sin(x)

基于VUMAT的粘弹性本构模型应力更新编程和单元失效准则以及失效单元删除(element delete)

内聚力的循环本构开发，新的UEL单元，比较复杂，很难学会的(Cyclic constitutive development of cohesion)

说明：  Fortran编程的边界元解决线性声辐射问题，含有编程方法和思路。(The boundary element method of FORTRAN programming is used to solve the problem of linear acoustic radiation.)

a program which demonstrates how a FORTRAN main program can declare an allocatable array, pass it to a subroutine, which can then allocate it and fill it with data, and then return the allocated and initialized array to the calling program

ABAQUS vumat subroutine for MODEL FOR THE SHEAR DEFORMATION AND CRACK OF POLYMERS in finite element simulation

副高五个指数的计算，可根据需要修改，数据需要提取，注意修改区域(the index of subtropical high)

计算fft，输出频谱，相位，模值,Calculation of FFT, the output frequency, phase, amplitude,

用于ABAQUS模型指数衰减的摩擦子程序(Friction subroutine for exponential decay of ABAQUS models)

书籍扫描件，fortran使用手册，清晰扫描版(this is a book for these who want to use fortran language)

F语言编程解决一维激波管问题，本程序为精确解。(One dimensional shock tube problem in F programming)