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math_shang
信息是个很抽象的概念，本文介绍了熵的概念，并介绍计算方法(information is a very abstract concept, this paper introduces the concept of entropy, and the calculation method introduced)
- 2007-06-08 14:46:52下载
- 积分：1
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vumat1
是ABAQUS有限元模拟软件的子程序，主要研究损伤断裂(a subroutine of ABAQUS for damage and fracture
)
- 2015-01-03 09:27:40下载
- 积分：1
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COMSOL 5 for Engineers-Mehrzad Tabatabaian
COMSOL工程案例的英文书籍，亚马逊网站可查，售价不费。(COMSOL project case of English books, Amazon website can be found, the price is not cost.)
- 2020-09-26 20:57:46下载
- 积分：1
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vumat案例
说明： vumat案例,可以参考这个vumat子程序自行学习vumat的编写(hi. it is a file for VUMAT. it may help you to learn about it.)
- 2020-06-23 09:57:34下载
- 积分：1
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LDL-and-Cholesky
利用楚列斯基分解法和平方根法分解对称矩阵，较为实用(use the Cholesky method and esquare-root method to solve the problem of Triangle decomposition of matrix)
- 2020-06-30 07:40:01下载
- 积分：1
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sin_fft
自己编写的一个正弦函数频谱的估计，利用FFT函数实现，有详细注释，方便理解，附带仿真图一张(A sine function spectrum estimate their preparation, the use of FFT function implementation, detailed notes, easy to understand, with a simulation map)
- 2014-11-04 09:45:07下载
- 积分：1
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Lax_bassi_rebay
间断有限元方法（ Runge–Kutta discontinuous Galerkin ）求解N-S方程 算例为一维sod问题
流通量为BR1(Discontinuous Finite Element Method (Runge-Kutta discontinuous Galerkin) N-S equation solving a one-dimensional example problem sod
Liquidity is BR1)
- 2016-03-16 16:56:08下载
- 积分：1
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qk_AG
捷联惯导卡尔曼滤波算法初始对准，参考哈工程的硕士写的，效果可以，但是不知道观测量是如何构造的。(Kalman filter algorithm SINS initial alignment, Master of Engineering Reference Kazakhstan write, the effect can be observables but do not know how to construct.)
- 2012-09-22 22:57:27下载
- 积分：1
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数值模拟方腔内Rayleigh-Benard对流cavity
数值模拟方腔内Rayleigh-Benard对流。采用交错网格投影法，能量方程采用松耦合方法。(Numerical Simulation of square cavity Rayleigh-Benard convection. Using staggered grid projection method, the energy equation using loosely coupled approach.)
- 2020-07-17 10:38:48下载
- 积分：1
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NearToFar
该程序用fortran90编写，时域有限差分（FDTD)中的近远场变换方法。解决了电磁波后向散射中的RCS计算(FORTRAN90 prepared with the program, finite difference time domain (FDTD) in the near field to far field transformation method. Resolved backscattering of electromagnetic waves in the RCS calculation)
- 2008-06-07 19:21:59下载
- 积分：1
