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Кравчук LS-DYNA БГУ лекции
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. . , . C. , . .
. ANSYS/LS-DYNA LS-PREPOST
3.
LS-PREPOST. LS-DYNA Solver
2013
2
531/534:004.4(075.8)(076.1) + 539.3:004.4(075.8)(076.1)
- ( 7 18.06.2013 .)
: .. , .C. , ..
: . ., . .-. , ,
. ., . . , .
. ANSYS/LS-DYNA LS-PREPOST [ ] : . .-. . 1-31 03 02 ( ). 3 . . 3. LS-PREPOST/ . . , . C. , . . . . . : , 2013. 74 . : . .: . 7172. . . . 002118062013. . 18.06.2013 .
LS-PREPOST, , LS-DYNA Solver, LS-PREPOST.
CAD-FEM GmbH ANSYS 10 ED .
3
LS-PREPOST
LS-PREPOST ( 1). LS-PREPOST :
LS-PREPOST , , .
, .
. , .
, , .. .
, . .
! LS-PREPOST , .
, .
. LS-PREPOST.
. .
, ( ) ( 2).
4
1. LS-PREPOST
2.
LS-PREPOST
, , ( 3). :
File , , , .
5
Misc. , , , .
Toggle , .
Background .
Applications , . , , , .
Target .
Help .
3. LS-PREPOST
, .
File
:
New ;
Open .
Update d3plot .
Save Keyword k- (*.k).
Save Config (*.lspostrc).
Print .
Movie .
Exit LS-PREPOST.
Save_Exit LS-PREPOST.
Misc.
:
6
Reflect .
Model Info .
Swap byte on Title
Mesh line width 2-D .
Edge line width 3-D .
Feature angle .
Start record .
Stop record .
Playback .
Ruler .
Command File .
Title
Assign Menu Button
View Message Dialog
Toggle
:
Local axes On .
Texture On .
Onesided Lighting - .
FringeLight .
Outlining edge .
PlotUnode on , .
Highlight off / .
Smooth Shade .
Outline white .
Deleted Nodes on .
7
Record Message on , , .
Beam Style Prism , .
Animate mode once .
Deleted Elements on - .
Background
:
Full(ESC to return)
Plain ( ).
Fade, DiaFade, TriFade , ( ).
Picture jpeg- .
( 4):
Title - , .
Legd - , .
Tims - , .
Triad - , .
Bcolr - , .
Mcolr - , .
Frin - ().
Isos - - ().
Lcon - .
Hide - .
Shad - ().
View - ()
Wire - .
Feat - ( 30 ).
8
Edge - .
Grid - .
Mesh - .
Shrn - ( 0.85).
Acen - .
Pcen - .
Zin - ( ).
Zout - .
+/- 10 - 10 , , Z, .
Rx, Ry, Rz - RX, RY, RZ .
// - , 3-D .
Pers 3-D .
DeOff - .
DeOn - .
Clp - .
All - .
Rpat - .
Top, Front, Right, Bottm, Back, Left - (, , , , ).
Redw - .
Home - .
Anim - .
Rset - .
4.
9
,
! ( , ) Main Menu. .
. (.. ), ( 5).
, :
. , , ( ANSYS/LS-DYNA Post processing).
. , , ( , .), .. Pre processing, , Post processing.
k-.
, , .. Pre processing.
, k- ( ).
10
5. , ,
( 6):
First .
Last .
Inc .
Time .
State# .
SF .
No.of Div .
( 6):
.
11
.
(), .
.
,
.
Inc.
- .
6.
LS-PREPOST ( 7) ( 8). Enter .
7.
8.
12
1
, .
Fcomp
Main Menu> 1> Fcomp
Fringe Compotent ( 9), :
Stress .
Ndv - / .
Result - .
Strain - ln .
Misc - , , ..
Infin - .
Green - Green-St.Venant G .
Almans - Almansi Al .
S.Rate - .
Residue - .
FLD - FLD .
Beam t s , , / .
CFD - Navier-Stokes.
D3Mean - Fringe Compotent.
User - Fringe Compotent .
