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1、__________________________________________________ansys質(zhì)量矩陣剛度矩陣提取看了這么久了都沒人回，查了一些質(zhì)料終于找到答案了，，下面提供三種方法：方便與其他程序進行接口編程1.Whichmatrixyouwouldlike?elementstiffnessmatrixorfullstiffnessmatrix?elementstiffnessiswithinfile.emat.fullstiffnessmatrixiswithinfile.fullAsimplewaytodumpthematrixisasfo
2、llow:-------------------/aux2fileaux2,file,ematform,longdump,all-------------------2.可以使用/DEBUG命令來得到。詳細步驟參見下面的宏文件____________________________________________________________________________________________________finish/clearPI=3.1415926w1=3w2=10w3=6w4=1.2r=.8t=0.08/PREP7!*ET,1,SHELL
3、63R,1,tET,2,MASS21R,2,500,500,500,2000,2000,2000,!*UIMP,1,EX,,,2e11____________________________________________________________________________________________________UIMP,1,NUXY,,,0.3,UIMP,1,DAMP,,,0.2,UIMP,1,DENS,,,7800,BLC4,0,0,w2,w1ESIZE,1.5,0,AMESH,allNSEL,S,LOC,X,0.0D,all,,,,,,
4、ALL,,,,,allsel,allSFA,all,1,PRES,12FINISH/OUTPUT,cp,out,,!將輸出信息送到cp.out文件/debug,-1,,,1!指定輸出單元矩陣/SOLUSOLVEfinish/OUTPUT,TERM!將輸出信息送到output____________________________________________________________________________________________________windows中!這時用編輯器打開cp.out文件，可以看到按單元寫出的質(zhì)量、剛度等矩陣3.其
5、原理很簡單，即使用ansys的超單元即可解決問題。定義超單元，然后列出超單元的剛度矩陣即可。面是一個小例題，自可明白。/prep7k,1k,2,3000l,1,2et,1,beam3mp,ex,1,2e5mp,prxy,1,0.3mp,dens,1,2e3r,1,5000,2e7,200lesize,all,,,10____________________________________________________________________________________________________lmesh,allfinish!----以上正常建
6、立模型，不必施加約束和荷載/soluantype,7!substructuring分析類型seopt,matname,2!設(shè)置文件名稱和剛度矩陣類型(剛度，質(zhì)量，阻尼等)nsel,all!選擇所有節(jié)點m,all,all!定義所有節(jié)點自由度為主自由度solve!求解selist,matname,3!列出整體剛度矩陣ANSYS單元和整體剛度矩陣的提取一、單元剛度矩陣的提取/DEBUG命令詳細說明：finish/clear__________________________________________________________________________
7、__________________________PI=3.1415926w1=3w2=10w3=6w4=1.2r=.8t=0.08/PREP7!*ET,1,SHELL63R,1,tET,2,MASS21R,2,500,500,500,2000,2000,2000,!*UIMP,1,EX,,,2e11UIMP,1,NUXY,,,0.3,UIMP,1,DAMP,,,0.2,________________________________________________________________________________________________
8、____UIMP,1,D
