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[接触分析] 求助!有压引水隧洞衬砌计算中加载内水荷载问题

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发表于 2013-9-4 15:40:30 | 显示全部楼层 |阅读模式 来自 吉林长春
新手使用ansys模拟有压引水隧洞,二次衬砌采用的是梁单元,加载内水荷载后,输出的轴力弯矩值过大,整不明白了。求大神指点!

/BATCH  
/input,menust,tmp,'',,,,,,,,,,,,,,,,1   
WPSTYLE,,,,,,,,0
/NOPR   
/PMETH,OFF,0
KEYW,PR_SET,1   
KEYW,PR_STRUC,1
KEYW,PR_THERM,0
KEYW,PR_FLUID,0
KEYW,PR_ELMAG,0
KEYW,MAGNOD,0   
KEYW,MAGEDG,0   
KEYW,MAGHFE,0   
KEYW,MAGELC,0   
KEYW,PR_MULTI,0
KEYW,PR_CFD,0   
/GO
/PREP7  
ET,1,PLANE42
ET,2,BEAM3  
MPTEMP,,,,,,,,  
MPTEMP,1,0  
MPDATA,EX,1,,0.65e10
MPDATA,PRXY,1,,0.26
MPTEMP,,,,,,,,  
MPTEMP,1,0  
MPDATA,DENS,1,,2680
TB,DP,1,,,  
TBMODIF,1,1,1.4e6   
TBMODIF,1,2,48  
TBMODIF,1,3,
MPTEMP,,,,,,,,  
MPTEMP,1,0  
MPDATA,EX,2,,1.3e10
MPDATA,PRXY,2,,0.25
TB,DP,2,,,  
TBMODIF,1,1,2.8e6   
TBMODIF,1,2,50  
TBMODIF,1,3,
MPTEMP,,,,,,,,  
MPTEMP,1,0  
MPDATA,DENS,2,,2700
MPTEMP,,,,,,,,  
MPTEMP,1,0  
MPDATA,EX,3,,2.25e10
MPDATA,PRXY,3,,0.167
MPTEMP,,,,,,,,  
MPTEMP,1,0  
MPDATA,DENS,3,,2500
MPTEMP,,,,,,,,  
MPTEMP,1,0  
MPDATA,EX,4,,2.8e10
MPDATA,PRXY,4,,0.2  
MPTEMP,,,,,,,,  
MPTEMP,1,0  
MPDATA,DENS,4,,2500
R,1,0.5,0.01,0.5, , , ,
K,1,135,135,,   
K,2,-135,135,,  
K,3,-135,-135,,
K,4,135,-135,,  
K,5,0,-135,,
K,6,0,135,,
K,7,135,0,,
K,8,-135,0,,
K,8,-135,0,,
LSTR,       2,       8  
LSTR,       8,       3  
LSTR,       3,       5  
LSTR,       5,       4  
LSTR,       4,       7  
LSTR,       7,       1  
LSTR,       1,       6  
LSTR,       6,       2  
FLST,2,8,4  
FITEM,2,1   
FITEM,2,8   
FITEM,2,7   
FITEM,2,6   
FITEM,2,5   
FITEM,2,4   
FITEM,2,3   
FITEM,2,2   
AL,P51X
CYL4, , ,3.9
CYL4, , ,4.06   
CYL4, , ,6.56   
KL,18,2/3, ,
KL,14,2/3, ,
KL,17,1/3, ,
KL,13,1/3, ,
LSTR,      21,      22  
LSTR,      23,      24  
NUMMRG,ALL, , , ,LOW
NUMMRG,ALL, , , ,LOW
FLST,2,4,5,ORDE,2   
FITEM,2,1   
FITEM,2,-4  
AOVLAP,P51X
LSTR,       8,       7  
LSTR,       6,       5  
FLST,2,4,5,ORDE,3   
FITEM,2,2   
FITEM,2,5   
FITEM,2,-7  
FLST,3,24,4,ORDE,2  
FITEM,3,1   
FITEM,3,-24
ASBL,P51X,P51X  
NUMMRG,ALL, , , ,LOW
NUMMRG,ALL, , , ,LOW
NUMCMP,ALL  
NUMCMP,ALL  
FLST,5,8,5,ORDE,4   
FITEM,5,1   
FITEM,5,-6  
FITEM,5,15  
FITEM,5,-16
ASEL,S, , ,P51X
CM,kaiwa,AREA   
CM,kaiwa,AREA   
ALLSEL,ALL  
FLST,5,4,5,ORDE,4   
FITEM,5,5   
FITEM,5,-6  
FITEM,5,15  
FITEM,5,-16
ASEL,S, , ,P51X
CM,chenqi1,AREA
CM,chenqi1,AREA
ALLSEL,ALL  
FLST,5,2,5,ORDE,2   
FITEM,5,9   
FITEM,5,12  
ASEL,S, , ,P51X
CM,weiyan2,AREA
CM,weiyan2,AREA
ALLSEL,ALL  
FLST,5,8,5,ORDE,8   
FITEM,5,7   
FITEM,5,-8  
FITEM,5,10  
FITEM,5,-11
FITEM,5,13  
FITEM,5,-14
FITEM,5,17  
FITEM,5,-18
ASEL,S, , ,P51X
CM,weiyan1,AREA
CM,weiyan1,AREA
ALLSEL,ALL  
AATT,       1,       1,   1,       0,   
AATT,       1,       1,   1,       0,   
FLST,5,12,4,ORDE,4  
FITEM,5,9   
FITEM,5,-16
FITEM,5,19  
FITEM,5,-22
CM,_Y,LINE  
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,,_Y   
LESIZE,_Y1, , ,12, , , , ,1
FLST,5,4,4,ORDE,4   
FITEM,5,30  
FITEM,5,-31
FITEM,5,36  
