fdtd3D_PML

实现矿井采空区的孔隙率和粘性阻力系数，主要用于采空区瓦斯抽采(The porosity and viscosity resistance coefficient of mine goaf can be achieved.)

abaqus在岩土工程中应用，第六章其中的一段源代码，(apply for geotectnical)

气泡上浮实验，基于fluent的二维模型(Bubble Floating Experiment)

通过FORTRAN编写damage子程序，在板材成形中实现破裂的可视化及成形极限预测(FORTRAN subroutine written by damage to achieve rupture of visualization in sheet metal forming and forming limit prediction)

ABAQUS中各种不同本构的内聚力单元fortran用户子程序(ABAQUS in a variety of constitutive cohesive unit fortran user subroutines)

说明：  求解二维亥姆霍兹方程的fortran程序，包含网格文件。(Fortran two-dimensional Helmholtz equation solving procedures, including the grid file.)

用matlab进行简单的FDTD模拟计算，初学者可以看看。。。。。。(The FDTD simulation, beginners can take a look. . . . . .)

说明：  常用的matlab代码，非线性方程组求解，基本可以满足大学和研究生常用代码(Common Mathematical Codes)

nelder-mead algorithm for unconstrained optimization simulation in c programming language

求解时滞微分方程的龙格库塔方法！用matlab编写的。(Solving Delay Differential Equations Runge-Kutta methods! Prepared using matlab.)