Лекции По ls-dyna Часть 2

- -PREPOST

2.

-DYNA.

ANSYS/LS-DYNA

2013

2

- 7 18.06.2013 .)

.-

.

,

-

-

- -31 03

ANSYS/LS-

S-DYNA / .

120.

002018062013.

-DYNA Solver,

- -

- -

-FEM GmbH

10

3

ANSYS /LS-DYNA

,

LS-DYNA ,

, ,

.

LS-PREPOST.

,

ANSYS/LS-DYNA

ANSYS/LS-DYNA

-

,

k-

ANSYS/LS-DYNA

:

component) ANSYS/LS-

-DYNA .

4

part PART ID

Material number

Element type number

(Real constant set number).

assembly

-

assembly parts).

! parts

k-

part

Main Menu> Preprocessor> LS-

DYNA Options> Parts Options Select Entities, Component Manager.

Main Menu> Preprocessor>

LS-DYNA Options> Parts Options

Parts Data Written for LS-DYNA ( 1).

Create all parts OK.

! Create all parts

1. Parts Data Written for LS-DYNA

5

:

Utility Menu> Select> Entities

Select Entities

Volumes

By Attributes

2

Select Entities Material num.

Min, Max, Inc

Apply.

Plot.

Select Entities Elem Type num.

Min, Max, Inc

Apply.

Plot.

Select Entities Real Set num.

Min, Max, Inc

Apply.

Plot.

6

2 Select Entities

Material number

(Element type number Real constant set number).

:

Select Entities By Num/Pick ( 3

Apply Select

(part OK Select .

Plot Select Entities.

7

3 Select Entities

Component Manager

(component)

Utility Menu> Select> Component Manager

Component Manager

Create Component Elements

(component) OK

Component Manager Pick Entities

Create Component

Utelity Menu > Select> Everything

part

Main Menu> Preprocessor> LS-DYNA Options> Parts Options

Parts Data Written for LS-DYNA

( 1).

(component)

Add part OK

Parts Data Written for LS-DYNA ( 4

Part ID Number

8

component OK Apply.

4. Parts Data Written for LS-DYNA

assembly

parts)

Main Menu> Preprocessor> LS-DYNA Options> Assembly Options

Assembly Data Written for LS-DYNA (

5 Create Assembly

OK

Assembly Data Written for LS-DYNA ( 6

parts assembly OK.

5. Assembly Data Written for LS-DYNA

9

6. Assembly Data Written for LS-DYNA

Utility Menu> Parameters> Array

Array Parameters ( 7):

Add .

Add New Array Parameter ( 8Par

I ,J,K No. of row, column, planes ,

.

Apply.

Add New Array Parameter Par

I ,J,K No. of row, column, planes

10

OK.

7. Array Parameters

Array Parameters Edit Array Parameter

8. Add New Array Parameter

11

File> Apply/Quite

.

Array Parameters Edit

Array Parameter

.

File> Apply/Quite

.

Close Array Parameters.

,

.

Main Menu> Preprocessor> LS-DYNA Options> Loading Options>

Curve Options> Add Curve

Main Menu> Solution> Loading Options> Curve Options> Add Curve

Add Curve Data for LS-DYNA Explicit ( 9),

Curve ID Number

Parameter name for abscissa val

Parameter name for ordinate val

OK.

12

9. Add Curve Data for LS-DYNA Explicit

component part)


Specify Loads

Main Menu> Solution> Loading Options> Specify Loads

Specify Loads for LS_DYNA Expli it ( 10

Load Labels .

Component name or PART number component part)

10).

Parameter name for time values

.

Parameter name for data values

Scale Factor for loading curve

OK ( 10).

13

Parameter name for time values Parameter name for data values


None defined Load curve ID

10. Specify Loads for LS_DYNA Expli it

14

,

- .

