工程问题：免扩孔径向水平井钻管转向弯曲模拟
板 块：ANSYS
工程问题描述：在免扩孔径向水平井钻井过程中，钻管在转向器滑道内由垂直到水平转向过程中，钻管穿出滑道过程中受力及截面变形规律模拟。
命令流：
/COM, Structural
/PREP7
ET,1,SOLID95
!**多线性miso模型**
MP,EX,1,2.1E11
TB,MISO,1,1,2
TBPT,DEFI,0.00164285714,345E6
/XRANGE,0,0.3
TBPLOT,miso,1
!**建模**
!**扫描轨迹的建立**
设计轨道关键点坐标
K,1,0,0,0,
K,2,0.1,-0.1,0,
K,3,0.107,-0.09975,0,
K,4,0.11078,-0.09956,0,
K,5,0.1145,-0.09949,0,
K,6,0.156,-0.09949,0,
LARC,1,3,2
LARC,3,5,4,0.10714
LSTR, 5, 6
LSEL,S,,,1,3,1
LCOMB,ALL,,0
ALLSEL,ALL
!**生成滑道模型**
K,7,-0.00574,0,-0.00819,
K,8,-0.01,0,0,
K,9,- 0.00574,0, 0.00819,
K,10, 0.00574,0,- 0.00819,
K,11,0.01,0,0,
K,12, 0.00574,0, 0.00819,
K,13,-0.00373,0,-0.00532,
K,14,-0.00521,0,-0.00388,
K,15,-0.00617,0,-0.00205,
K,16,-0.0065,0,0,
K,17,- 0.00617,0, 0.00205,
K,18,-0.00521,0, 0.00388,
K,19,- 0.00373,0, 0.00532,
K,20, 0.00373,0,-0.00532,
K,21, 0.00521,0,-0.00388,
K,22, 0.00617,0,-0.00205,
K,23, 0.0065,0,0,
K,24, 0.00617,0, 0.00205,
K,25, 0.00521,0, 0.00388,
K,26, 0.00373,0, 0.00532,
LARC,7,9,8
LARC,10,12,11
LSTR, 7, 13
LSTR, 13, 14
LSTR, 14, 15
LSTR, 15, 16
LSTR, 16, 17
LSTR, 17, 18
LSTR, 18, 19
LSTR, 19, 9
LSTR, 10, 20
LSTR, 20, 21
LSTR, 21, 22
LSTR, 22, 23
LSTR, 23, 24
LSTR, 24, 25
LSTR, 25, 26
LSTR, 26, 12
LSEL,S,,,2
LSEL,A,,,4,11,1
AL,ALL
ALLSEL,ALL
LSEL,S,,,3
LSEL,A,,,12,19,1
AL,ALL
ALLSEL,ALL
VDRAG,ALL, , , , , ,1
!**生成钻杆模型**
K,45,0,0.1,,
wpro,,,-55.000000
BLC4,0.0045,0,0.0015,0.50
wpro,,,110.000000
BLC4,0.0045,0,0.0015,0.50
wpro,,,70.000000
BLC4,0.0045,0,0.0015,0.50
wpro,,,110.000000
BLC4,0.0045,0,0.0015,0.50
wpro,,,125.000000
VROTAT,26, , , , , ,,45,70,1,
VROTAT,25, , , , , ,,45,110,1,
VROTAT,23, , , , , ,,45,110,1,
VROTAT,24, , , , , ,,45,70,1,
VSEL,S,,,3,6,1
VGLUE,ALL
ALLSEL,ALL
!**划分网格**
LSEL,S,,,78,79,1
LSEL,A,,,110,111,1
LESIZE,ALL, , ,3, , , , ,1
ALLSEL,ALL
LSEL,S,,,106,107,1
LSEL,A,,,114,115,1
LESIZE,ALL, , ,4, , , , ,1
ALLSEL,ALL
ALLSEL,ALL
LSEL,S,,,69
LESIZE,ALL, , ,70, , , , ,1
ALLSEL,ALL
VSEL,S,,,3
VSEL,A,,,7,9,1
VSWEEP,ALL
ALLSEL,ALL
ESIZE,0.007,0,
MSHAPE,0,3D
MSHKEY,1
VATT,1, ,1,0
VSEL,S,,,1,2
VSWEEP,ALL
ALLSEL,ALL
!**接触分析**
ET,2,TARGE170
ET,3,CONTA174
MP,MU,1,0.01
MAT,1
R,3
REAL,3
KEYOPT,3,9,0
R,3,
RMORE,
RMORE,,0
ASEL,S,,,5,10,1
CM,TARGE,AREA
TYPE,2
R,3
NSLA,S,1
ESLN,S,0
ESURF,ALL
ALLSEL,ALL
ASEL,S,,,48
CM,CONTACT,AREA
TYPE,3
REAL,3
NSLA,S,1
ESLN,S,0
ESURF,ALL
ALLSEL,ALL
!**接触对2**
MP,MU,1,0.01
MAT,1
R,4
REAL,4
ET,4,TARGE170
ET,5,CONTA174
KEYOPT,5,9,0
R,4,
RMORE,
RMORE,,0
ASEL,S,,,15,20,1
CM,TARGET,AREA
TYPE,4
R,4
NSLA,S,1
ESLN,S,0
ESURF,ALL
ALLSEL,ALL
ASEL,S,,,56
CM,_CONTACT,AREA
TYPE,5
REAL,4
NSLA,S,1
ESLN,S,0
ESURF,ALL
ALLSEL
/COM, CONTACT PAIR PROPERTIES - START
RMODIF,3,3,0.01
RMODIF,3,4,0.6
RMODIF,3,21,
RMODIF,3,22,
KEYOPT,3,5,3
KEYOPT,3,7,2
/COM, CONTACT PAIR PROPERTIES - END
/COM, CONTACT PAIR PROPERTIES - START
RMODIF,4,3,0.01
RMODIF,4,4,0.6
RMODIF,4,21,
RMODIF,4,22,
KEYOPT,5,5,3
KEYOPT,5,7,2
/COM, CONTACT PAIR PROPERTIES - END
!**施加约束**
ASEL,S,,,29,49,20
ASEL,A,,,53,57,4
NSLA,S,1
CP,1,UY,ALL
ALLSEL,ALL
ASEL,S,,,29,49,20
ASEL,A,,,53,57,4
DA,ALL,UY,-0.50
ALLSEL,ALL
LSEL,S,,,78
LSEL,A,,,106
LSEL,A,,,110
LSEL,A,,,114
DL,ALL, ,UX,0
DL,ALL, ,UZ,0
ALLSEL,ALL
VSEL,S,,,1,2,1
NSLV,S,1
D,ALL, ,0, , , ,ALL, , , , ,
ALLSEL,ALL
ASEL,S,,,27
ASEL,A,,,47
ASEL,A,,,51
ASEL,A,,,55
SFA,ALL,1,PRES,5.7e6
ALLSEL,ALL
ASEL,S,,,30
ASEL,A,,,50
ASEL,A,,,54
ASEL,A,,,58
SFA,ALL,1,PRES,40e6
ALLSEL,ALL
FINISH
!**求解选项**
/SOLU
ANTYPE,0
NLGEOM,1
TIME,1
NSUBST,1000,1400,800
OUTRES,ALL,5
AUTOTS,1
EQSLV,SPARSE
模拟实例：