naca4gen

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.)

根据传热理论, 建立了大功率发光二极管的有限元模型. 选择了4 种键合材料( 高导热导电 银胶、纳米银焊膏, 大功率芯片键合胶、Sn70Pb30) , 4 种基板材料( Al2O3、A lN、A-l SiC、铜钼合金) . 采用ANSYS 有限元热分析软件进行了温度场仿真, 得到了大功率发光二极管封装材料的最优选 择. 研究了基板厚度、芯片输出功率及外接热沉时对发光二极管结温的影响.(Heat transfer theory, the finite element model of the high-power light-emitting diode. Choose four kinds of bonding material (high thermal conductive silver glue, nano-silver paste, high-power chip bonding glue Sn70Pb30) substrate material ( Al2O3, A lN, Al SiC, copper molybdenum alloy). temperature field simulation using ANSYS finite element thermal analysis software, the optimal choice of high-power light-emitting diode packaging materials. substrate thickness, chip output power and external heat Shen light-emitting diode junction temperature.)

In this section we introduce the idea of Galerkin approximations by considering a simple 1-d boundary value problem

二维热传导扩散方程的高斯-赛德尔迭代方法。(A two-dimensional thermal diffusion problem using Gauss-Seidel iteration method.)

说明：  同步压缩变换工具箱，十分强大，学习时频变换的好帮手(Synchronous compression transformation toolbox, very powerful, good helper for learning time-frequency transformation)

风机动量叶素理论设计中迭代计算风机叶片弦长与扭角(Fan momentum blade element theory design iteration fan blade chord and twist angle)

快速计算相关系数的c代码,比较适用于统计学(Very efficient implementations for calculating correlation efficients )

一个用于解决马尔可夫过程的源代码,很适合学习随机过程的同学1(a Markov process for the settlement of the source code, are very suitable for studying stochastic process a classmate)

用matlab实现新的启发式算法—蝙蝠算法，用于生产优化问题(New heuristic- bat algorithm for the production optimization problem using matlab )

地球物理反问题中带约束的Tikhonov正则化方法的应用(applications of constrained regularization method )