/LS-DYNA: UX, UY, UZ, ROTX, ROTY, ROTZ

,

UX, ROTZ, AY ,

ANSYS/LS-DYNA

Main Menu> Preprocessor> LS-DYNA Options> Constraints> Apply> On Lines

Main Menu> Solution> Constraints> Apply> On Lines

Apply U,ROT on Lines

OK Apply.

Apply U, ROT on Lines ( 11),

1. Lab2 X UX, VX, AX; Y

UY, VY, AY; Z UZ, VZ, AZ

ALL DOF,

2. VALUE

3. OK Apply.

15

Constant value).

11. Apply U, ROT on Lines

Main Menu> Preprocessor> LS-DYNA Options> Constraints> Apply> On Areas

Main Menu> Solution> Constraints> Apply> On Areas

Apply U,ROT on Areas

OK Apply.

Apply U, ROT on Areas

1. Lab2 X UX, VX, AX Y

UY, VY, AY Z UZ, VZ, AZ

ALL DOF

;

16

2. VALUE

;

3. OK Apply.

-

Main Menu> Preprocessor> LS-DYNA Options> Constraints> Apply> On Nodes

Main Menu> Solution> Constraints> Apply> On Nodes

Apply U,ROT on Nodes

OK Apply.

Apply U, ROT on Nodes

1. Lab2 X UX, VX, AX Y

UY, VY, AY Z UZ, VZ, AZ

ALL DOF

2. VALUE

;

3. OK Apply.

17

Main Menu> Preprocessor> LS-DYNA Options> Initial Velocity> On Nodes>

w/Nodal Rotate

Main Menu> Solution> Initial Velocity> On Nodes> w/Nodal Rotate

Input Velocity

Input velocity on component (12)

(component) ,

or node (if node number choosen)

.

VX, VY, VZ

OMEGAX, OMEGAY,

OMEGAZ).

OK Apply.

12 Input Velocity

18

(component)

component)


w/Axial Rotate

Main Menu> Solution> Initial Velocity> On Nodes> w/Axial Rotate

Generate Velocity ( 13).

Generate velocity on component component)

VX, VY, VZ).

OMEGA).

XC, YC, ZC).

ANGX, ANGY, ANGZ).

OK Apply.

part

assembly)

Main Menu> Preprocessor> LS-DYNA Options> Initial Velocity> On Parts>

w/Nodal Rotate

Main Menu> Solution> Initial Velocity> On Parts> w/Nodal Rotate

19

13 Generate Velocity

Input Velocity

(component).

Input Velocity

Input velocity on part/assembly part assembly

20

VX, VY, VZ

OMEGAX, OMEGAY,

OMEGAZ).

OK Apply.

Main Menu> Preprocessor> LS-DYNA Options> Initi al Velocity> On Parts>

w/Axial Rotate

Main Menu> Solution> Initial Velocity> On Parts> w/Axial Rotate

Generate Velocity

(component).

Generate Velocity

Generate velocity on part/assembly part

(assembly

VX, VY, VZ).

OMEGA).

XC, YC, ZC).

ANGX, ANGY, ANGZ).

OK Apply.

Main Menu> Preprocessor> LS-DYNA Options> Acceleration CS> Set Accel CS

Main Menu> Solution> Loading Options> Acceleration CS> Set Accel CS

Define Acceleration Coodinate System ( 14).

X, Y, Z global cartesian coord

OK.

21

14. Define Acceleratuion Coodinate System

:

1. .

2.

.

3.

).

4.

.

5. .

6. .

- ,

GUI

Main Menu> Preprocessor> LS-DYNA Options> Contact> Define Contact

Contact Parameter Definitions ( 15

:

Single Surface, Node to Surface, Surface to Surface

22

Contact Type


Contact Type

OK Apply.

Contact Type

Node to Surface Surface to Surface OK

Apply Contact Options

)

Contact Component

(Target Component).

15 Contact Parameter Definitions

23

,

ANSYS/LS-DYNA ANSYS

,

,

.

