接触问题（参考ansys的中文帮助文件）oss.jishulink.com/caenet/forums/upload/2… ·...
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ANSYS
ANSYS
1
2
3
lagrange
lagrangelagrange
FKNFKN0.1~101.00.1
FTOLNh0.1
ICONTICONTANSYS0.03
PINBpinballpinballPINB
PMINPMAXANSYSPMINPMAXANSYS20PMINPMAX
TAUMAXTAUMAX
CNOF+CNOF-CNOFCNOF
FKOPFKOPFKOPFKOP1.01e-5
FKTFKT0.01*FKNANSYS
COHE
FACTDC
MUMUK*1+FACT-1EXPDC*vtfs/deltaT
MUK
FACTMUS/MUK
MUS
DC
Vtfs/deltaT
MUMPGUIFACT1MUSMUK0DC0
KeyoptTarget170,Conta173
170Keyopt
KEYOPT3
KEYOPT1
KEYOPT10
KEYOPT11
KEYOPT2
0
1
Conta173Keyopt
KEYOPT10UXUYUZ12TEMP
KEYOPT201
KEYOPT401ANSYS
KEYOPT5CNOFANSYSCNOF0123/
KEYOPT7Solution ControlSolution>Unabridged Menu>Load Step Opts>Solution Ctrl
0
1
2
3
KEYOPT801
KEYOPT90/CNOF1/CNOF2/CNOF3/CNOF4/CNOF
KEYOPT1001FKNFKT21
KEYOPT11
01
SHELL181
KEYOPT12
00
1
2
3
4pinball
5pinball
6
5.1
--( NLGEOM off)ANSYS Modeling and Meshing Guide12Coupling and Constraint Equations
5.1.1
ANSYSANSYS/LS-DYNA-ANSYS/LS-DYNAANSYS/LS-DYNA User"s Guide
5.2
()()
5.3 ANSYS
ANSYS
ANSYSANSYSANSYS Elements ReferenceANSYS Theory Reference
5-1 ANSYS
-
-
-
CONTAC 12
CONTAC
52
CONTA
178
CONTAC
26
CONTAC
48
CONTAC
49
CONTAC171,172 TARGET 169
CONTAC 173, 174 TARGET 170
-
Y
Y
Y
-
Y
Y
Y
-
Y
Y
Y
2-D
Y
Y
Y
Y
Y
Y
3-D
Y
Y
Y
Y
Y
Y
Y
Y
Lagrange
Y
Lagrange
Y
Y
Y
Y
Y
EINTF
EINTF
None
GCGEN
GCGEN
ESURF
ESURF
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
-
Y
Y
Y
Y
Y
Y
Y
Y
-
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
5.3.1
ANSYS
TARGE169TARGE1702D3D
CONTA171CONTA172CONTA173CONTA174
5.4
-:
()
CPU
()
-
2D3D()()5.4
-------
ANSYS
5.3.2
()
CONTACT48 CONTACT4922-
CONTACT26 CONTACT26 CONTACT48 (ANSYS Theory Reference)
5.3.3
()
()
ANSYS CONTA178 -CONTAC12 CONTAC52
5.4
--(Preprocessor>Create>Contact Pair>Contact Wizard)HELP
-()-()
5.4.1 -
TARGE169CONTA171(CONTA172)2-DTARGE170CONTA173(CONTA174)3-D
5.4.2
1
2
3
4
5
6
7(-)
8
9
10
11
5.4.3
ANSYS Modeling and Meshing Guide
AMESH
VMESH
GUIMain Menu>Preprocessor>Mesh
5.4.4
(CPU)
5-1
() 5-1
5.4.5
--
/
()
5.4.6
-()()
CPU--
5.4.7
2D3D ESURF (5.4.8)ARC, CARC, CIRC, CYL1, CONE, SPHE PILO
2D TARGE169 3D TAPGE170 /
5.4.7.1
(pilot)//ANSYS
--
5.4.7.2
()
5.4.7.3
(2TARGE1693TARGE170)
ET
GUImain menu>preprocessor>Element Type> Add/Edit/Delete
Real
GUImain menn>preprocessor>real constants
TARGE169 TARGE170 R1R2()ANSYS Elements ReferenceTARGE169TARGE170
--R1R2ANSYS
5.4.7.4
TSHAP
GUImain menu>preprocessor>modeling-create>Elements>Elem Attributes
(2D)
(2-D)
(2-D)
(2-D)
(2-D)
(3-D)
(3-D)
(3-D)
(3-D)
(2-D3-D)
--2D3D
--ANSYS
ANSYSANSYS Modeling and Meshing Guide9
N
E
GUImain menu>preprocessor> modeling- create>nodes
main menu>preprocessor> modeling- create>Elements
ELIST
GUIutility menu>list>Elements>Nodes+Attributes
5.4.7.5 ANSYS
