ANSYS中如何求模态阻尼比

+Allen+

ANSYS中模态分析后如何求模态阻尼比，*GET命令如何应用

liu553322

*get,e_damp,mode,2,damp

+Allen+

回复 2 # liu553322 的帖子

能不能再具体点啊，或者是给力命令流的例子，不胜感激

16443

不能求解模态阻尼比

liu553322

/PREP7

MP,EX,1,2e11
MP,PRXY,1,0.3
MP,DENS,1,7800   

MP,EX,2,1.92e8
MP,PRXY,2,0.3
MP,DENS,2,1050  
MP,DAMP,2,0.5  



ET,1, Solid95  



Lb=205/1000
Wb=10/1000  
Tb=2/1000   

Ld=205/1000  
Wd=10/1000  
Td=2/1000   

K,1,0,0,0.5*wb
K,2,Lb,0,0.5*wb
K,3,Lb,0,-0.5*wb
K,4,0,0,-0.5*wb
K,5,0,Tb,0.5*wb
K,6,Lb,Tb,0.5*wb
K,7,Lb,Tb,-0.5*wb
K,8,0,Tb,-0.5*wb

V,1,2,3,4,5,6,7,8

K,9,0,Tb+Td,0.5*wb
K,10,Lb,Tb+Td,0.5*wb
K,11,Lb,Tb+Td,-0.5*wb
K,12,0,Tb+Td,-0.5*wb

V,5,6,7,8,9,10,11,12

VGLUE,all




Type,1
Mat,1

LESIZE,1,,,NL
LESIZE,6,,,NL
LESIZE,3,,,NL
LESIZE,10,,,NL
LESIZE,2,,,NW
LESIZE,8,,,NW
LESIZE,12,,,NW
LESIZE,4,,,NW


VMESH,1

Type,1
Mat,2

LESIZE,14,,,NL
LESIZE,18,,,NL

LESIZE,16,,,NW
LESIZE,20,,,NW

VMESH,2
NSEL,S, LOC, x
D,all,all

ALLSEL,ALL






/SOLU
ANTYPE,MODAL
MODOPT,lanb,6
mXPAND, 6,,,YES  
modopt,lanb,6,,,,off


!outpr,all
!outres,all
!/out,1,txt
SOLVE
/output,1,txt
finish



/post1

*get,e_pfact,mode,2,pfact
*get,e_damp,mode,2,damp

*status