1)  Modal strain energy
振型应变能
1.
Modal strain energy proportional damping theory reflecting effects of the damping distribution was used in seismic response analysis of the bridge to check the applicability of commonly us.
为了研究阻尼计算模式对斜拉桥地震响应分析结果的影响,以主跨448 m的杭州湾跨海大桥北航道桥为对象,对应用考虑结构阻尼分布影响的振型应变能比例阻尼理论、常数阻尼、Rayleigh阻尼理论的适用性进行分析。
2)  vibration mode
振型
1.
Inverse perturbation method for solving inverse vibration mode problems in structural kinetics optimization;
机械结构动力优化振型反问题求解的逆摄动方法
2.
The paper establishes the 3D finite element model of a lathe-bed and calculates the result of vibration model analysis of it in ANSYS.
本文建立了某型立铣床床身的三维有限元模型,并利用大型有限元分析软件ANSYS进行了模态分析,得出了床身前十阶固有频率和振型。
3.
The vibration mode and stress and strain of star wheel under the dynamic loading are given and the most load point out position of the star wheel is pointed by .
针对星轮装载机构在工作过程中存在受力不恒定的问题,对星轮机构进行动力学分析,确定了煤岩对星轮的激振力,并以直斜形星轮为例,利用Ansys软件对星轮进行模态分析和谐响应分析,得出了星轮机构在动载荷作用下的振型、应力及应变情况,分析指出了星轮受载荷最大处的位置,为研究改进星轮的设计和改善星轮的性能提供理论依据。
3)  mode shape
振型
1.
Research of structural damage detecting parameters based on experimental mode shapes;
基于试验模态振型的结构损伤检测参数比较
2.
For the grinding carriage of a camshaft grinder at high speed,mode analysis theory is used to analyze its natural frequency and mode shape.
以某型高速凸轮轴磨床砂轮架为研究对象,运用模态分析理论对砂轮架的固有频率和振型进行分析。
3.
In this paper, based on the matrix method and mobility method, the computer program was established and the critical speeds, mode shapes of spindle under three operation conditions (no bobbin, with bobbin but no cotton yarn on the bobbin, and full mass of cotton yarn on the bobbin ) were calculated by our computer program, the calculation results are given.
采用传递矩阵法及导纳法编制了计算程序 ,分别对锭子在空锭、带筒管但筒管上无纱线、带筒管且筒管上带满卷纱线三种状态下的第一阶、二阶临界转速和振型进行了分析计算。
4)  modal shape
振型
1.
3 that is a random signal and vibration analysis system,the parameters and modal shapes are acquired.
3的模态测试分析功能对该柴油机机体进行了模态测试,得到了机体结构的前5阶固有频率及相应振型,可看出机体各部分振动的特征,据此为发动机结构改进设计提供了试验依据。
2.
A modal analysis of the tower was conducted and the first 20 frequencies and modal shapes were obtained.
运用通用有限元程序ANSYS对某天气雷达站塔楼结构进行了自振特性分析及地震载荷作用下的时程分析 ,通过计算得出了雷达站塔楼的前 2 0阶频率、振型 ,并进一步计算了在地震作用下时程分析的位移及内力 ,结果表明该结构具有很大的抗侧刚度 ,且沿高度分布均匀 ,自振频率满足结构使用要求 ,验证了结构设计的可靠性 ,为结构设计提供了可靠的参考数
3.
A modal analysis of the tower was conducted, the first 20 frequencies and modal shapes are obtained.
运用通用有限元程序ANSYS对某天气雷达站塔楼结构进行了自振特性分析及振型分解反应谱分析,通过计算得出了雷达站塔楼的前20阶频率、振型,并计算了地震反应谱作用下位移及内力,为结构设计提供了可靠的参考数据。
5)  Mode of vibration
振型
1.
Based on the analysis for the dynamic characteristics of semi-rigid steel frames with simple or multiple degree-of-freedoms,effects of rotation stiffness of beam-to-column connections on the structure period,frequency,critical damping and mode of vibration are discussed.
通过对单自由度体系和多自由度体系半刚接钢框架的动力特征分析,初步探讨了梁柱连接转动刚度对结构自振周期、频率、临界阻尼以及振型等参数的影响。
2.
The dynamic characteristic of the Haikou Century Bridge is presented, the aseismic capacity according to the theory of earthquake response spectrum is analysised and the combination method of inner force and displacements is discussed in every mode of vibration.
对海口世纪大桥进行了动力特性计算 ,采用反应谱理论分析了大桥的抗震能力 ,讨论了各振型的内力和位移的组合方法 ,采用 Van der put公式和 Herzog公式分析了大桥各阶段的抗风稳定性 ,其抗风稳定性在主梁节段模型颤振试验中得到了验证 ,提出了施工阶段的抗风措施。
3.
The modification for the natural frequency and the mode of vibration of blade are needed to treat the fault of steam turbogenerator caused by it s blades.
为分析处理汽轮发电机组运行中因叶片振动引起的故障,需调整叶片的固有频率和振型。
6)  mode
振型
1.
Based on a large seismically isolated structure,the paper analyzed the frequency and mode,the distribution of mass center and the improvement of rubber packing arrangement by SAP2000.
针对国内某大型隔震建筑,借助SAP2000建立下部结构—隔震层—上部结构整体系统的空间模型,就隔震结构的振型与频率、质心分布进行了分析和橡胶垫布置的改进计算。
2.
By replacing assembling shroud blades with system of thin plates and springs, a series of differential equations concerning dual interaction between blades are established and transformed by mode coordinates, and the unknown stiffness of spring (acting stiffness of shroud) could be obtained experimentally.
求解方程组的特征值问题即可获得组合叶片系统的固有频率和振型。
3.
The space model of the structure was built up by utilizing the finite element program ANSYS and the dynamic property of bridge was calculated,and the frequencies and mode shapes of the bridge were obtained.
以一座薄壁高墩刚构桥为研究对象,根据其墩高及薄壁的特点,运用通用有限元软件ANSYS对其建立三维有限元动力计算模型,对该桥最大悬臂施工阶段和成桥阶段的动力特性进行计算分析,获得了大桥的自振频率和振型,为该类桥梁的抗风、抗震设计研究提供了分析的基础。
参考词条
补充资料：应变能释放速率
分子式：
CAS号：

性质：在线性弹性断裂力学中，把裂纹增加单位长度所需的能量。以符号G表示。对于张开型裂纹，通常用G1表示，当G1达某一临界值G1C时，材料断裂。

说明：补充资料仅用于学习参考，请勿用于其它任何用途。