ANSYSANSYS TSHAP
(Pilot)GUI
KMESH
GUImain menu>preprocessor>meshing-mesh>keypoints
KMESH
2DGUIANSYSB- 5-2 ANSYS 5-3 (IGES)ANSYS
LMESH
GUImain menu>preprocessor>meshing-mesh>lines
5-2 ANSYS
5-3
3DGUI
AMESH
GUImain menu>preprocessor>-meshing-mesh>Areas
ANSYS AMESH 3D AMESH
TAREG169 LESIZE MSHAPE ,1 5-4
GUI
MSHKFY 2
GUImain menu>preprocessor>-meshing-mesh>-Areas-Target Surf
5-4
()(34)(68)KEYOPT(1)=1
--CPUCPU
--( KMESH LMESHESURF ) TSHAP ANSYS
5.4.7.5.1
() 5-5
5-5
5.4.7.5.2 ()
2D 5-6
5-6
3D
/ PSYMB ESYS1
GUIUtility menu>PlotCtrls>symbols
ESURF ,,REVE
GUImain menu>preprocossor>create>Elements>Surf to Surf
ENORM
GUIMain Menu>Preprocessor>Create>Move/Modify>Shell Normals
--()
5.4.8
2D CONFA171 CONFA172 3D CONTA173 CONTA174
()2D
()
5.4.8.1
ANSYS Elements Reference
CONTA1712D22D( BEAM3PLANE42 SHELL51)
CONTA1722D32D( PLANE82 VISCO88)
CONTA1733D43D( SOLID45 SHELL181)3
CONTA1743D83D( SOLID92SOLID95 SHELL93)6
ET
GUImain menu>preprocessor>Element type>Add/Edit/Delete
5.4.8.2
ANSYS () TB ()100ANSYS () MU
5.4.8.3
NSEL
GUIUtility Menu>Select>Entities
2
ESURF
GUIMain Menu>Preprocessor>Create>Elements>Surf to Surf
()
ESURF ,,TOP ( BOTIOM)
GUIMain Menu>Preprocessor>Create>Elements>Surf to Surf
TOP() BOTIOM TOP BOTTOM
33D 5-7
/ PSYMB ,ESYS
GUIUtility menu>plotctrls>symbols
5-7
ESURF ,,REVE
GUIMain Menu>Preprocessor>Create>Elements>Surf to Surf
ENORM
GUIMain Menu>Preprocessor>Create>Move/Modify>Shell Normals
5.4.9
20ANSYS Elements Reference
5.4.9.1
20(R1R2)
R1R2
FKN
FTOLN
ICONT
PINB Pinball"
PMINPMAX
TAUMAR
CNOF
FKOP
FKT
COHE
TCC
FHTG
SBCT Stefan-Boltzman
RDVF
FWGT
FACT
DC
R
GUImain menu> preprocessor>real constant
FKN, FTOLN, ICONT, PINB, PMAX, PMIN, FKOP FKTICONFTOLNPINBPMAX PMIN ICON = 0.1 0.1*ICON = -0.1 0.1 5-8
5-8
ICONT, FTOLN, PINB, PMAX, PMIN
TCC, FHTG, SBCT, RDVF FWGT [KEYOPT(1)=1]
5.4.9.2
KEYOPT(1)
(+) KEYOPT(2)
(2D) KEYOPT(3)
() KEYOPT(4)
CNOFKEYOPT(5)
KEYOPT(7)
KEYOPT(8)
KEYOPT(9)
KEYOPT(10)
KEYOPT(11)
() KEYOPT(12)
KEYOPT
ET
GUImain menu>preprocessor>Elemant Type>Add/Edit/Delete
5.4.9.3
Contact wizard basic>contact algorithm
KEYOPT(2)
FTOLNFTOLN FTLON 0.1
5.4.9.4
Contact Wizard>basic>normal penaltycontact stiffness
ANSYS FKN 0.011010.010.1
--FTOLN FKN KEYOPT(10)=1,2
1
2()
3()FKN FTOLN FKN
4 FKN FTOLN
-- () FTOLN FKN
5.4.9.5
(stick)p (=p+COHE--MU-- COHE )(Sliding)/( KEYOPT(12)=1356) MU
5-9 TAUMAX (1.0E20)()TAUMAX von Mises) TAUMAX
5-9
5.4.9.5.1
ANSYS
=MU(1+(FACT-1)exp(-DCV rel )
MUMP
FACT1.0
DC0.0time/length
V rel ANSYS
1 V rel
FACT1.0CONTAC46CONTAC49
5.4.9.5.2
ANSYS( NROPT ,UNSYM)
5.4.9.6
Contact wizard>basic>contact detection
5-10
5-10
5-11
Contact wizard>basic>contact detection ANSYS Newton-Cotes/Lobatto Newton-cotes/Lobatto KEYOPT(4)( CONTAC171 CONTAC173)( 5-11 )