Apply .
13
! L - , - . ln
LL 1lnln . Green-
St.Venant G Almansi Al 222
G L2L , 222
Al 2L .
9. Fringe Component
Main Menu> 1> Fcomp> Fringe Compotent> Ndv> x-displacement
Main Menu> 1> Fcomp> Fringe Compotent> Ndv> y-displacement
14
Main Menu> 1> Fcomp> Fringe Compotent> Ndv> z-displacement
Main Menu> 1> Fcomp> Fringe Compotent> Ndv> result displace
Main Menu> 1> Fcomp> Fringe Compotent> Stress> 1st-prin stress
Main Menu> 1> Fcomp> Fringe Compotent> Stress> 2st-prin stress
Main Menu> 1> Fcomp> Fringe Compotent> Stress> 3st-prin stress
Main Menu> 1> Fcomp> Fringe Compotent> Infin> 1st-prin. strain
Main Menu> 1> Fcomp> Fringe Compotent> Infin> 2st-prin. strain
Main Menu> 1> Fcomp> Fringe Compotent> Infin> 3st-prin. strain
Green-St.Venant
Main Menu> 1> Fcomp> Fringe Compotent> Green> 1st-prin. strain
Main Menu> 1> Fcomp> Fringe Compotent> Green> 2st-prin. strain
Main Menu> 1> Fcomp> Fringe Compotent> Green> 3st-prin. strain
Almansi
Main Menu> 1> Fcomp> Fringe Compotent> Almansi> 1st-prin. strain
Main Menu> 1> Fcomp> Fringe Compotent> Almansi> 2st-prin. strain
Main Menu> 1> Fcomp> Fringe Compotent> Almansi> 3st-prin. strain
Main Menu> 1> Fcomp> Fringe Compotent> Beam> axial forse resultant
Main Menu> 1> Fcomp> Fringe Compotent> Beam> t-forse resultant
15
Main Menu> 1> Fcomp> Fringe Compotent> Beam> s-moment resultant
Main Menu> 1> Fcomp> Fringe Compotent> Beam> torsional moment
Vector
Main Menu> 1> Vector
. , Vector Plot ( 10) :
X, Y, Z - , , Z .
Vector range - .
Dynamic - / .
Static - / .
User - / .
Show - , .
SF - .
Hidden line vector off - ( , , ).
Whole - () .
Part - .
Area - .
El/Node - . :
Apply - .
Clear - .
Done - .
16
10. Vector Plot
Main Menu> 1> Vector
:
( X, Y, Z).
(, Dynamic, Static).
( SF)
, . Apply.
History
Main Menu> 1> History
17
. , Time History Results ( 11), :
:
Global -
Nodal -
Element -
Int.pt. -
Material -
R-Nodal -
Scalar - fringed
Vol-fail -
Sum mats - .
, .
, :
Value - / :
1. Elm - (plot) 2. Max - (plot)
3. Min - (plot)
E-type - .
E-axes - .
Surface - .
18
11. Time History Results
:
Plot - XY-Plot .
New - XY-Plot .
Padd - XY-Plot .
Raise - XY-Plot .
Pop - XY-Plot .
Clear - .
Done - .
Main Menu> 1> History
19
:
.
Nodal R-Nodal/- Element and Int. Pt./, Materials/ fringe Scalar, Fcomp.
! , FComp, 1 prin stress Hystory , .
Plot New.
State
Main Menu> 1> State
. :
State Times ( 12):
Choose , ;
Delete ;
State Times ( 12):
Overlay State ;
Overlay Color ;
Overlay Type ;
Reset ;
Done .
20
12. State Times
Main Menu> 1> State
:
, .
c Overlay Color.
Overlay Type.
, State.
! Enter .
21
() Measur
Main Menu> 1> Measur
. Measure ( 13), , , History :
Item .
Cancel pick ().
History .
Active Element Only .
Plot PlotWindow.
New PlotWindow.
Padd () PlotWindow.
Clear .
Raise PlotWindow.
Pop PlotWindow.
Done Measure.
