The fluid-solid coupling modal analysis of G70B oil tank is done for light oil tank train under different kinds of loads and its natural frequency and modal shapes are obtained.
针对列车油罐因列车提速导致液固耦合作用突出的问题,运用ANSYS软件对轻型油罐车G70B型罐体的液固耦合模态响应进行实例分析和计算;建立车载油罐的液固耦合系统有限元模型;对轻型油罐车G70B型罐体进行在不同贮液比时的液固耦合模态分析,得出固有频率和模态振型图。
Regarding the reinforced concrete damaged beam as the research object considering the nonlinear stress-strain relation of concrete based on Euler-Bernoulli beam and structure dynamics theory,through analysis of dynamic finite element,the natural frequency and modal shape in various kinds of damage states were obtained,and the effect of crack on dynamic characteristic was studied.
以钢筋混凝土梁为研究对象,基于Euler-Bernoulli梁理论和结构动力学理论,考虑混凝土的非线性本构关系,通过空间动力有限元分析,得到不同裂纹状态下梁的固有频率和模态振型,研究裂纹对简支梁振动响应的影响。
This paper takes a type gas turbine rotor as an example to analyze its natural frequency and modal shape.
介绍了某型燃气轮机转子模态试验,试验测得转子静态固有频率和模态振型。
The critical speed and mode shape of the system were calculated.
以自主研制的磁悬浮转子系统为研究对象,运动拉格朗日方程建立了系统的动力学方程,通过Matlab编制相应程序计算了系统在不同支承条件下临界转速及模态振型,计算得到转子在无支承条件下的一阶临界转速为75 Hz,控制作用下的一阶临界转速为110 Hz。
The change of flexibility matrix contained in the crack beam structure is discussed; based on the wavelet-transform analysis with different mode shape functions, different rules of different mode shapes in the test of crack beam structure are summed up; wavelet transformation (with Gaus2 Wavelet) of the basic mode shape of a cantilever beam is carried out to detect cracks in the cantilever beam.
文章首先讨论了含裂缝梁结构的柔度矩阵的变化;其次,通过选择不同模态振型函数进行小波变换分析,总结了不同模态振型在梁结构裂缝检测中的不同规律;最后,文章以悬臂梁为例,选用Gaus2小波对悬臂梁基本振型进行小波变换,进而对悬臂梁中的裂缝进行识别,裂缝深度与Lipschitz指数进行拟合。
Therefore it is necessary to analyze the vibration modal of the platform.
针对新开发设计的稳定平台,建立了振动模态分析的力学模型,利用有限元软件进行了稳定平台的振动模态分析,计算了其固有频率和振型。
A simplified drilling rig vibration model is created for using the vibration modal analysis technique to study drilling rig dynamic characteristics.
对现役 Z J- 15 钻机振动模态进行了现场测试,对测试数据进行处理和分析,找出了可能与钻机上动力设备转速发生藕合的几个低阶模态,一阶模态的固有频率为6 。
This paper studies the vibration modal characteristics of cylindrical shell structure by means of finite element method.
利用有限元法研究了圆柱壳结构的振动模态特性,分析圆柱壳结构参数对振动模态的影响,数值计算结果表明,随着管道直径的增大,模态密度会增大,并且周向频率存在着置换性等特点。
In this paper, flexure vibration models of free-free piezoelectric beam are analyzed, and the effect of combination of piezoelectric ceramics and the beam is discussed.
对压电梁进行了弯曲振动模态有限元分析,讨论了压电陶瓷片与梁的组合方式对压电梁弯曲模态的影响,在此基础上,对压电梁B1和B3阶弯曲模态、振幅分布进行了实验研究。
Through the analysis of vibration modal of orchestra musical instruments, this article describes how musical natural scale deponds on vibration model and analyses the function of the vibration model of the elastomer in natural scale.
通过对管弦乐器的振动模态进行分析 ,阐述了弹性体的振动模态在天然音阶形成中所起的关键作用 。
The Influences of Stator s Teeth on Bending Mode of Standing Wave Linear Ultrasonic Motor;
振子齿对驻波型直线超声电机振动模态的影响
On the Modes of Bending Vibrators with Theoretical Simulation and Experiments
弯曲振子振动模态的理论分析与实验研究
Modal Analysis and Optimization of Vibration of the Vehicle Exhaust System;
车辆排气系统的振动模态分析及优化
Anlysis of Sympathetic Vibration and Model State for Cam set Based on ANSYS;
基于ANSYS的凸轮机构振动模态分析
The Model Analysis of the Ceramic Bearing Electric Spindle;
陶瓷轴承电主轴主轴的振动模态分析
The Relationship Between Vibration Modal and Natural Scale;
弹性体的振动模态与天然音阶的形成
Research on structural modal calculation by decomposing the energy matrix
能量矩阵法求解结构振动模态的研究
A Study of Santana Drum Brake Back Plate Vibration Modality
桑塔纳轿车鼓式制动器制动底板振动模态研究
System of vibration measurement and modal analysis for large-sized vibratory equipment
大型振动设备振动测试及模态分析系统
Modal Correlation Analysis of a Tractor Engine Hood
拖拉机发动机罩振动的模态相关分析
System characteristics and control of drive mode in MEMS coriolis vibrating gyro
MEMS振动陀螺驱动模态稳幅特性与控制
A Study on the Dynamic Model for Impact-type Hydraulic Vibrating System
冲击型液压振动系统的动态模型建立
The dynamic characteristics of vibration system depend mainly on its modality parameters.
振动系统的动态特性主要取决于其模态参数。
Modal Analysis and Dynamic Performance Research on Shock Isolation of Optical Disc Driver;
光盘驱动器隔振系统模态分析及动态性能研究
Dynamic Simulation on Electro-Capillary Oscillation in ESR System
电渣重熔体系电毛细振荡的动态模拟
Studies on Strontium Ferrite Material by Colloid Vibrant Casting
锶铁氧体胶态振动注模成形技术研究
Complex dynamics in a model of inositol 1,4,5-trisphosphate-Ca~(2+) (IP_3-Ca~(2+)) oscillations
IP_3-Ca~(2+)振荡模型的复杂动态
Mondal analysis of two-mass vibration feeder based on ANSYS
基于ANSYS的双质体振动给料机模态分析