板 —集中质量系统ANSYS模态分析

happy-wu

/ PREP7
width=1
length=2
high=.1
mass_hig=0.1
ET,1,SHELL63
ET,2,MASS21
R,1,0.02
R,2,100
MP,EX,1 ,2E11
MP,NUXY,1,0.3
MP,DENS,1,7800
RECT,0,length,0,width
K,5,0,0,high
K,6,length,0,high
K,7,length,width,high
K,8,0,width,high
ESIZE,0.1
AMESH,all
N,500,length/2,width/2,mass_hig
TYPE,2
REAL,2
EN,500,500
CERIG,500,136,all
CERIG,500,138,all
CERIG,500,154,all
CERIG,500,156,all
FINISH
! 模态求解
/ SOLU
ANTYPE ,MODAL
MODOPT ,SUBSPACE ,10
NSEL ,S ,LOC ,x ,0
D ,ALL ,ALL
ALLS
! 扩展模态
MXPAND ,10
SOLVE
FINISH
! 检查结果
/ POST1
SET ,L IST
FINISH

warlunian

这不是《ANSYS动力学分析指南》中第20页里面的例子吗？