ANSYS钢筋混凝土压力管道作业Word文件下载.docx
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计算过程分为两个工况：
1）完建期2）运行期
其对应的荷载分别为：
1）完建期=自重
2）运行期=自重+内水压力
分别计算分析该模型在对应荷载作用下的变形及受力特点。
其中材料特性单位局采用标准单位。
即：
长度：
m；
弹性模量E:
Mpa；
密度ρ：
；
水的容重
：
取为0.0098。
由于压力水头为50m，故内水压力p=
对于该问题边界约束施加为：
X向左右两侧UX向约束；
Y向模型底部全约束；
下面为模型建立及计算的APDL命令流:
/BATCH
/PREP7
!
模型建立部分
关键点坐标
k,,0,0,0
k,,25,0,0
k,,25,15.07,0
k,,0,15.07,0
k,,4.3,8.6,0
k,,20.7,8.6,0
k,,20.7,16.8,0
k,,4.3,16.8,0
k,,12.5,16.8,0
生成线，面
LSTR,4,1
LSTR,1,2
LSTR,2,3
LSTR,3,4
LSTR,5,6
LSTR,6,7
LSTR,7,8
LSTR,8,5
FLST,2,4,4
FITEM,2,1
FITEM,2,2
FITEM,2,3
FITEM,2,4
AL,P51X
FITEM,2,8
FITEM,2,5
FITEM,2,6
FITEM,2,7
AL,P51X
CYL4,12.5,16.8,8.2
ASBL,3,7
ADELE,5,,,1
CYL4,12.5,16.8,6.2
FLST,2,3,5,ORDE,2
FITEM,2,-4
APTN,P51X
FLST,2,2,5,ORDE,2
FITEM,2,-6
ADELE,P51X,,,1
FLST,3,2,4,ORDE,2
FITEM,3,14
FITEM,3,-15
ASBL,1,P51X
ADELE,2,,,1
ALLSEL,ALL
FLST,2,3,5,ORDE,3
FITEM,2,-8
AOVLAP,P51X
WPSTYLE,,,,,,,,1
KWPAVE,5
wpro,,-90.000000,
ASBW,5
KWPAVE,16
wpro,,,90.000000
ASBW,P51X
ASBW,11
KWPAVE,6
ASBW,13
LSTR,9,5
LSTR,9,6
LPLOT
FITEM,2,10
FITEM,2,12
FITEM,3,33
FITEM,3,37
ASBL,P51X,P51X
NUMMRG,ALL,,,,LOW
指定单元类型
ET,1,PLANE42
ET,2,SHELL63
R,1,0.03,0.03,0.03,0.03,,,
ET,3,SOLID45
网格划分部分
划分网格
TYPE,1
MAT,
REAL,1
ESYS,0
SECNUM,
FLST,5,5,4,ORDE,5
FITEM,5,1
FITEM,5,18
FITEM,5,20
FITEM,5,-21
FITEM,5,24
CM,_Y,LINE
LSEL,,,,P51X
CM,_Y1,LINE
CMSEL,,_Y
LESIZE,_Y1,,,4,,,,,0
FLST,5,3,4,ORDE,3
FITEM,5,29
FITEM,5,38
FITEM,5,40
LESIZE,_Y1,,,6,,,,,0
FLST,5,4,4,ORDE,4
FITEM,5,11
FITEM,5,-12
FITEM,5,17
FITEM,5,19
LESIZE,_Y1,,,12,,,,,0
FLST,5,8,4,ORDE,7
FITEM,5,3
FITEM,5,25
FITEM,5,-26
FITEM,5,32
FITEM,5,39
FITEM,5,41
FITEM,5,-43
LESIZE,_Y1,,,8,,,,,0
FITEM,5,8
FITEM,5,14
FITEM,5,27
FITEM,5,-28
FITEM,5,2
FITEM,5,15
FITEM,5,-16
FITEM,5,31
FITEM,5,35
LESIZE,_Y1,,,8,0.25,,,,0
LESIZE,_Y1,,,8,4,,,,0
MSHAPE,0,2D
MSHKEY,1
FLST,5,14,5,ORDE,5
FITEM,5,-9
FITEM,5,13
CM,_Y,AREA
ASEL,,,,P51X
CM,_Y1,AREA
CHKMSH,'
AREA'
CMSEL,S,_Y
AMESH,_Y1
CMDELE,_Y
CMDELE,_Y1
CMDELE,_Y2
沿Z方向拖拉形成体
VEXT,ALL,,,0,0,40,,,,
TYPE,3
VSWEEP,ALL
ALLSEL,ALL
清除多余的面网格
ACLEAR,ALL
划分壳单元网格
FLST,5,8,5,ORDE,8
FITEM,5,23
FITEM,5,53
FITEM,5,59
FITEM,5,62
FITEM,5,65
FITEM,5,67
ASEL,S,,,P51X
形成钢管，外包，坝体组建，及N_UX，N_UY，N_UZ组建
TYPE,2
AMESH,ALL
CM,A_gangguan,AREA
FLST,5,4,6,ORDE,4
FITEM,5,-2
FITEM,5,5
FITEM,5,9
VSEL,S,,,P51X
CM,V_WAIBU,VOLU
FLST,5,10,6,ORDE,6
FITEM,5,-4
FITEM,5,6
FITEM,5,-8
FITEM,5,10
FITEM,5,-14
VPLOT
CM,V_BATI,VOLU
NSEL,S,LOC,X,0
NSEL,A,LOC,X,25
CM,N_UX,NODE
NSEL,S,LOC,Y,0
CM,N_UY,NODE
NSEL,S,LOC,Z,0
NSEL,A,LOC,Z,40
CM,N_UZ,NODE
NUMCMP,ALL
定义材料属性
MP,EX,1,210000
MP,PRXY,1,0.3
MP,DENS,1,0.0078
MP,EX,2,25500
MP,PRXY,2,0.167
MP,DENS,2,0.0025
MP,EX,3,20000
MP,PRXY,3,0.167
MP,DENS,3,0.0024
将材料赋给指定单元
CMSEL,S,A_GANGGUAN
ESLV,S
EMODIF,ALL,MAT,1
CMSEL,S,V_WAIBU
EMODIF,ALL,MAT,2
CMSEL,S,V_BATI
EMODIF,ALL,MAT,3
/PNUM,MAT,1
/REPLOT
施加约束
D,N_UX,UX
D,N_UY,all
TIME1施加重力荷载
FINISH
/SOL
ACEL,0,9.8,0,
/STA
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