起重机悬臂的动力模态分析(5)

l,32,36 l,29,34 l,34,31 l,31,36 l,29,36 l,33,34

l,34,35 l,35,36 l,33,36 l,35,33 !连线

!定义单元类型，材料属性 et,1,link8 mptemp,,,,,,,, mptemp,1,0

mpdata,ex,1,,2.1e11 mpdata,prxy,1,,0.3 mpdata,dens,1,,7850 r,1,0.000106,,

!定义单元类型，材料属性 !划分单元 lesize,all,,,1,,1,,,1, lsel,all,,,,,, lmesh,all,, !划分单元 !加载求解 finish /sol

dk,33,all,,,,,, dk,34,all,,,,,, dk,35,all,,,,,, dk,36,all,,,,,,

antype,2 !模态分析 modopt,lanb,6 eqslv,spar mxpand,6,,,0 lumpm,0 pstres,0

modopt,lanb,6,0,1000000,,off mxpand,6,0,1000000,0,0.001,

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solve finish

!加载求解 !结果查看 /post1 set,list set,first pldisp,1 set,next pldisp,1 set,next pldisp,1 set,next pldisp,1 set,next pldisp,1 set,next pldisp,1

set,first

plnsol,u,sum,1,1.0 set,next

plnsol,u,sum,1,1.0 set,next

plnsol,u,sum,1,1.0 set,next

plnsol,u,sum,1,1.0 set,next

plnsol,u,sum,1,1.0 set,next

plnsol,u,sum,1,1.0 set,next finish

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