22
13. Measure
()
Main Menu> 1> Measur
:
Reference Axes ( Global).
Item Coordinate.
- .
! .
(X-coordinate, Y-coordinate, Z-coordinate Magnitude) Hystory.
Plot (New PAdd) .
23
Main Menu> 1> Measur
:
Reference Axes ( Global).
Item Distance ( Distance N2S).
( ) - .
.
Hystory.
Plot (New PAdd) .
SelPar
Main Menu> 1> SelPar
. Part Selection ( 14), :
:
.
Beam .
Shell .
Solid .
Tshell T- .
Mass .
Discrete .
Seatbelt Seatbelt ( ).
Inertia - .
Rsurf - .
SPHnd SPH-.
24
Fluid . :
Single .
Area , , .
Polygon , , .
Part Selection :
Save .
Load .
Buff(n) .
Rm , .
Kp , /.
Info .
All .
None .
Rev .
Auto .
Apply .
Done Part Selection.
25
14. Part Selection
Main Menu> 1> SelPar
:
Rm (Remove) Kp (Keep) , Part .
(Single, Area, Poly).
Part ID.
Apply.
3
3 k-.
*Boundry
Main Menu> 3> *Boundry
.
26
*Constrnd
Main Menu> 3> *Constrnd
.
*Contact
Main Menu> 3> *Contact
.
*Control
Main Menu> 3> *Control
, , .
*Dbase
Main Menu> 3> *Dbase
.
*Define
Main Menu> 3> *Define
, , ..
*Element
Main Menu> 3> *Element
, , , , , .
27
*Eos
Main Menu> 3> *Eos
.
*Initial
Main Menu> 3> *Initial
.
*Load
Main Menu> 3> *Load
, , .
*Mat
Main Menu> 3> *Mat
.
*Node
Main Menu> 3> *Node
.
*Part
Main Menu> 3> *Part
*SECTION, *MATERIAL, *EOS ..
28
*Set
Main Menu> 3> *Set
, , .. .
k- LS-PREPOST
1. k- LS-PREPOST
1. k- LS-PREPOST
ANSYS k- File> Import> LS-DYNA Keyword. Input File ( 15).
15. Input File
:
k- (C:\example1\).
k- (example1.k).
Open. ( 16).
29
16. .
2. k- LS-PREPOST
k- ANSYS ANSYS. , , LS-PREPOST LS-DYNA. 3 ( 17).
17. 3
:
*Dbase ( 18).
Keyword *DATABASE ( 19) *FORMAT.
Keyword *DATABASE Edit ( 19).
30
18. 3 *Dbase
19. Keyword *DATABASE *Dbase
*DATABASE_FORMAT ( 20).
IFORM . 0, LS-DYNA ( 20).
Accept Done *DATABASE_FORMAT ( 20).
20. IFORM *DATABASE_FORMAT
31
3.
LS-DYNA . , . ( 17):
, 3, *Control ( 21).
*TIMESTEP ( 22).
Cre/Edt ( 22).
CONTROL_TIMESTEP ( 23) DT2MS . 0.00001.
Accept Done CONTROL_TIMESTEP ( 23).
21. *Control
22. Keyword *DATABASE
*Control
32
23. DT2MS *CONTROL_TIMESTEP
4. .
k- File> Save Keyword. Save Keyword ( 24).
:
Browse Save Keyword File k- (, C:\example1\).
k- (, example1.k).
Open Save Keyword File.
Save Save Keyword.
! LSPP Question Yes. LSPP Question ( LS-PREPOST). ANSYS- k-, k-.
LS-PREPOST.
24. Save Keyword
33
2.
1. k- LS-PREPOST
ANSYS k- File> Import> LS-DYNA Keyword. Input File. :
k- (, C:\example2\).
k- (example2.k).
Open. ( 25).
25.
2. k- LS-PREPOST
, , LS-PREPOST LS-DYNA. 3 ( 17). :
*Dbase ( 18).
Keyword *DATABASE ( 19) *FORMAT.
34
Keyword *DATABASE Edit ( 19).
*DATABASE_FORMAT ( 20).
