一本电子TCL语言教程，可为学习OPENSEES提供方便，其他有两个为调用ABAQUS的源程序UVMAT，另外两个是求解动力问题的matlab程序-An electronic TCL language tutorials, can provide convenient for learning OPENSEES, there are two other for invoking UVMAT source of ABAQUS program, the other two is to solve the dynamic problem of the matlab program