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于 2020-02-03 发布

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说明：应用龙格库塔算法求解动力学微分方程，求解时域数据(Solving dynamic differential equation with Runge Kutta algorithm)

文件列表：

bev.m, 181 , 2016-04-22
config.xlsx, 10988 , 2016-05-23
dynamic_analysis.m, 13485 , 2018-08-24
heli.m, 180 , 2016-05-23
J1_s_response.txt, 1600061 , 2018-08-24
jiansuqi.xlsx, 19918 , 2016-05-23
modal5.m, 383 , 2016-05-23
planet.m, 288 , 2016-05-23
reducer_varying.m, 1151 , 2015-06-11
spur.m, 186 , 2016-05-23
几个函数.doc, 25088 , 2018-09-03
减速器动力学分析软件开发报告.doc, 4591616 , 2018-09-03

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petsc-3.0.0-p6.tar
PETSc (Portable, Extensible Toolkit for Scientific Computation) 是美国能源部ODE2000 支持开发的20 多个ACTS 工具箱之一，由Argonne 国家实验室开发的可移植可扩展科学计算工具箱，主要用于在分布式存储环境高效求解偏微分方程组及相关问题。(PETSc (Portable, Extensible Toolkit for Scientific Computation) is ODE2000 U.S. Department of Energy to support the development of one of more than 20 ACTS Toolkit, developed by the Argonne National Laboratory' s Portable, Extensible Toolkit scientific computing, mainly used in the distributed memory efficient environment for solving partial differential equations and related issues.)

2009-06-15 19:13:38下载

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WLS
用最小二乘法进行电力系统状态估计，包含IEEE30节点的电力系统图(Using least squares power system state estimation, including IEEE30 bus power system diagram)

2021-03-01 16:29:35下载

积分：1
CZM_for_instability
用于有限元软件Abaqus分析材料断裂的粘结区模型（CZM）子程序，由著名学者高彦飞编程，具有很高的参考价值。(ABAQUS allows the addition of a variety of user subroutines. We define a user element by UEL. Information of element and nodal displacements can be obtained from ABAQUS, and we update the stiffness matrix and the residual vector following the cohesive zone law. More coding details can be found in ABAQUS manual.)

2021-04-05 16:49:03下载

积分：1
作业
说明：数值分析matlab作业答案，介绍，matlab编程，数值分析计算(Numerical analysis matlab homework answers)

2021-01-02 13:46:16下载

积分：1
yangkanglunwen
对流扩散方程一维的有限差分法，有限元法，特征有限差分法，特征有限元法代码(Convection diffusion equation of one dimensional finite difference method, finite element method, characteristic finite difference method, characteristic finite element method (fem) code)

2015-10-09 16:25:00下载

积分：1
FEM-of-four-bar-truss-structures
四杆桁架结构的有限元分析程序，在VS2008软件中使用C++语言编写，输入为四杆桁架结构的节点坐标，材料参数，边界条件，输出为各节点的应力和应变。(Four-bar truss structure finite element analysis program, the use of C++ written in VS2008 software, input node coordinate the four-bar truss structure, material parameters, boundary conditions, the output of the stress and strain of each node.)

2015-06-22 10:03:42下载

积分：1
精密星历内插 matlab代码
精密星历内插 matlab代码,包含误差分析(Precise ephemeris interpolation matlab code, including error analysis)

2021-05-08 21:28:35下载

积分：1
Guide-to-Fortran77
这本书由 Clive G. Page(University of Leicester)先生撰写，旨在帮助正在学习fortran的人。这是本非常好的原版英文入门书。(This book written by Clive G. Page(University of Leicester) is aimed to help those who want to pursue his/her career in Fortran. It is a good start book.)

2013-06-18 18:42:03下载

积分：1
spatial
空间计量经济学常用的casetti_models、far_models、gmm_models、gwr_models、sac_models、sar_models等多种模型源代码(Multiple models of the used spatial econometrics casetti_models, far_models gmm_models gwr_models sac_models sar_models source code)

2012-11-22 16:06:29下载

积分：1
OpenSees1.0
经典的可编程添加模块的面向对象的有限元程序代码(C++ code for OOFEM based on multi-systems)

2018-05-02 19:45:18下载

积分：1

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