ANSYS/LS-DYNA

, ,

ANSYS.

Utility Menu> List> Loads> DOF Constraints> On All Lines

Utility Menu> List> Loads> DOF Constraints> On All Areas

Utility Menu> List> Loads> DOF Constraints> On All Nodes

Command ,

),

File ( Close), .

,

Command.

Utility Menu> List> Loads> DOF Constraints> On Picked Lines

Utility Menu> List> Loads> DOF Constraints> On Picked Areas

24

Utility Menu> List> Loads> DOF Constraints> On Picked Nodes

List DOF Constraints

OK

Apply Command,

! ,

,

Command.

(component)


List

Main Menu> Solution> Initial Velocity> On Nodes> List

List Initial Velocity ( 16

List velocity of component

(component)

All

OK

EDVE Command ( 17

.

(component)

or node (if node number chosen).

25

16. List Initial Velocity

17 EDVE Command

part

assembly)

Main Menu> Preprocessor> LS-DYNA Options> Initial Velocity> On Parts> List

Main Menu> Solution> Initial Velocity> On Parts> List

List Initial Velocity List velocity of part/assembly

part assembly

All

OK

26

EDPV Command

.

Main Menu> Preprocessor> LS-DYNA Options> Contact> List Entities

EDCLIST Command,

18).

File ( Close),

.

18 EDCLIST Command

Main Menu> Preprocessor> LS-DYNA Options> Contact> Select and Plot

Select and Plot Contact Entities

( 19). Minimum contact number

1

Maximum contact number

Minimum contact number Increment

Minimum contact number Maximum contact number

1 OK.

27

19. Select and Plot Contact Entities

ANSYS/LS-

DYNA

,

Main Menu> Preprocessor> LS-DYNA Options> Loading Options> Show Forces

Main Menu> Solution> Loading Options> Show Forces

Plot Explicit dynamics load symbols on the model ( 20).

Display load symbols Show

) Hide

OK.

20. Plot Explicit dynamics load symbols on the model

28


Plot Load Curve

Main Menu> Solution> Loading Options> Plot Load Curve

EDLOAD Command ( 21)

Plot Load Curve for LS-DYNA ( 21)

Load reference number

EDLOAD Command OK

EDLOAD Command

.

21. EDLOAD Command

Plot Load Curve for LS-DYNA


Curve Options> List Curve

Main Menu> Solution> Loading Options> Curve Options> List Curve

List Curve Data for LS-DYNA Explicit ( 22

29

All OK

EDCURVE Command ( 23) .

22. List Curve Data for LS-DYNA Explicit

23 EDCURVE Command


Curve Options> Plot Curve

Main Menu> Solution> Loading Options> Curve Options> Plot Curve

Plot Curve Data for LS-DYNA Explicit ( 24

Curve ID Number

OK.

30

24. Plot Curve Data for LS-DYNA Explicit

Main Menu> Preprocessor> LS-DYNA Options> Constraints> Delete> On Lines

Main Menu> Solution> Constraints> Delete> On Lines

Delete Line Constraints

OK

Delete Line Constraints ( 25

Lab Constraints to be deleted ,

All DOF OK

25 Delete Line Constraints

Main Menu> Preprocessor> LS-DYNA Options> Constraints> Delete> On Areas

31

Main Menu> Solution> Constraints> Delete> On Areas

Delete Area Constraints

OK

Delete Area Constraints


All DOF

OK

Main Menu> Preprocessor> LS-DYNA Options> Constraints> Delete> On Nodes

Main Menu> Solution> Constraints> Delete> On Nodes

Delete Node Constraints

OK

Delete Node Constraints


All DOF

OK


Delete Loads> Delete All

Main Menu> Solution> Loading Options> Delete Loads> Delete All

Verify

( 26),

Yes No).

