fortran 求电离层中性风

This UMAT program is a very good material for beginners in learning how to form Jacobin Matrix, how to update stress, etc.

可将实测河道断面转化为梯形断面，用于平原河网水动力学计算。(The measured channel section can be transformed into a trapezoidal section)

交叉谱分析 计算时间序列的滞后性 能广泛的应用于气象等科研领域(Spectrum analysis)

damage and failure in unidirectional fiber composite materials

说明：  复合材料VUMAT层压板三维分析，失效准则为蔡-吴失效(Three dimensional analysis of composite laminates using VUMATwith Tsai-Wu failure criterion)

各向异性q模拟， 适应于地震资料处理反演实验(U-58 Ani Q- Anisotropic Q modeling Yaping Zhu May 2006 Confidential to the Consortium until 1 Aug 2009 Contents of this directory are Matlab packages to perform the following tasks. HomoPlaneAttVTI, Yaping Zhu, complex wavenumber for "homogeneous" plane P-SV wave propagation in VTI media with VTI attenuation Note: "Homogeneous" here means that the real and imaginary parts of the wavevector are parallel to each other. HomoPlaneAttORT, Yaping Zhu, complex wavenumber for "homogeneous" plane P-wave propagation in orthorhombic (ORT) media with ORT attenuation Note: "Homogeneous" here means that the real and imaginary parts of the wavevector are parallel to each other. RotCij, Yaping Zhu, Bond transformation of the Cij matrix (6x6) EffQTI, Yaping Zhu, Effective attenuation- and velocity-anisotropy parameters for finely-layered VTI media composed of arbitrary number of constituents )

徐世良经典算法集合，包含常用的各种算法，供大家下载参考(index for FEM code)

Community Earth System Model 是目前发展最为完善的地球模拟模型。内含land，ocean,atm等7个模块，可以为科研人员模拟地球的过去，现在和未来。这是最新的版本。1.2.2

IMSL Fortran Numerical Math Library Version 7.0

使用sph方法求解NS方程，在此程序中考虑了表面张力的影响(this code solves N-S equation which uses SPH method，further more it consist of the surface tension part。)