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。
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
Experimental research on nature frequency of prestressed concrete beams;
预应力梁固有频率的试验研究
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。
Research on natural frequency and vibration model of coke drum structure;
焦炭塔结构的固有频率和振型研究
Improved Calculation Method of the Natural Frequency of Spherical Tanks in Anti-Earthquake Design;
抗震设计中球罐固有频率的改进计算方法
Influence of drilling fluid on natural frequency of drill string lateral vibration;
钻井液对钻柱横向振动固有频率的影响
IMPROVED STRUCTURAL DAMAGE DETECTION METHOD BASED ON THE NATURAL FREQUENCY VECTORS
改进的基于固有频率向量的损伤检测方法
Calculating natural frequency and vector of an oscillation system;
一类振动系统固有频率与固有向量的计算
Solution to Natural Frequency of Longitudinal Vibration for a Nonuniform Nonhomogeneous Bar with Variable Cross Section by Finite Segments Method
有限段法解非均质变截面杆纵向振动固有频率
NATURAL FREQUENCY ANALYSIS OF AXIALLY MOVING,SIMPLY SUPPORTED TIMOSHENKO BEAM
轴向运动Timoshenko梁固有频率的求解方法研究
The deformations and the internal forces at a cross section of a beam are taken as state variables to formulate a general equation for computing the natural frequencies of non-uniform beams.
导出了用变形、力作为混合状态变量表示的求解等截面梁的横向振动固有频率的普遍方程。
Study on Additional Water Mass s Influence in the Natural Frequency of Ship Hull s Overall Vibration;
附加水质量对船体总振动固有频率影响的研究
Research on a New Detecting Method for Rigid Nature Frequency
一种新型的刚体固有频率测量方法研究
CALCULATION AND ANALYSIS ON NATURAL FREQUENCY OF A MOVING MASS AND BEAM’S COUPLED SYSTEM
移动质量与梁耦合系统固有频率的计算与分析
high natural frequency accelerograph
高固有频率自记加速计
natural frequency of rotor/bearing system
转子支承系统固有频率
Application of Object-Oriented Technology to the Programming of Inherent Frequency Calculation;
面向对象技术在设计固有频率求解程序中的应用
Equation (4-198) yields a first approximation for the change in the natural frequency of vibration.
方程（4－198）给出了一级近似下的固有振动频率的改变量。
Modification of Modal Frequencies and Shapesby Using Additional Mass and Stiffness Technique
用附加质量和刚度修改结构固有频率与局部振型
The smallest characteristic value corresponds to the lowest natural angular frequency.
最小的特征值相当于最低固有角频率。
The Generalized Variational Principles for the Natural Frequencies of Elastic Cylindrical Shells;
弹性圆筒壳固有频率的广义变分原理
The calculation of the intrinsic frequency of the liquid rocket propulsion system
液体火箭推进系统液路固有频率计算
Research on natural frequency of cantilever beam based on LabVIEW
基于LabVIEW的悬臂梁固有频率测试研究
The Natural Frequces Computation of the Motor Stator Considering the Stator Rind Affection
机座影响下的电机定子固有频率计算