shuangkui

描述固体凝固的随机变化状态，为fortran语言，请自行下载对应编译器(describe solid phase status, as fortran lauguage, please download associated compiler)

用户子程序帮助文档，官方文件，包含vumat和umat(User subroutine help documentation)

稀疏矩阵算法及其程序实现(杨绍祺+谈根林)，有解决稀疏矩阵需要的朋友可以好好认真的看一下(Sparse matrix algorithm and program implementation (Yang Shaoqi+ Tan root forest), solve sparse matrix can be a good friend in need a serious look at)

用于abaqus的Mises应力分析子程序(abaqus user-defined subroutine (UMAT & VUMAT) for the calculation of Mises stress)

umat子程序，国外博士论文的，版本比较早，可以值得学习(failed to translate)

PSCAD仿真程序，Buck降压电路，有PI控制，很有参考价值(PSACD program,Buck Chopper)

金属材料的随动强化有限元模型，适用于有限元分析的本构模型二次开发(Finite element model of kinematic hardening of metallic materials, constitutive model suitable for finite element analysis of secondary development)

超临界二氧化碳工质调用NIST的函数代码，可以直接接入所建立模型中(The function code of the supercritical carbon dioxide working fluid calling NIST can be directly connected to the established model.)

通过Fortran语言，利用牛顿方程迭代来求解非线性方程组，可设置为二元或多元(Through the Fortran language, the Newton equation iteration is used to solve the nonlinear equations, which can be set to two yuan or multivariate.)

基于PSCAD的混合有源滤波器模型，仅供学习参考(HAPF model based PSCAD)