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vlmd

于 2021-03-17 发布文件大小:299KB

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下载积分: 1 下载次数: 89

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代码说明：

计算低速气动力的涡格法程序，来自NASA，可信度高(This is a vortex lattice aerodynamic program from the low speed aerodynamics group at NASA Langley)

文件列表：

analysis.f90,63858,2005-01-05
c1.inp,1004,2004-01-17
c1.out,234165,2004-12-07
c2.inp,1020,2004-11-05
c2.out,234165,2004-12-07
c3.inp,772,2004-11-05
c3.out,177050,2004-12-07
c4.inp,1000,2004-11-05
c4.out,202549,2004-12-07
case1.inp,441,2013-03-13
case1.out,234808,2013-03-12
case2.inp,441,2013-03-13
case2.out,234808,1996-12-30
case3.inp,396,2013-03-13
case3.out,177509,1996-12-30
case4.inp,453,2013-03-13
case4.out,203123,1996-12-30
geom.f90,34788,2008-12-14
input.txt,1103,2006-01-04
lar15160.txt,3226,1999-01-08
read.me,1655,2005-01-05
readme.txt,2893,2011-10-02
vlmd.txt,1080,1997-01-01

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最速下降法与牛顿法
说明：此代码包括牛顿法和梯度下降法的实现过程，最优化以及算法中常见的问题解决方式(This code includes the process of Newton method and gradient descent method)

2020-01-07 09:42:51下载

积分：1
AnalyticAnelastic
二维粘弹性介质中波的传播的解析形式。应用Carcione等在1988年发表的《WAVE PROPAGATION SIMULATION IN A LINEAR VISCOELASTIC MEDIUM》一文中的方法，更加详细的介绍见英文描述。该代码对于做波场模拟的同学有很好的参考价值。( MATLABScript for obtaning the analytical solution for 2D wave propagation in a viscoelastic medium, based on the Appendix B of paper of Carcione et al. (1988)(1), corrected in (2). The source used is a Ricker wavelet in the y velocity component. A figure of the source temporal function and its inverse Fourier transform are provided to verify the good working of the method. Also works for elastic variables by substituting the values of vp and vs by real constant ones (vp_0 & vs_0). Attenuation is implemented by GMB-EK rheology presented in (4) and thoroughfully explained in (3). In order to make a proper comparison with numerical data it is recommended to either use the same rheology in both the numerical and the analytical. It is also possible to get an almost constant Q value by increasing a lot the number of mechanisms used in both the numerical and the analytical solutions, thus minimizing the effects of the Q fitting in the comparison.)

2012-04-23 13:18:07下载

积分：1
FDTD for optical waveguides.rar
说明：本程序是采用FDTD算法结合PML吸收边界，对对称三层平板光波导的模式场仿真(This program uses FDTD algorithm and PML absorbing boundary to simulate the mode field of symmetrical three-layer planar optical waveguide.)

2020-09-10 16:08:00下载

积分：1
SVMcgForRegress
说明：支持向量机中的支持向量回归函数对数据进行预测(Support Vector Regression Function in Support Vector Machine to Predict Data)

2019-05-12 16:42:10下载

积分：1
WilsonMethod
进行结构响应分析的Wilson法，是直接积分的基本算法之一，相信进行有限元动力分析编程的诸位都能用上(structural response analysis of Wilson, which is direct integration one of the basic algorithm, believe that the dynamic finite element analysis program you can use)

2006-07-09 11:15:54下载

积分：1
UEL_XFEM
说明：扩展有限元的Fortran代码，用于扩展有限元的数值仿真计算。(Extended finite element of the Fortran code for the extended finite element numerical simulation.)

2010-04-28 13:20:19下载

积分：1
Newmark
数值分析很好很快的计算特征值和特征向量的方法，很实用(Very fast numerical analysis computing eigenvalues and eigenvectors of the method, it is practical)

2009-04-01 10:36:55下载

积分：1
Gauss-Seidel-in-C-Program
高斯-赛德尔迭代法是解线性方程组的常规算法，本文是C语言的高斯-赛德尔计算代码(Gauss-Seidel C program)

2016-04-08 09:51:43下载

积分：1
youxianyuanfachenyong
有限元常用子程序模块，WORD版内含各种有限元法C++编程的子模块(finite element commonly used subroutine modules, Word version containing various Finite Element Method C Programming Module)

2006-12-15 09:36:52下载

积分：1
Trust-RegionInterior_Point
本代码为《最优化理论与方法》书籍重的信赖域算法的代码，本代码中的目标函数和约束等初值可由需要进行改变，来得到所期望的计算(The code for the " optimization theory and method" heavy books trust region algorithm code, the code of the objective function and constraints may need to change the initial value to get the desired calculation)

2013-05-28 17:47:02下载

积分：1

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