fftwuserdll

适合于稀薄流动计算的气体动力学格式源码，该源码为xukun老是JCP论文中的算例一致(UGKS1D- shock structure calculation using Unified Gas-Kinetic Scheme)

目前为止最快速的EMD算法，也可作为SIFT匹配的一种方法(So far, the fastest EMD algorithm can also be used as a method of SIFT matching)

有限差分法，5阶WENO格式求解一维Euler方程组的双冲击波问题(fifth-order WENO scheme for 1-D Euler equation with two blast waves problem)

利用有限元理论，求一二维梁的固有频率和振型。短边固定，给定长度、横截面积，弹性模量及材料密度已知。并对比理论计算结果进行分析。各参数自己设定。(Using finite element theory, seeking a two-dimensional beam natural frequencies and modes. The short side is fixed, given the length, cross-sectional area, modulus of elasticity and density of the material is known. And compare the theoretical calculation results were analyzed. Each parameter set.)

本程序可模拟ND情况下的傅里叶变换，经过验证无误(This program can simulate the Fourier transform of the ND situation, and after the test, the program is correct )

this document contain some demonstrations in mathematics , it can bee very helpful for beginners

说明：  非线性振动教程，学习振动的学者们必须看的东西。(Nonlinear vibration tutorial, learning vibration scholars must look at things.)

计算辐射传输专业代码，可以计算大气透过率等参数。欢迎下载使用。(Radiative transfer calculations the professional code, and can calculate parameters such as atmospheric transmittance. Welcome to download.)

说明：  可实现Dijkstra算法，显示起始点到其它各节点的最短距离和路径(Dijkstra algorithm can be implemented to show the shortest distance and path from the starting point to other nodes.)

计算CAPE（对流有效位能）的Fortran程序(Fortran program calculating CAPE)