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MMA

于 2020-08-01 发布

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说明：拓扑优化常用优化算法，移动渐进线方法，内含详细的程序说明，指出使用改算法的具体操作(Topology optimization commonly used optimization algorithm, method of moving asymptotes, contains detailed program description, and points out the specific operation of the modified algorithm)

文件列表：

MMA, 0 , 2020-08-01
MMA\mmasub.m, 5646 , 2014-10-04
MMA\subsolv2.m, 5488 , 2018-04-10
MMA\程序说明.txt, 1070 , 2020-08-01

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bianpojiegousheji3
本文基于毕肖普法和蒙特卡洛法,利用MATLAB编程软件计算了边坡结构的失效概率Pf和对应可靠指标β.在计算上述Pf和对应β时,考虑了土体三个主要基本参数(重度γ、内摩擦角(Ψ)、粘聚力c)的随机特性.利用MATLAB程序的计算结果表明,随机变量对边坡可靠度的影响与基本随机参数对抗滑反力的贡献大小有关,即,贡献大的基本随机参数,它的随机波动对结构失效概率Pf的影响也较大,反之亦然.另外,基于MATLAB的算例计算结果还表明:边坡结构失效概率Pf对内摩擦角(Ψ)较敏感,而对重度y和粘聚力c次之.其次,当同时考虑三个随机变量的联合波动对Pf的影响时发现,当它们在小范围内随机波动时,其联合特性对Pf的影响较敏感,但当它们在大范围内随机波动时,Pf主要受敏感随机变量的影响,而三个随机变量联合作用对Pf的影响和敏感随机变量(Ψ)单独作用时相差不大.由此可见,在实际边坡工程可靠性分析中,土体内摩擦角起主要作用,不容忽视.(Based Bishop method and Monte Carlo method, using MATLAB programming software to calculate the failure probability Pf and the corresponding slope reliability index β structure in the calculation of the above Pf and the corresponding β, consider the three main basic soil parameters (severe γ internal friction angle (Ψ), cohesion c) of the random nature of calculation results using MATLAB program shows that the influence of random variables on the reliability of the basic random slope parameters against anti- slip contribution to the size of the force , that is , the contribution the basic parameters of large random , random fluctuations which affect the probability of structural failure Pf is also larger , and vice versa addition, the calculation based on MATLAB numerical results also show that : the structure of slope failure probability Pf internal friction angle (Ψ) more sensitive , while severe and cohesion c y followed . Secondly, when taking into account the impact of the joint fl)

2014-01-10 17:36:46下载

积分：1
s3
脉冲多普勒雷达基本回波脉冲模拟和信号处理过程仿真(Basic echo emulation and signal processing simulation of Pulse Doppler radar )

2021-01-21 22:58:46下载

积分：1
chap10Mfiles
数字信号处理第十章 FIR滤波器的设计代码实现(Digital Signal Processing Chapter FIR filter design code)

2014-01-07 22:42:38下载

积分：1
a
说明：流形自适应学习算法，能时间在Matlab上运行，并包含参考文献。(the program running on the Matlab platform.)

2017-07-22 10:15:05下载

积分：1
pushang
说明：有频带方差和谱熵法。自己实现加窗分帧。里面设计傅里叶变换还有矩阵的运算。(speech endpoint detection. frequence_diff and pushang.)

2010-04-19 17:03:16下载

积分：1
new-example-of-statistics
一些较新的数据统计与分析方面的例子。含有多个有价值的MATLAB例子。(new examples of statistics and analysis)

2012-05-23 17:46:30下载

积分：1
sscleadacidbattery
lead acid battery managaemnt

2014-11-13 00:49:01下载

积分：1
encoding_scheme_papers_rafa
All papers on encoding schemes- convolution and LDPC

2016-04-04 22:07:07下载

积分：1
mimo
一种基于MIMO的能够智能天线选择算法 MATLAB语言编写(A conpute of channel selection based on MIMO)

2011-04-30 16:21:50下载

积分：1
wdg_min_dist
wedge minimum distance control

2015-03-24 00:59:24下载

积分：1

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