搜索资源列表
shell_top.bat
- ansys55的批处理源码,用于分析弹性板壳振动时的固有频率和空间模态-ansys55 source for the analysis flexibility at the plate vibration natural frequencies and modal space
prony_analysis
- 复指数法是根据结构的自由振动响应或脉冲响应函数可以表示为复指数函数和的形式,然后用线性方法来确定未知参数。其主要思想是从振动微分方程的振型叠加法原理出发,建立动力响应与模态参数之间的关系表达式,通过对脉冲响应函数进行拟合可以得到完全的模态参数,获得了良好的拟合效果。基本方法是以Z变换因子中包含待识别的频率,构造Prony多项式,使其零点等于Z变换因子的值。这样,将求解Z变换因子转化为求解Prony多项式的系数。这里给出用矩阵解Prony多项式的系数的MATLAB程序。
arma_analysis
- ARMA模型时间序列分析法简称为时序分析法,是一种利用参数模型对有序随机振动响应数据进行处理,从而进行模态参数识别的方法。参数模型包括AR自回归模型、MA滑动平均模型和ARMA自回归滑动平均模型。这里给出了一个求出ARMA模型参数的MATLAB程序。
emd
- 经验模态分析(EMD)的MATLAB计算算法,经验模态分析是机械振动分析领域的重要方法-Empirical mode decomposition (EMD) of the MATLAB computing method, empirical mode analysis is an important field of mechanical vibration analysis method
zxfj_frame
- 分解结构振动模态,识别模态参数,将多自由度振动分解为若干单自由度振动的叠加-structural mode decomposition
the-control-of-a-rocket
- 一个火箭轨道控制程序,利用模态综合法降阶后,对火箭发射过程的振动模态进行观测和控制-A rocket orbit control procedures, the use of reduced-order modal synthesis method, the process of rocket vibration mode for observation and control
document
- 采用Hilbert包络法模拟分析振动模态及参数,实验证明其精度高。-The Hilbert packet network method simulation analysis of vibration modes and parameters, the experiment proved its high accuracy.
PF
- 利用粒子滤波算法的对于非线性非高斯信号处理的优越性能,将之用于模态信号、振动信号去噪处理。-The particle filter algorithm for nonlinear non-Gaussian signal processing, superior performance, it is used for mode signal, vibration signal denoising.
taociyuantong
- 超声振动模态分析的应用实际例子,以陶瓷圆筒为例子-Ultrasonic vibration modal analysis
mode_beam
- 用MatLab编制的梁单元模态计算的有限元程序,可以计算框架系统的振动模态和频率。-The MatLab program for vibration analysis of beam element
laminates-vibration
- 用于复合材料mindlin板单元振动计算,可以调整是否输出振动模态-It is developed for composites laminates vabration FEM, using the theory of mindlin plate.
非线性吸振器欧拉梁振动抑制
- 利用模态叠加法计算得到安装非线性能量阱前后欧拉梁的振动响应(vibration responses of the euler beam with a nonlinear energy sink is solved by using modal method)
MATLAb振动信号代码
- 信号处理:预处理 ,时域,频域识别出模态参数(Signal processing: preprocessing, time domain and frequency domain identification of modal parameters)
新建文件夹
- 用于计算振动信号的频域特性,可获得结构的振型参与系数、各阶固有频率、阻尼等(Frequency domain characteristics of vibration signals)
NormalModeSummation
- 利用模态叠加法实现对四自由度系统的共振频率与前四阶主振型的求解(The method of modal superposition is used to solve the resonance frequency and the first four main vibration modes of the four degree of freedom system.)
Thin_Plate_Vibrate
- 使用MATLAB计算薄板的模态分析、静力分析以及简谐激励响应(Modal analysis, static analysis and harmonic excitation response of thin plates are calculated by MATLAB.)
VMDtest
- 改进的变分模态分解算法,有效提取振动信号中故障频率。(The improved variational mode decomposition algorithm can effectively extract the fault frequency in vibration signals.)
随机振动-matlab程序
- 好几个关于随机振动,结构动力学方面求解的算法,包括PSD法,PEM法,模态空间法,虚拟激励法等算法的基础程序(Several algorithms for solving random vibration and structural dynamics, including PSD method, PEM method, modal space method and virtual excitation method, are introduced.)
Modalres_nolinar_singlespan
- 梁单元分析,采用matlab编程,采用三维梁单元和模态叠加法实现振动分析(Beam element analysis, using MATLAB programming, using three-dimensional beam element and mode superposition method to realize vibration analysis)
新建 DOCX 文档
- 运用newmark法计算车桥耦合振动 桥取4阶模态,车为单自由度,车速5m/s,车辆,桥梁参数已经带入矩阵(Calculation of coupling vibration of vehicle and bridge by Newmark method)