1) modal coupling coefficients
模态耦合系数
2) Mode coupling coefficient
模式耦合系数
1.
Mode coupling coefficients of the coaxial waveguide with radii changing;
半径渐变同轴波导模式耦合系数研究
3) modal coupling
模态耦合
1.
Using the structure modal superposition method and the quadratic form of radiated sound power,we divide the total sound power into the two parts: the sound power radiated by each individual mode and the sound power contributed from modal coupling.
定量研究了结构振动模态耦合对辐射声功率的影响。
2.
In analysis of wind induced vibration for single-layer reticulated shell structures,it is found that there are some modes in high position of modes order with significant contribution to wind induced response,and the modal coupling effect is also need to be considered owing to the closely located modal frequencies and strong interaction of structural members.
基于网壳结构频谱分布密集、空间相关性强的自身特性,其风致动力响应不仅要考虑多阶模态的贡献,通常还要考虑模态耦合效应。
3.
The concept of modal strain energy is introduced and modal coupling coefficients of background response and resonance response are defined in this paper.
引入模态应变能的概念,定义了背景响应模态耦合系数和共振响应模态耦合系数,依据该系数可以方便地判别背景响应、共振响应不同模态之间耦合效应的强弱,为识别耦合主导模态(强耦合模态)确定了准则。
4) mode coupling
模态耦合
1.
In order to analyze the contribution-significant modes and the mode coupling effects for the wind-induced vibrations,a Ritz-POD method is proposed for identifying the contribution-significant modes,which takes into account the vibration-participating ability of each natural mode,and the similarity between the mode and the spatial distribution of the fluctuating wind load.
为研究网壳结构风振响应的主要贡献模态分布规律及模态耦合效应,有利于提高结构风振响应的计算效率,利用Ritz-POD法,综合考虑各结构振型自身参振能力的强弱及其与脉动风压空间分布模式之间的关系来识别单层球面网壳风振的主要贡献模态;利用模态广义位移协方差矩阵的特性分析其模态耦合效应。
5) modal coupling effect
模态耦合
1.
Analytical approach considering modal coupling effects for buffeting resonant response of large-span roof structures;
大跨度屋盖结构考虑模态耦合的抖振共振响应分析方法
2.
In the equation,the background and resonant components are computed with the LRC method and the equivalent inertia force method considering modal coupling effects,respectively.
本文基于计算共振分量的修正SRSS法,将LRC法和考虑模态耦合系数的惯性风荷载法相组合来表示等效静力风荷载。
6) coupled mode
耦合模态
1.
Dynamic equations were established first for the composite cantilever plates by means of Hamilton principle and the semi-Ritz analytical method and the semi-analytical expressions for the coupled modes of bending and torsion of the composite cantilever plates were derived according to its boundary conditions.
利用哈密尔顿原理和半李兹分析法建立复合材料悬臂板的运动方程,结合边界条件得到其弯扭耦合模态的半解析解。
2.
The oilpan s coupled modes are calculated by applying fluid-structure coupled FEM,when some lubricating oil remains in the oilpan.
本文运用流固耦合有限元法 ,对有润滑油存在的油底壳进行了耦合模态计算 ,发现润滑油的存在对油底壳的模态频率和振型影响较大。
补充资料：横向机电耦合系数
分子式：
CAS号：
性质：表示横向长度伸缩振子振动时机械能与电能之间相互转换的能力，通常用K31表示。当振子的带宽Δf=fa-fr(式中，fa为并联谐振频率；fr为串联谐振频率)较小时，可用下式近似求得：。也可从平面耦合系数Kp换算而得:(式中，σE为泊松比)。它可作为大致判定该压电材料用于制造横向长度伸缩振子振动器件时是否适用。
CAS号：
性质：表示横向长度伸缩振子振动时机械能与电能之间相互转换的能力，通常用K31表示。当振子的带宽Δf=fa-fr(式中，fa为并联谐振频率；fr为串联谐振频率)较小时，可用下式近似求得：。也可从平面耦合系数Kp换算而得:(式中，σE为泊松比)。它可作为大致判定该压电材料用于制造横向长度伸缩振子振动器件时是否适用。
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