32

26 Verify


Delete Loads> Delete Individ

Main Menu> Solution> Loading Options> Delete Loads> Delete Individ

Delete Loads for LS-DYNA Explicit ( 27),

(Load Labels), ,

(Parameter name for time values)

(Parameter name for data values), component)

part),

(Component name or PART number).

Load Curve ID OK.

33

27. Delete Loads for LS-DYNA Explicit


Curve Options> Delete Curve

Main Menu> Solution> Loading Options> Curve Options> Delete Curve

Delete Curve Data for LS-DYNA Explicit

All

OK.

34

component


Delete

Main Menu> Solution> Initial Velocity> On Nodes> Delete

Delete Initial Velocity ( 28),

Delete velocity of component

or node (if node number chosen) ,

OK.

28 Delete Initial Velocity

part assembly)

Main Menu> Preprocessor> LS-DYNA Options> Initial Velocity> On Parts>

Delete

Main Menu> Solution> Initial Velocity> On Parts> Delete

Delete Initial Velocity

35

Delete velocity of part/assembly

OK.


Acceleration CS> Delete Accel CS

Main Menu> Solution> Loading Options> Acceleration CS> Delete Accel CS

Delete Acceleration Coordinate System ( 29).

OK.

29. Delete Acceleration Coordinate System

Main Menu> Preprocessor> LS-DYNA Options> Contact> Delete Entities

Delete Contact Entities for LS-DYNA Explicit ( 30),

(Contact Type),

Contact Component or Part no),

( Target Component or Part no).

OK.

36

30. Delete Contact Entities for LS-DYNA Explicit

1.

-

Utelity Menu> File> Resume

Resume DataBase

C:\example1\

example1.db

Resume DataBase From .

Utility Menu> Plot> Nodes

31).

37

NPLOT,0

31 -




32 L1 ( ).

OK.

Lab2 Apply U,ROT on Lines ( 33

UY OY

VALUE 0

38

OK ( 34).

32

33. Apply U,ROT on Nodes

39

34

(component)


Component Manager

Create Component .

Create Component Nodes,

Pick Entities

(component)

NODES_FOR_LOADS).

OK.

c Reselect nodes 35),

L6 (

).

OK.

Create Component.

40

35



Add Add New Array Parameter ( 37 Par

LOAD_ARRAY

I ,J,K No. of row, column, planes).

-

Apply.

Add New Array Parameter Par TIME

41


OK.

36. Array Parameters

37. Add New Array Parameter

Array Parameters ( 36) LOAD_ARRAY Edit

Array Parameter LOAD_ARRAY ( 38

42

0

1

File> Apply/Quit

( 38).

38

Array Parameter LOAD_ARRAY

Array Parameters ( 36) TIME , Edit Array Parameter TIME

0

) 1

File> Apply/Quit

.

Close.

,


Specify Loads



43

Load Labels UY 0Y).

Component name or PART number

NODES_FOR_LOADS ( 39).


Parameter name for time values TIME ,

44

Parameter name for data values LOAD_ARRAY

.

Scale Factor for loading curve 0.003

OK ( 40).

40

NODE_ROR_LOAD

-

Utelity Menu> File> Save as

Save DataBase

C:\example1\

example1.db Save DataBase to

Yes No

2.

45

-

Utility Menu> File> Resume

Resume DataBase

C:\example2\

example2.db

Resume DataBase From

A1

Utility Menu> Select> Component

AREA_1 ( 41).

Select Component/Assembly .

Display Component/Assembly .

Component Manager.

A1 Utility Menu> Select> Entities .

41 Component Manager AREA_1

Select Entities Nodes ( 42).

46

Attached to ( 42).

( ) Areas, all ( 42).

Apply.

Plot.

Cancel ( 43).

42

47

43 A1

A1



Apply U,Rot on Nodes Pick All

Apply U,Rot on Nodes ( 44)

UX OK ( 45).