IFORM . 0, LS-DYNA ( 20).
Accept Done *DATABASE_FORMAT ( 20).
3.
LS-DYNA . , . 3:
, , *Control ( 26).
*TIMESTEP ( 27).
Cre/Edt ( 27).
CONTROL_TIMESTEP DT2MS . 0.00005.
Accept Done CONTROL_TIMESTEP.
26.
*Control
35
27. Keyword *CONTROL *Control
4. .
*MAT_ADD_EROSION (second part) ( 28).
28.
*MAT_ELASTIC, *MAT_ADD_EROSION . :
, 3, *MAT ( 29). 001-ELASTIC Edit.
MAT_ELASTIC ( 30) NewID, Accept. .
Done.
36
GroupBy Keyword *MAT All ( 31).
*000-ADD_EROSION ( 32).
Edit ( 32).
MAT_ADD_EROSION NewID MID 2, EPSP1 0.00065 ( 33).
Accept Done MAT_ADD_EROSION ( 33).
! MID 2, .. , , , .
29. *Mat
30. *MAT_ELASTIC
37
31. LS-DYNA.
32. Keyword *MAT *Mat
:
, 3, *Part, (*)PART (2) Edit. *PART_(TITLE) ( 34).
2 Part MID 2 ( 34).
Accept Done.
33. *MAT_ELASTIC
38
34. *PART 2 Part
5. .
k- File> Save Keyword. Save Keyword.
:
Browse Save Keyword File k- (, C:\example2\).
k- (, example2.k).
Open Save Keyword File.
Save Save Keyword.
! LSPP Question Yes. LSPP Question ( LS-PREPOST). ANSYS- k-, k-.
LS-PREPOST.
3. - LS-PREPOST
1. k- LS-PREPOST
k-, ANSYS, LS-PREPOST File> Import> LS-DYNA Keyword. Input File. :
39
k- (, C:\example3\).
k- (example3.k).
Open. ( 35).
35. LS-PREPOST
2. k- LS-PREPOST
, , LS-PREPOST 3 ( 17). :
*Dbase ( 18).
Keyword *DATABASE ( 19) *FORMAT.
Keyword *DATABASE Edit ( 19).
*DATABASE_FORMAT ( 20).
IFORM . 0 ( 20).
*DATABASE_FORMAT Accept Done ( 20).
40
3. .
k- File> Save Keyword. Save Keyword.
:
Browse Save Keyword File k- (, C:\example3\).
k- (, example3.k).
Open Save Keyword File.
Save Save Keyword.
! LS-PREPOST Yes LSPP Question.
LS-PREPOST.
4 5. k-
! k- 4 5 ANSYS and LS-DYNA, .
41
LS-DYNA SOLVER LS-PREPOST
ANSYS Product Launcher
- Ansys Product Launcher ( 36):
start> Programs> Ansys ED 10.0> ANSYS Product Launcher
36. 10.0: ANSYS ED Product Launcher
:
Simulation Environment LS-DYNA ED Solver ( 37).
Analysis Type Typical LS-DYNA Analysis ( 37).
42
37. LS-DYNA ED Solver
File Management. Working Directory , k-. Browse Browse for Folder ( 38) . OK.
k- Keyword Input File. Browse Select Keyword Input File ( 39) . Open ( 40).
Run Launch ANSYS Product Launcher ( 36).
ANSYS Product Launcher, ( 41). , ( ). d3plot , Working Directory.
ANSYS Product Launcher ( 36) File> Exit,
.
! , d3plot .
43
38. Browse for Folder
39. Select Keyword Input File
40. Working Directory Keyword Input File
44
41. ANSYS Product Launcher
LS-PREPOST
File> Open> Binary Plot. Input File ( 42).
42. Input File
:
(, :\example1\), .
d3plot.
Open.
45
1. LS-PREPOST
1. Ansys Product Launcher
Ansys Product Launcher:
start> Programs> Ansys ED 10.0> ANSYS Product Launcher
:
Simulation Environment LS-DYNA ED Solver.
Analysis Type Typical LS-DYNA Analysis.
