资源描述：
《ansys质量矩阵刚度矩阵提取.docx》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。
1、__________________________________________________ansys质量矩阵刚度矩阵提取看了这么久了都没人回，查了一些质料终于找到答案了，，下面提供三种方法：方便与其他程序进行接口编程1.Whichmatrixyouwouldlike?elementstiffnessmatrixorfullstiffnessmatrix?elementstiffnessiswithinfile.emat.fullstiffnessmatrixiswithinfile.fullAsimplewaytodumpthematrixisasfo
2、llow:-------------------/aux2fileaux2,file,ematform,longdump,all-------------------2.可以使用/DEBUG命令来得到。详细步骤参见下面的宏文件____________________________________________________________________________________________________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,,!将输出信息送到cp.out文件/debug,-1,,,1!指定输出单元矩阵/SOLUSOLVEfinish/OUTPUT,TERM!将输出信息送到output____________________________________________________________________________________________________windows中!这时用编辑器打开cp.out文件，可以看到按单元写出的质量、刚度等矩阵3.其
5、原理很简单，即使用ansys的超单元即可解决问题。定义超单元，然后列出超单元的刚度矩阵即可。面是一个小例题，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，不必施加约束和荷载/soluantype,7!substructuring分析类型seopt,matname,2!设置文件名称和刚度矩阵类型(刚度，质量，阻尼等)nsel,all!选择所有节点m,all,all!定义所有节点自由度为主自由度solve!求解selist,matname,3!列出整体刚度矩阵ANSYS单元和整体刚度矩阵的提取一、单元刚度矩阵的提取/DEBUG命令详细说明：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
