fortran程序集

基于ABAQUS UMAT二次开发的三维邓肯-张本构模型(A program for 3-D Ducan-Zhang model based on ABAQUS UMAT)

说明：  可以用于ABAQUS子程序中创建蠕变模型，关于蠕变损伤分析(Used to create creep models in ABAQUS subroutines)

This matlab code includes the solution for root off a polynomial by Bairtow method .....

网格转换程序，能够实现star cd格式的二维非结构及结构网格数据转换，采用fotran编写，能够完美运行，希望对初学者有所帮助。

用于海上风电场高频暂态仿真 基于PSCAD平台 撬棒控制(For the offshore wind farm high frequency transient simulation platform based on PSCAD control lever)

ABAQUS软件用户材料子程序-VUMAT,对ZWT模型进行二次开发，采用Fortran语言编程。(abaqus software user subroutine UMAT, ZWT constitutive model for secondary development.)

《Turbulence models and their application》的附录程序，经典K-ε湍流模型的绝佳教材。(《 Turbulence models and their application》 in the appendix procedure, the classical K-ε turbulence model is an excellent teaching materials.)

说明：  包括了Reynolds方程数值计算方法，用于计算面、线、块接触润滑计算，轴承润滑，考虑能量方程的润滑计算(Includes numerical calculation method of Reynolds equation, used to calculate surface, line, block contact lubrication calculation, bearing lubrication, lubrication calculation considering energy equation)

提取feko的ffe文件的散射场，适合电磁雷达专业学生(Extract feko ffe file scattering field, suitable for electromagnetic radar professional students)

重力频率域位场延拓。将观测面的位场数据（a20_mag.gtd）向上延拓3.3m，之后与已知的理论值（a53_mag.grd）进行比较，计算其均方误差；反之，将观测面的位场数据（a53_mag.grd）向下延拓3.3m，之后与已知的理论值（a20_mag.grd）进行比较，计算其均方误差。(gravity frequency field extend)