-down machine's high speed part to low speed part as well as a gear's driver wheel to driven wheel.
使用主从自由度法实现轧机主传动系统中减速机高速端和低速端、齿轮机座主动轮和从动轮之间的连接,建立主从自由度模型计算某轧机主传动系统的固有频率、振型及其在咬钢冲击载荷作用下的响应扭矩,并与分支式模型所得结果进行比较。
补充资料：NFV
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