() 5-12 CONTAC26CONTAC48 CONTAC495.5
5-12
5.4.9.7
Contact wizard>initial adjustment
1 CNOF .
Contact wizard>initial adjustment>contact surface offset
ANSYS CNOF Contact wizard>initial adjustment>automatic contact adjustment
KEYOPT(5)
=1:
=2:
=3:
KEYOPT(5)>0 ICONT 0
2 ICONT Contact wizard>initial adjustment>initial contact closure ICONT ICONT () ICONT ( 5-13a ) ICONT ( 5-13b )
5-13 ICON(a);(b)
CNOF ICONT CNOF ( ICONT )
( FTOLN, PINB, PMAX PMIN)ICONT (1E-20) ICONT=0 ANSYS
3 PMIN PMAX Contact wizard>initial adjustment>automatic contact adjustment>initial allowable penetration range PMAX PMIN 5-14 PMAX
PMAX PMIN
5-14 (PMINPMAX)
--ANSYS UX 0X Y Z PMAX PMIN
20( PMINPMAX )
5-15 UY X X
-
5-15
4KEYOPT(9)=1 5-16
5-16 KEYOPT(9)=1
(CNOF)
KEYOPT(9)
KEYOPT(9)=0
KEYOPT(9)=1KEYOPT(12)=45KEYOPT(9)=1--
(CNOF)KEYOPT(9)=3KEYOPT(12)=45KEYOPT(9)=3--
5-17 KEYOPT(9)
KEYOPT(9)=2(CNOF+)
KEYOPT(9)=4
KEYOPT(9) KBC ,0 Pinball
ICONT
CNOF ()
KEYOPT(9)=3 KEYOPT(9)=4
5-17
()
()/
5.4.9.8
Contact wizard>basic >pinball region
STAT=0
STAT=1
STAT=2
STAT=3
PINB ()()4*(-)2*(-)(2-D)(3-D)
()
5.4.9.9
()ANSYS90ANSYS 5-18
5-18
CONTA171CONTA174KEOPT(8)=1ANSYS KEYOPT ANSYS
(FTOLN)20% 5-18a
5-18a 5-18b
KEYOPT(8)ANSYSANSYS1
Contact element x has too much penetration related to target element y.
We assume it (may be more elements) is spurious contact.
ANSYS
Contact element x status changed abruptly with target element y.
We assume it (may be more elements) is spurious contact.
