Connection-instance

复合材料破坏失效vumat子程序，使用hsshin准则判断失效，具有刚度缩减，(The VUMAT subroutine for failure of composite materials is judged by hsshin criterion, and stiffness is reduced.)

有限单元法基本原理和数值方法,书籍，供学习参考(The basic principle of finite element method and numerical methods)

基于abaqus编辑的用户自定义单元，二维四节点单元(the uel for 2d ELEMENT based on abaqus)

随机森林算法，适合初学者阅读，包括公式，资料，调试(Random forests algorithm, suitable for beginners to read, including formulas, data, commissioning)

导体柱柱涂覆介质环的电磁散射特性解析计算(Optimization and Analysis of Electromagnetic Scattering Characteristic for conductive Dielectric Cylinder)

工程领域，PR方程代码.用于计算混合工质性质。(PR equation code)

用C语言编写的Fluent UDF实例，包含Adjust宏，profile宏等八个实例教程，快速上手(The UDF is for computational fluid dynamics software Fluent, it concludes the Profile.c,the Adjust.c)

五点差分法(matlab)解椭圆型偏微分方程方程,分法,偏分,五点差分,椭圆型,偏微分方程(Five-point difference method (matlab) solutions of elliptic partial differential equations, sub-law, partial points, five-point difference, elliptic partial differential equations)

用以计算nscat地球物理模型函数的程序！(This is a program for calculating the nscat geophysical model.)

采用凸优化的理论解决优化问题，使用python语言，采用pip安装即可(The convex optimization theory is used to solve the optimization problem. Python language is used and pip is installed)