ANSYS动力学分析的几个入门例子

基本过程：
1、建模
2、求模态解
3、求谱解
4、扩展模态
5、模态合并
6、观察结果
/PREP7 !建模
ET,1,BEAM189
ET,2,SHELL93
R,1,0.01, , , , , ,
MP,EX,1,210e9
MP,PRXY,1,0.3
MP,DENS,1,7850
SECTYPE, 1, BEAM, RECT, secA, 0
SECOFFSET, CENT
SECDATA,0.005,0.008,0,0,0,0,0,0,0,0
K, ,-0.5,,,
K, ,0.5,,,
K, ,,,1,
K, ,,1,1,
K, ,-0.5,1,,
K, ,0.5,1,,
K, ,,,0.5,
A,4,5,6
LSTR, 1, 5
LSTR, 3, 4
LSTR, 2, 6
LSEL,S,LINE,,4,6
LATT,1,1,1, , 7, ,1
LSEL, , , ,ALL
LESIZE,ALL, , ,10, , , , ,1
LMESH,4,6
TYPE, 2
MSHAPE,0,2D
MSHKEY,1
AMESH,1
FINISH