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- In this paper,a differential equation of free vibration for symmetric lamlnae in transversebending was developed,A numerical calculation of base frequency of laminae was performed by finitedifference. 首先建立对称层合板横向弯曲自由振动的微分方程,应用差分法进行层合板基频的数值计算,进而给出测试正交编织纤维铺层的正轴向弹性模量的动态方法。
- The Frequency of Free Vibration of CircuIar Plate with Elastical Edge 弹性边园板的自振频率
- frequency of free vibration 自振频率
- The inherent frequency of the microbeam resonator is determined by analyzing the free vibration of the microbeam (including the base structure). 通过对微梁 (包括基座 )的自由振动分析确定了微梁共振器的固有频率。
- An experiment was done for the free vibration frequency of a singlespan and simple supported liquid pipe,resulting in the relationship bet-ween the free vibration frequency and the flow velocity. 实验对单跨简支输液管道的自由振动频率进行了测试,得到了自由振动频率随流速变化的关系。
- frequency and amplitude of free vibration 自振频率与振型
- A comprehensive study of free vibration, buckling and bending of anisotropic simply-supported skew plates subjected to in-plane normal and shear forces is conducted. 摘要对简支各向异性平行四边形板在面内张力和剪力作用下自由振动、屈曲和弯曲问题作了全面的研究。
- It is shown by the results of free vibration column tests on clay taken from different depth below the o-cean bed that the shear medulus of clay is not a constant. 海底粘土的室内自振柱试验研究表明,其剪切模量不仅与剪应变的幅值有关,而且还随固结特性的变化而变化。
- Analysis for transverse free vibration of a longitudinally moving fabric is put forward here, with the calculating formula for natural frequencies of the fabric being introduced. 因此对纵向运动织物的自由振动进行了理论分析,给出了其固有频率的计算公式,并对固有频率的几个影响参数进行了讨论。
- The politician cops out on the issue of free trade. 那政客对自由贸易的问题只是一味逃避。
- The characteristics of free vibration of a damped system, such as complex conjugate, decaying vibration, decoupling and orthogonality, are analyzed byusing the sta -te space method. 在结构动力分析中,系统的阻尼是一个重要而又难以确定的因素。
- They are advocates of free trade. 他们是自由贸易的倡导者。
- We can often correlate age with frequency of illness. 年龄的大小往往与发病率有关。
- An obstacle to or a censoring of free speech. 言论限制对言论自由的审查或言论自由的障碍
- Analysis on Free Vibration Frequency of Concrete Curved Beams Bridges 混凝土曲线梁桥的自振频率分析
- Based on Flugge shell theory, the equations of free vibrations of a orthotropic circular cylindrical shell under hydrostatic pressure are obtained. 本文对静水压力作用下正交各向异性圆柱壳的自由振动特性进行了分析。
- characteristic of free vibration 自振特性
- One of our cherished privileges is the right of free speech. 我们所珍视的权利之一是言论自由。
- A frequency of one million megahertz,10000?200Hz. 一百万兆赫(兹)频率,即10000?200赫(兹)。
- A frequency of one million megahertz,10 ?12?Hz. 一百万兆赫(兹)频率,即10??12?赫(兹)。