当量正态化程序，风险可靠度计算程序

说明：  基于abaqus的搅拌摩擦焊热源Fortran子程序(Subprogram of friction stir welding heat source based on abaqus)

基于孤岛模式下的PSCAD下垂控制模型，仅供参考学习(PSCAD islanding mode droop control model based study for reference purposes only)

A UMAT of hardening DP-Model with closest point projection mehtod return mapping algorithm in ABAQUS Described in Chinese

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)

用T矩阵计算多颗粒体系的散射和电场。可以计算出该体系的电场分布。(A multiple sphere T-matrix FORTRAN code for use on parallel computer clusters)

对新月沙丘进行建模，生成一系列水平高度上沙丘截面数据，以便导入实体建模软件进行实体造型(Modeling of the crescent dunes, dune-sectional data to generate a series of horizontal height to import solid modeling software for solid modeling)

弹塑性 材料的本构方程 通过UMAT子程序有限元模拟 实现(Finite element simulation of elastic-plastic constitutive equation)

ANSYS二次开发自定义破坏准则子程序(ANSYS subroutine)

4机发电系统 采用仿真软件建模用于多极系统分析(four machines generator PSCAD)

说明：  根据塑性理论，硬化分为随动硬化和等向硬化，这个UMAT是一个随动硬化的例子。(According to the theory of plasticity, hardening is divided into Kinematic hardening and isotropic hardening. This UMAT is an example of Kinematic hardening.)