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非线性振动
说明: 非线性振动.pdf 刘延柱编写
恢复力与位移不成正比或阻尼力不与速度一次方成正比的系统的振动。尽管线性振动理论早已相当完善,在工程上也已取得广泛和卓有成效的应用,但在实际问题中,总有一些用线性理论无法解释的现象。一般说,线性模型只适用于小运动范围,起出这一范围,按线性问题处理就不仅在量上会引起较大误差,而且有时还会出现质上的差异,这就促使人们研究非线性振动。(Nonlinear Vibration. Compilation of PDF Liu Yanzhu)
- 2020-11-23 20:09:34下载
- 积分:1
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捷联惯性导航领域的姿态更新算法仿真 SINS
捷联惯性导航领域的姿态更新算法仿真,包括二子样、三子样和四子样的对比。(In the field of strapdown inertial navigation attitude updating algorithm simulation, including two sample, the third and the fourth kind of contrast.)
- 2016-01-06 14:59:50下载
- 积分:1
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userfc
ANSYS二次开发自定义破坏准则子程序(ANSYS subroutine)
- 2021-03-28 18:29:11下载
- 积分:1
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SPH-for-couette
光滑粒子(SPH)模拟couette流动,代码是根据刘桂荣老师《光滑粒子流体动力学-一种无网格方法》书后的代码改编,较实用,请需要的下载(Smoothed Particle (SPH) simulation couette flow, the code is based on Liu Guirong teacher " smoothed particle hydrodynamics- a non-grid method" Code adaptation of the book, more practical, please download required)
- 2020-10-26 20:09:59下载
- 积分:1
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PSO-and-HS--
结合粒子群优化算法和和声搜索算法的优点,有效将群智能思想和随机全局搜索相融合,在几个函数优化问题中得到了验证
(Combining particle swarm optimization algorithm and harmony search algorithm advantage, effective will swarm intelligence thought and random global search phase fusion, in several function optimization problem has been proved
)
- 2020-10-28 18:49:57下载
- 积分:1
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contourlet
contourlet变换工具箱,附带贝叶斯阈值去噪(Toolbox contourlet transform, with Bayesian threshold denoising)
- 2009-07-05 11:08:11下载
- 积分:1
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Response_surface_partial_least_squares_method
说明: 工艺优化中偏最小二乘法对响应面法的改进,显著改善模型系数不显著现象(Matlab program for calculating grey correlation matrix)
- 2019-04-06 20:58:03下载
- 积分:1
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geng
包括广义互相关函数GCC时延估计,通过matlab代码,计算加权加速度。( Including the generalized cross-correlation function GCC time delay estimation, By matlab code, Weighted acceleration.)
- 2017-04-10 14:30:55下载
- 积分:1
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fft
fast fourier transformation
- 2020-06-20 02:40:01下载
- 积分:1
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基于傅立叶变换FFT的大规模海面的实现方法
基于傅立叶变换FFT的大规模海面的实现方法(Realization of Large-scale Sea Surface Based on Fourier Transform FFT)
- 2019-02-15 12:53:25下载
- 积分:1