netcdf的fortran接口程序集

abaqus umat for concrete constitive law

基于非结构网格的降雨破堤程序，由Fortran编成。(simulation program for dam-break, coded by fortran)

说明：  EXERCICE CHM 3 ANNEE SECONDAIRE

一个简化的有源滤波器串联配置，提高并联型无源滤波器的滤波。(A simplified active filter in series configuration to improve the shunt passive filter filtering.)

介质共形FDTD技术，可以很好地计算圆柱介质的谐振频率，也可以计算谐振腔中含有介质球的谐振频率(Dielectric conformal FDTD technique can be a good medium to calculate the resonant frequency of the cylinder can also calculate the resonant frequency of the resonant cavity containing a dielectric sphere)

!本程序主要用来解决二维平面应力弹性问题（带厚度），在f90上调试通过。 !包含主程序STRESS和三个字程序ELSTMX(KK)、MODIFY、DCMPBD和SLVBD !主程序主要进行基本的输入输出以及最大半带宽的计算，组装总体刚度矩阵计算的应力应变值 !子程序elstmx(kk)计算刚度系数矩阵，生成第kk单元的刚度矩阵k !子程序MODIFY输入节点的集中力，边界节点的位移，对总体刚度矩阵和位移数组和节点力数组作修改 !子程序DEMPBD用高斯消元法将半带宽的矩阵变成上三角阵 !子程序SLVBD为总体矩阵的回代求位移向量DD(! The program is mainly used to solve the two-dimensional plane stress elasticity problems (with thickness), the f90 debugging through. ! Contains the main STRESS and words program ELSTMX (KK), MODIFY, DCMPBD and SLVBD! Main program for basic input-output and maximum half bandwidth calculation, the overall stiffness matrix assembly calculated stress and strain values! Subroutine elstmx ( kk) calculate the stiffness coefficient matrix to generate a first kk element stiffness matrix k! subroutine MODIFY input node of concentration, the displacement boundary nodes, the overall stiffness matrix and nodal force and displacement array array modified! subroutine DEMPBD using Gaussian elimination element method for the semi-bandwidth matrix becomes upper triangular matrix! subroutine SLVBD overall matrix for the displacement vector DD back intercessions)

PSCAD搭建的不控型整流充电机，适合初学者学习(PSCAD built not controlled rectifier charger, suitable for beginners to learn)

johnson-cook模型umat 适用于应变硬化，应变率硬化，温度硬化的材料，例如铝合金(johnson-cook model umat)

This program generates test functions.

说明：  PSCAD仿真算例,非常有用的算例信息，大家可以参照参照(PSCAD simulation example, the information very useful example, we can refer to reference)