隧道开挖后最大位移在被开挖的区域。
各位老师，请问为什么我隧道开挖后查看水平位移发现，最大值居然在隧洞被开挖的土体之中，请问这是什么原因造成的？ 这个是INP*Surface, type=ELEMENT, name=PRESURE
_PRESURE_S2_2, S2
_PRESURE_S6_2, S6
*Elset, elset=MAOGANAREA, instance=PART-1-1
TUTI,STRENGTHEN2
** Constraint: Embed-1
*Embedded Element, host elset=MAOGANAREA
mg2up,mg2mid,mg2down
*End Assembly
**
** MATERIALS
**
** MATERIALS
*Material, name=BOLT
*Density
7900.,
*Elastic
2.1e+11, 0.2
*Material, name=CONC
*Density
2500,
*Elastic
2.1e+10, 0.2,
*Mohr Coulomb
26.5, 12.5
*Mohr Coulomb Hardening
2.4e+06,0
*Material, name=ROCK
*Density
1350.,
*Elastic
2.55e+08, 0.3
*Mohr Coulomb
26.5, 12.5
*Mohr Coulomb Hardening
2.4e+06,0.
*Material, name=STRENGTHEN
*Density, dependencies=1
1350., ,1.
1350., ,2.
*Elastic, dependencies=1
2.55e+08, 0.3, ,1.
2.1e+09, 0.3, ,2.
*Mohr Coulomb, dependencies=1
26.5, 12.5, , 1.
26.5, 12.5, , 2.
*Mohr Coulomb Hardening, dependencies=1
2.4e+06,0., ,1.
2.4e+06,0., ,2.
**
** BOUNDARY CONDITIONS
**
** Name: Disp-BC-1 Type: Displacement/Rotation
*Boundary
BC_X, 1, 1
** Name: Disp-BC-2 Type: Displacement/Rotation
*Boundary
BC_Y, 2, 2
** Name: Disp-BC-3 Type: Displacement/Rotation
*Boundary
BC_Z, 3, 3
*initial conditions,type=field,variable=1
*initial conditions,type=stress,input=ints.txt
** ----------------------------------------------------------------
**
** STEP: ints
**
*Step, name=ints, UNSYMM=YES
*Static
1., 1., 1e-05, 1.
*field,variable=1
strengthen2node,1
**
** LOADS
**
** Name: GRAVITY-1 Type: Gravity
*Dload
TUTI, GRAV, 9.81, 0., 0., -1.
** Name: GRAVITY-2 Type: Gravity
*Dload
CQ2UP, GRAV, 9.81, 0., 0., -1.
** Name: GRAVITY-3 Type: Gravity
*Dload
CQ2DOWN, GRAV, 9.81, 0., 0., -1.
** Name: GRAVITY-4 Type: Gravity
*Dload
CQ2MID, GRAV, 9.81, 0., 0., -1.
** Name: GRAVITY-5 Type: Gravity
*Dload
STRENGTHEN2, GRAV, 9.81, 0., 0., -1.
** Name: GRAVITY-6 Type: Gravity
*Dload
UP, GRAV, 9.81, 0., 0., -1.
** Name: GRAVITY-7 Type: Gravity
*Dload
MID, GRAV, 9.81, 0., 0., -1.
** Name: GRAVITY-8 Type: Gravity
*Dload
DOWN, GRAV, 9.81, 0., 0., -1.
** Name: SURFFORCE-1 Type: Pressure
*Dsload
PRESURE, P, 884250.
**
** INTERACTIONS
**
** Interaction: Model_Change-2
*Model Change, TYPE=ELEMENT,remove
mg2up,mg2mid,mg2down
*Model Change, TYPE=ELEMENT,remove
CQ2UPNEW,CQ2midNEW,CQ2downNEW
**
** OUTPUT REQUESTS
**
*Restart, write, frequency=0
**
** FIELD OUTPUT: F-Output-1
**
*Output, field, variable=PRESELECT
**
** HISTORY OUTPUT: H-Output-1
**
*Output, history, variable=PRESELECT
*End Step
** ----------------------------------------------------------------
** STEP: CHAOQIAN2
**
*Step, name=CHAOQIAN2, UNSYMM=YES
*Static
1., 1., 1e-05, 1.
*field,variable=1
strengthen2node,2
**
**
** INTERACTIONS
**
** Interaction: Model_Change-1
**
** OUTPUT REQUESTS
**
*Restart, write, frequency=0
**
** FIELD OUTPUT: F-Output-1
**
*Output, field, variable=PRESELECT
**
** HISTORY OUTPUT: H-Output-1
**
*Output, history, variable=PRESELECT
*End Step
** ----------------------------------------------------------------
** STEP: KW2UP
**
*Step, name=KW2UP, UNSYMM=YES
*Static
1., 1., 1e-05, 1.
*field,variable=1
strengthen2node,2
**
**
** INTERACTIONS
**
** Interaction: Model_Change-1
*Model Change, TYPE=ELEMENT,remove
CQ2UP
*Model Change, TYPE=ELEMENT,remove
UP
**
** OUTPUT REQUESTS
**
*Restart, write, frequency=0
**
** FIELD OUTPUT: F-Output-1
**
*Output, field, variable=PRESELECT
**
** HISTORY OUTPUT: H-Output-1
**
*Output, history, variable=PRESELECT
*End Step
** ----------------------------------------------------------------
** STEP: cq2UP
**
*Step, name=cq2UP, UNSYMM=YES
*Static
1., 1., 1e-05, 1.
*field,variable=1
strengthen2node,2
**
**
** INTERACTIONS
**
** Interaction: Model_Change-1
*Model Change, TYPE=ELEMENT,add
CQ2UPnew
**
** OUTPUT REQUESTS
**
*Restart, write, frequency=0
**
** FIELD OUTPUT: F-Output-1
**
*Output, field, variable=PRESELECT
**
** HISTORY OUTPUT: H-Output-1
**
*Output, history, variable=PRESELECT
*End Step
** ----------------------------------------------------------------
** STEP: KW2mid
**
*Step, name=KW2mid, UNSYMM=YES
*Static
1., 1., 1e-05, 1.
*field,variable=1
strengthen2node,2
**
**
** INTERACTIONS
**
** Interaction: Model_Change-1
*Model Change, TYPE=ELEMENT,remove
CQ2mid
*Model Change, TYPE=ELEMENT,remove
mid
**
** OUTPUT REQUESTS
**
*Restart, write, frequency=0
**
** FIELD OUTPUT: F-Output-1
**
*Output, field, variable=PRESELECT
**
** HISTORY OUTPUT: H-Output-1
**
*Output, history, variable=PRESELECT
*End Step
** ----------------------------------------------------------------
** STEP: cq2mid
**
*Step, name=cq2mid, UNSYMM=YES
*Static
1., 1., 1e-05, 1.
*field,variable=1
strengthen2node,2
**
**
** INTERACTIONS
**
** Interaction: Model_Change-1
*Model Change, TYPE=ELEMENT,add
CQ2midnew
**
** OUTPUT REQUESTS
**
*Restart, write, frequency=0
**
** FIELD OUTPUT: F-Output-1
**
*Output, field, variable=PRESELECT
**
** HISTORY OUTPUT: H-Output-1
**
*Output, history, variable=PRESELECT
*End Step
** ----------------------------------------------------------------
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