ansys弹簧建模有限元分析

ET,1,COMBIN14,,,2 ! UX AND UY DOF ELEMENT(单元类型)
ET,3,COMBIN40,,,,,,2 ! ALL MASS IS AT NODE J, UX DOF ELEMENT
ET,4,COMBIN40,,,2,,,2 ! ALL MASS IS AT NODE J, UY DOF ELEMENT
R,1,1 ! SPRING STIFFNESS = 1（刚度）
R,2,8 ! SPRING STIFFNESS = 8
/COM USE COMBIN40 MASS, K, AND DAMPING C, TO APPROX. CRITICAL DAMPING
R,3,,1.41,1 ! C = 1.41, M = 1（实常数）
R,4,,2,1 ! C = 2, M = 1
N,1（创建节点）
N,2,,10
N,3,,20
N,4,-1,10
N,5,,9
LOCAL,11,0,0,0,0,45（设置局不坐标）
NROTAT,2 （移动工作坐标系） ! ROTATE NODE SO LOAD CAN BE DIRECTLY APPLIED
E,1,2 （连接1,2单元被赋予实常数） ! ELEMENT 1 IS SPRING ELEMENT WITH STIFFNESS 1
REAL,2