ANSYSANSYS
--KEYOPT(8)=1ANSYS PINB
5.4.9.10
Contact wizard>friction>tangent penalty stiffness
()( FKN FKT )KEYOPT(10)
KEYOPT(10)=0
KEYOPT(10)=1
KEYOPT(10)=2 KEYOPT(10)=1()
5.4.9.11
Contact wizard >basic>behavior of contact surface
- KEYOPT(12)
KEYOPT(12)=00
KEYOPT(12)=1(MU)
KEYOPT(12)=2()
KEYOPT(12)=3
KEYOPT(12)=4 FKOP()
KEYOPT(12)=5
KEYOPT(12)=6 CEINTF
FKOP FKOP FKOP FKOP FKOP 1
"" FKOP FKOP ("")
5.4.9.12
()
()
KEYOPT(3)2DCONTA171CONTA172
(KETOPT(3)=0)
(KEYOPT(3)=1)
(KEYOPT(3)=2)
(KEYOPT(3)=3)R2
3DCONTA173CONTA174KEYOPT(3)ANSYS
5.4.9.13
KEYOPT(11)(2D3D)(2D)-ANSYS/-ANSYS/ KFTOPI(11)=1
--KEYOPT(11)=0SHELL91KEYOPT(11)=1
KEYOPT(11)=1(CNOF)CNOF/SHELL181
5.4.9.14
KEYOPT(7)KEYOPT(7)=0()KEYOPT(7)=3
KEYOPT(7)=0
KETOPT(7)=1
KEYOPT(7)=2
KETOPT(7)=3
5.4.9.15
5.4.10 (-)
()
():
( MASS21 )
2D213D33()
ANSYS
( CE )( CP )
ANSYS
KEYOPT(2)=0ANSYS
(Jobname.RST)(Jobname.DB)
KEYOPT(2)=1
5.4.13
-ANSYS Commands Reference
NSUBST
GUIMain Menu >Preprocessor >Loads>Time/Frequenc>Freq and Substps
Main Menu >Preprocessor >Loads>Time/Frequenc>Time and Substps
Main Menu >Solution>Sol"n Control:Basic Tab
Main Menu >Solution >Unabridged Menu>Time/Frequenc >Freq and Substps
Main Menu >Solution>Unabridged Menu>Time/Frequenc >Time and Substps
DELTIM
GUIMain Menu >Preprocessor >Loads >Time/Frequenc >Time - Time Step
Main Menu >Solution >Sol"n Control:Basic Tab
Main Menu >Solution >Unabridged Menu>Time/Frequenc >Time - Time Step
--
AUTOTS ,ON
GUIMain Menu >Solution >Sol"n Control:Basic Tab
Main Menu >Solution >Unabridged Menu>-Load Step Opts-Time/Frequenc >Time - Time Step Time and Substps
FULL
NROPT ,FULL,,OFF
GUIMain Menu>Solution>Unabridged Menu>Analysis options
( NROPT , UNSYM,,OFF)
1526
NEQIT
GUIMain Menu >Solution >Sol"n Control:Nonlinear Tab
Main Menu >Solution >Unabridged Menu>-Load Step Opts-Nonlinear>
Equilibrium Iter
LNSRCH
GUIMain Menu >Solution >Sol"n Control:Nonlinear Tab
Main Menu >Solution >Unabridged Menu>-Load Step Opts-Nonlinear>
Line Search
PRED
GUIMain Menu >Solution >Sol"n Control:Nonlinear Tab
Main Menu >Solution >Unabridged Menu>-Load Step Opts-Nonlinear>
Predictor
( FKN)
-- NLGEOM ,OFF NLGEOM ,ON
5.4.14
()
1
SAVE
GUIUtility Menu>File>Save As
2
SOLVE
GUIMain Menu>Solution>-Solve-Current LS
3
FINISH
GUI
ANSYS Basic Analysis Guide FKN, FTOLN, PINB FKOP
5.4.15
()(POST1)(POST26) CONT ANSYS Elements Reference
POST1 Jobname.RST ( OUTRES Jobname.RST ) POST1
5.4.15.1
1POST1
2Jobname.RST
5.4.15.2 POST1
1 Jobname.OUT
2POST1[ RESUME ]
/ POST1
GUImain menu>General postproc
3
SET
GUIMain Menu>General Postproc> -Read Results-load step
4
(1)
PLDISP
GUIMain Menu>General Postproc>Plot Results> Deformed Shape
(2)
PLNSOL PLESOL
GUImain menu>general postproc>plot result>contour plot-
noded solu element solu
() (ANSYS Basic Analysis Guide)
PLNSOL PLESOL CONT
CONT STAT . 3-,
2-,
1-
0-.
" PENE
" PRES
" SFRIC
" STOT ()
" SLIDE
" GAP
" FLUX
--Main Menu>General Postproc>Plot Results> -Contour Plot-Nodal Solu Element Solu CONTACTItem Comp
---
(CONT)2D FACT 2D3D
PLETAB
PLLS
GUImain menu>general postproc>Element Table>Plot Element Table
main menu>General Postproc>Plot Results>-Contour plot-line Elem Res
PLETAB PLLS
(3)
PRNSOL ()
PRESOL ()
PRRSOL ()
PRETAB
PRITER (),
NSORT
ESORT
GUIMain Menu>General Postproc>List Results> Nodal Solution
Main Menu>General Postproc>List Results> Element Solution
Main Menu>General Postproc>List Results> Reaction Solution
NSORT ESORT
CONT PRNSOL PRESOL
(4)
ANTIME
GUIUtility Menu>PlotCtrls>Animate> Over Time
(5)
POST1 ANSYS Basic Analysis Guide