Working Directory Browse Browse for Folder (, C:\example1\), . OK.
k- Keyword Input File Browse Select Keyword Input File example1.k. Open.
Run Launch ANSYS Product
Launcher.
Launch ANSYS Product Launcher.
d3plot , , .
2. LS-PREPOST
LS-PREPOST> File> Open> Binary Plot. Input File.
46
:
(C:\example1), .
d3plot.
Open. ( 43).
43.
3.
:
LS-PREPOST> Misc.> Reflect> Reflect about YZ Plane
:
, 1 ( 44).
Fcomp ( 44).
Fringe Component Stress 1st-prinsipal stress ( 45).
47
Apply.
( 0 1 .) ( 46).
! , 0.92 ( 46).
44. , 1
45. Fringe Component
(1st-prinsipal stress)
48
46.
4.
0.
. :
Fcomp.
Fringe Component Stress 1st-prinsipal stress ( 45).
History ( 47).
Scalar Maximum Prinsipal Stress ( 47).
, ( 48).
Plot ( 47, 49).
49
47.
50
48.
49.
51
5.
1000 60 3.25 . AMD Athlon 64 Processor 3500+. 0,93 0,92 . .
, , , , .
2.
1. Ansys Product Launcher
, k-, Ansys Product Launcher:
start> Programs> Ansys ED 10.0> ANSYS Product Launcher
:
Simulation Environment LS-DYNA ED Solver.
Analysis Type Typical LS-DYNA Analysis.
File Management. Working Directory , k-. Browse Browse for Folder (, C:\example2\). OK.
k- Keyword Input File. Browse Select Keyword Input File (, example2.k). Open.
Run Launch ANSYS Product Launcher.
52
ANSYS Product Launcher, . , d3plot () Working Directory.
ANSYS Product Launcher
File> Exit, .
2. LS-PREPOST
File> Open> Binary Plot. Input File. :
(, C:\example2\), .
d3plot.
Open. ( 50).
50.
53
3.
:
, 1 ( 51).
Fcomp ( 51).
Fringe Component Stress 1st-prinsipal stress ( 52).
Apply.
( 0 1 .) ( 53).
! , 0.04 ( 53).
51. 1
Fcomp
52. Fringe Component
(1st-prinsipal stress)
54
53.
4.
. :
Fcomp.
Fringe Component Stress 1st-prinsipal stress ( 52).
History ( 54).
Time History Results Scalar ( 54).
Scalar Maximum Prinsipal Stress ( 54).
( 55), .
Plot ( 56).
55
54.
56
55.
56.
57
3. Ansys Product Launcher
1.
Ansys Product Launcher:
start> Programs> Ansys ED 10.0> ANSYS Product Launcher
:
Simulation Environment LS-DYNA ED Solver.
Analysis Type Typical LS-DYNA Analysis.
Working Directory Browse Browse for Folder (C:\example3\). OK.
k- Keyword Input File Browse Select Keyword Input File example3.k. Open.
Run Launch ANSYS Product
Launcher.
Launch ANSYS Product Launcher.
d3plot , , .
2. LS-PREPOST
File> Open> Binary Plot. Input File.
:
(), (, C:\example3\).
58
d3plot.
Open. ( 57).
57.
3.
:
, 1 ( 58).
Fcomp ( 58).
Fringe Component Stress von mises stress ( 59).
Apply.
( 60).
! , 0.000012.
59
58. , 1
59. Fringe Component
von mises stress
60
60.
4. , ANSYS/LS-DYNA LS-PREPOST
, LS-PREPOST , , .
5. avi- .
. File> Movie . Movie Dialog ( 61).
Pathname File Name Start ( 61). avi-, ( 62).
61
61. Movie Dialog
62. bullet.avi
62
4. LS-PREPOST
1.
Ansys Product Launcher:
start> Programs> Ansys ED 10.0> ANSYS Product Launcher
:
Simulation Environment LS-DYNA ED Solver.
Analysis Type Typical LS-DYNA Analysis.
Working Directory Browse Browse for Folder , (C:\example4\). OK.
k- Keyword Input File Browse Select Keyword Input File example4.k. Open.
