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1、/FILNAME,Bolt,1/TITLE,BoltAnalysis/PREP7!定义单元。ET,1,SOLID95!定义材料属性。MPTEMP,,,,,,,,!定义材料属性。MPTEMP,1,0MPDATA,EX,1,,1e5MPDATA,PRXY,1,,0.35MPTEMP,,,,,,,,!定义螺栓材料属性。MPTEMP,1,0MPDATA,EX,2,,2.06e5MPDATA,PRXY,2,,0.3MPTEMP,,,,,,,,MPTEMP,1,0UIMP,2,REFT,,,0MPDATA,ALPX,2,,2e-5wpro,,-90.000
2、000,!调整工作平面。!建立几何模型。CYLIND,71,45,0,12,-22.5,22.5,!建立上管道。CYLIND,52,45,12,50,-22.5,22.5,ADRAG,16,,,,,,12!体分割。VSBA,1,13CYL4,61,,5.2,,,,12!螺栓孔。VSBV,3,1!体布尔操作。CYL4,61,,4,,,,24!建立螺栓模型。FLST,3,1,6,ORDE,1!调整螺栓位置。FITEM,3,1VGEN,,P51X,,,,-12,,,,1CYL4,61,,8.3,,,,8!建立螺母模型。FLST,3,1,6,ORDE,
3、1!调整螺母位置。FITEM,3,3VGEN,,P51X,,,,12,,,,1FLST,3,1,6,ORDE,1!复制螺母。FITEM,3,3VGEN,2,P51X,,,,-32,,,0FLST,2,4,4,ORDE,2!螺母分割。FITEM,2,46FITEM,2,-49ADRAG,P51X,,,,,,61FLST,3,4,5,ORDE,2FITEM,3,32FITEM,3,-35VSBA,3,P51X!上管道螺母分割。FLST,2,4,4,ORDE,2FITEM,2,42FITEM,2,-45ADRAG,P51X,,,,,,71FLST,3
4、,4,5,ORDE,4FITEM,3,24FITEM,3,-25FITEM,3,39FITEM,3,-40VSBA,6,P51X!下管道螺母分割完成。!以上模型建立完成。!网格划分。FLST,5,41,4,ORDE,2!管道网格密度控制。FITEM,5,1FITEM,5,-41CM,_Y,LINELSEL,,,,P51XCM,_Y1,LINECMSEL,,_YLESIZE,_Y1,4,,,,,,,1FLST,5,3,6,ORDE,3!管道网格划分。FITEM,5,2FITEM,5,4FITEM,5,-5VSEL,R,,,P51XALLSEL,B
5、ELOW,VOLUVPLOTTYPE,1MAT,1REAL,ESYS,0SECNUM,FLST,5,3,6,ORDE,3FITEM,5,2FITEM,5,4FITEM,5,-5CM,_Y,VOLUVSEL,,,,P51XCM,_Y1,VOLUCHKMSH,'VOLU'CMSEL,S,_YVSWEEP,_Y1CMDELE,_YCMDELE,_Y1CMDELE,_Y2!上管道网格划分完成。FLST,3,3,6,ORDE,3!通过镜像产生下管道。FITEM,3,2FITEM,3,4FITEM,3,-5VSYMM,Y,P51X,,,,0,0ALLSEL
6、,ALL!选择所有元素。FLST,5,46,4,ORDE,2!螺栓网格密度控制。FITEM,5,42FITEM,5,-87CM,_Y,LINELSEL,,,,P51XCM,_Y1,LINECMSEL,,_YLESIZE,_Y1,1.6,,,,,,,1TYPE,1!螺栓网格划分。MAT,2REAL,ESYS,0SECNUM,FLST,5,5,6,ORDE,4FITEM,5,1FITEM,5,3FITEM,5,7FITEM,5,-9CM,_Y,VOLUVSEL,,,,P51XCM,_Y1,VOLUCHKMSH,'VOLU'CMSEL,S,_YVSW
7、EEP,_Y1CMDELE,_YCMDELE,_Y1CMDELE,_Y2!以下建立接触对。/COM,CONTACTPAIRCREATION–START!建立上管道与螺栓接触对开始。CM,_NODECM,NODECM,_ELEMCM,ELEMCM,_KPCM,KPCM,_LINECM,LINECM,_AREACM,AREACM,_VOLUCM,VOLU/GSAV,cwz,gsav,,tempMP,MU,1,MAT,1MP,EMIS,1,7.88860905221e-031R,3REAL,3ET,2,170ET,3,174R,3,,,1.0,0.1
8、,0,RMORE,,,1.0E20,0.0,1.0,RMORE,0.0,0,1.0,,1.0,0.5RMORE,0,1.0,1.0,0.0,,1.0K