FITEM,5,-37
CM,_Y,LINE  
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,,_Y   
LESIZE,_Y1, , ,8, , , , ,1  
FLST,5,4,4,ORDE,2   
FITEM,5,32  
FITEM,5,-35
CM,_Y,LINE  
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,,_Y   
LESIZE,_Y1, , ,4, , , , ,1  
FLST,5,6,4,ORDE,4   
FITEM,5,17  
FITEM,5,-18
FITEM,5,26  
FITEM,5,-29
CM,_Y,LINE  
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,,_Y   
LESIZE,_Y1, , ,6, , , , ,1  
FLST,5,4,4,ORDE,3   
FITEM,5,23  
FITEM,5,-25
FITEM,5,41  
CM,_Y,LINE  
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,,_Y   
LESIZE,_Y1, , ,1, , , , ,1  
FLST,5,8,4,ORDE,2   
FITEM,5,1   
FITEM,5,-8  
CM,_Y,LINE  
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,,_Y   
LESIZE,_Y1, , ,6, , , , ,1  
FLST,5,4,4,ORDE,3   
FITEM,5,38  
FITEM,5,-40
FITEM,5,42  
CM,_Y,LINE  
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,,_Y   
LESIZE,_Y1, , ,25,0.3, , , ,1   
MSHAPE,0,2D
MSHKEY,0
FLST,5,12,5,ORDE,2  
FITEM,5,1   
FITEM,5,-12
CM,_Y,AREA  
ASEL, , , ,P51X
CM,_Y1,AREA
CHKMSH,'AREA'   
CMSEL,S,_Y  
AMESH,_Y1   
CMDELE,_Y   
CMDELE,_Y1  
CMDELE,_Y2  
CMSEL,S,CHENQI1
CM,_Y,AREA  
ASEL, , , ,      16
CM,_Y1,AREA
CHKMSH,'AREA'   
CMSEL,S,_Y  
AMESH,_Y1   
CMDELE,_Y   
CMDELE,_Y1  
CMDELE,_Y2  
CM,_Y,AREA  
ASEL, , , ,      15
CM,_Y1,AREA
CHKMSH,'AREA'   
CMSEL,S,_Y  
AMESH,_Y1   
CMDELE,_Y   
CMDELE,_Y1  
CMDELE,_Y2  
ALLSEL,ALL  
MSHKEY,1
AMAP,17,6,8,19,18   
AMAP,18,6,18,17,7   
AMAP,13,8,5,20,19   
AMAP,14,17,20,5,7   
FLST,5,4,4,ORDE,2   
FITEM,5,9   
FITEM,5,-12
CM,_Y,LINE  
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,S,_Y  
CMSEL,S,_Y1
LATT,4,1,2, , , ,   
CMSEL,S,_Y  
CMDELE,_Y   
CMDELE,_Y1  
LSEL,S,TYPE,,2  
FLST,5,4,4,ORDE,2   
FITEM,5,9   
FITEM,5,-12
CM,_Y,LINE  
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,,_Y   
LESIZE,_Y1, , ,12, , , , ,1
FLST,2,4,4,ORDE,2   
FITEM,2,9   
FITEM,2,-12
LMESH,P51X  
esel,s,type,,2  
FINISH  
/SOL
NLGEOM,0
NROPT,FULL, ,   
LUMPM,0
EQSLV, , ,0,
PRECISION,0
MSAVE,0
PIVCHECK,1  
SSTIF   
PSTRES  
TOFFST,0,   
ekill,all   
ALLSEL,ALL  
FLST,2,26,1,ORDE,11
FITEM,2,795
FITEM,2,801
FITEM,2,-806
FITEM,2,1119
FITEM,2,1144
FITEM,2,-1149   
FITEM,2,1419
FITEM,2,-1424   
FITEM,2,1719
FITEM,2,1725
FITEM,2,-1729   
D,P51X, , , , , ,UX, , , , ,
FLST,2,13,1,ORDE,5  
FITEM,2,1419
FITEM,2,1425
FITEM,2,-1430   
FITEM,2,1719
FITEM,2,-1724   
D,P51X, , , , , ,UY, , , , ,
ACEL,0,9.8,0,   
NSUBST,1,1,1
TIME,1  
ALLSEL,ALL  
SOLVE   
TIME,2  
CMSEL,S,KAIWA   
ESLA,S  
ekill,all   
ALLSEL,ALL  
SOLVE   
TIME,3  
CMSEL,S,WEIYAN2
ESLA,S  
MPCHG,2,all,
MPCHG,2,all,
CMSEL,S,CHENQI1
ESLA,S  
ealive,all  
MPCHG,3,all,
MPCHG,3,all,
ALLSEL,ALL  
SOLVE   
TIME,4  
esel,s,type,,2  
ealive,all  
ALLSEL,ALL  
SOLVE   
TIME,5  
allsel,all
esel,s,type,,2  
FLST,2,48,2,ORDE,2  
FITEM,2,1969
FITEM,2,-2016   
SFBEAM,P51X,1,PRES,4e5, , , , , ,   
ALLSEL,ALL  
SOLVE   
FINISH  
/POST1
etable,,smisc,6
etable,,smisc,12
etable,,smisc,1
etable,,smisc,7  

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