Run Launch ANSYS Product Launcher.
Launch ANSYS Product Launcher.
2. LS-PREPOST
File> Open> Binary Plot. Input File. :
(), (, C:\example4\).
d3plot.
Open. .
3.
:
63
, 1.
Fcomp.
Fringe Component Ndv result displacement ( 63).
Apply.
( 64).
! Shift + , / Shift + (Scroll).
63. Fringe Component
(result displace)
64
64.
4. .
:
, 1.
Measure .
Item Distance ( 65).
History length ( 65)
, ( 66).
Plot ( 67).
65
65. Measure
66. 22 42
66
67.
5. LS-PREPOST
1.
Ansys Product Launcher:
start> Programs> Ansys ED 10.0> ANSYS Product Launcher
:
Simulation Environment LS-DYNA ED Solver.
Analysis Type Typical LS-DYNA Analysis.
Working Directory Browse Browse for Folder , (, c: \example5\). OK.
k- Keyword Input File Browse Select Keyword Input File example5.k. Open.
Run Launch ANSYS Product Launcher.
67
Launch ANSYS Product Launcher.
d3plot , , .
2. LS-PREPOST
File> Open> Binary Plot. Input File.
:
(), (, C: \example3\).
d3plot.
Open. ( 68).
68.
68
3. s-
:
1.
Fcomp.
Fringe Component Beam s-moment resultant ( 69).
Apply.
( 70).
69. Fringe Component
(s-moment resultant)
69
70.
4.
:
1.
State.
State Times 1, ( Overlay ), Overlay Color Black Overlay Type Mesh ( 71).
Overlay State 14. 0 1.3 ( 72).
! Overlay State Enter. LS-PREPOST .
70
71. State Times
72. 0 (.) 1.3 (.)
71
1. . . / . . , . . , . . // : . . . . , 3-7 2008 . 2. : , 2008. . 115.
2. . . / . . , .. , . . , . . // : . . . 14-19 . 2009 . , : , 2009. . 65.
3. . ANSYS [ ] : . .-. . 1-31 03 02 ( ). 5 . . 1. . / . . , . . , . . . . . : , 2013. 130 .: . .: . 128 . . . . 001228052013. . 28.05.2013.
4. . ANSYS [ ] : . .-. . 1-31 03 02 ( ). 5 . . 2. . ANSYS / . . , . . , . . . . . : , 2013. 145 .: . .: . 143. . . . 001328052013. . 28.05.2013.
5. . ANSYS [ ] : . .-. . 1-31 03 02 ( ). 5 . .3. . / . . , . . , . . . .
72
. : , 2013. 193 .: . .: . 190. . . . 001428052013. . 28.05.2013.
6. . ANSYS [ ] : . .-. . 1-31 03 02 ( ). 5 . . 4. . Solution General Postproc . , / . . , . . , . . . . . : , 2013. 118 .: . .: . 116 . . . . 001528052013. . 28.05.2013.
73
LS-PREPOST ....................... 3 LS-PREPOST........................................................ 4 ........................................................................................ 7 , ....................................................................................... 9 ......................................................... 10 ............................................... 11 1 ............................................................................... 12
Fcomp .................. 12 Vector ............................................... 15 History ................................................................................................................. 16
State .................................................. 19 () Measur ................................................................................................................. 21
SelPar ............................................ 23 3 ............................................... 25 k- LS-PREPOST ............................. 28
1. k- LS-PREPOST...................................................... 28 2. ................................................................................................ 33 3. - LS-PREPOST ............... 38 4 5. k- ........................................ 40
LS-DYNA SOLVER LS-PREPOST ................................................................ 41
ANSYS Product Launcher ...................................................................................... 41
LS-PREPOST .................. 44 ............................................................................................................. 45
1. LS-PREPOST ............ 45 2. ................................................................................................ 51
74
3. Ansys Product Launcher ....................... 57 4. LS-PREPOST ........................................ 62 5. LS-PREPOST ..................................................................................... 66
................................................................................................................ 71
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