44 Apply U,Rot on Nodes

48

45

A1

4. A1

Utility Menu> Select> Everything

-

L50


LINE_50.



Component Manager. , L50,


Select Entities Nodes.

49

Attached to .

Lines, all .

Apply.

Plot.

OK ( 46).

46 L50

L50


Component Manager

Create Component .

Create Component ( 47Nodes

(component) NODES_FOR_LOAD).

OK.

Pick All Reselect nodes.

Component Manager.

50

47. Create Component

7. L50

0Y L50:





UY OK ( 49).


51

49

L50

8. L50


:

Utility Menu> Plot> Elements

EPLOT

EPLOT,All

52

50



Add Add New Array Parameter ( 37 Par

LOAD_ARRAY


Apply.

Add New Array Parameter Par TIME

I ,J,K No.

of row, column, planes).

OK.

Array Parameters LOAD_ARRAY, Edit

53

Array Parameter LOAD_ARRAY ( 38)

0

1

File> Apply/Quit

( 51).

51

Array Parameter LOAD_ARRAY

Array Parameters TIMEEdit Array Parameter TIME

0

) 1

File> Apply/Quit

.

Close.

,


Specify Loads


54

Specify Loads for LS_DYNA Expli it ( 39).

Load Labels UX 0X).

Component name or PART number ,

NODES_FOR_LOAD.

Parameter name for time values TIME ,

Parameter name for data values

LOAD_ARRAY

.

Scale Factor for loading curve -0.05

-0.1

OK ( 52).

52

NODE_ROR_LOAD

55

,

component)


component)

VOLUME_4 Select Component/Assembly ,

Display Component/Assembly Component Manager,

Component Manager ( 53).

53

(component


Select Entities

Elements

Attached to )

Volumes

From Full

Apply.

56

Plot.

Cancel ( 54).

54 V4


Component Manager

Create Component .

Create Component Elements

ELEMENTS_FOR_PART).

OK.

Pick All.

Component Manager.

V4

57


16. s

Main Menu> Preprocessor> LS-DYNA Options> Parts Options

Parts Data Written for LS-DYNA

Apply

EDPART Command

Add part.

OK.

Part ID Number 2 Element component

ELEMENTS_FOR_PART.

. EDPART Command

db-


Save DataBase

C:\example2\


Yes No

3.

db-


Resume DataBase

C:\example3\

58

example3.db


-

Utility Menu> Plot> Nodes

( 55).

NPLOT,1

55 -



59


Box 56).

OK.

57).

OK.

56 Apply U,ROT on Nodes

57

Lab2 Apply U,ROT on Nodes ( 58

ALL DOF

VALUE 0

60

OK ( 59).

58. Apply U,ROT on Lines

59

(component


61

Component Manager

Create Component .

Create Component Nodes,

Pick Entities

(component)

NODES_FOR_VELOCITY).

OK.

c Reselect nodes ,

60).

OK.

Create Component.

60


w/Nodal Rotate

62

Main Menu> Solution> Initial Velocity> On Nodes> w/Nodal Rotate

Input Velocity ( 61):

Input velocity on component

(component) NODES_FOR_VELOCITY

VY Global Y-component ( 61-1500 ( ).

OK.

61 Input Velocity

6.

Main Menu> Preprocessor> LS-DYNA Options> Contact> Define Contact

63


Contact Type Single Surface Auto 2-D (ASS2D).

OK.

62. Contact Parameter Definitions

64

7. -


Save DataBase

C:\example3\


Yes No

4.

-


Resume DataBase

C:\example4\

example4.db


L3


L3 ( 63).



Component Manager.

, L3, Utility Menu> Select> Entities .

65

63 Component Manager L3

Select Entities Nodes.

Attached to.

) Lines, all.

Apply.

Plot ( 64).

Cancel.

64 L3

66

L3





All DOF OK ( 66).


66

L3

67

4. L3


L7


L7.



Component Manager.

, L7, Utility Menu> Select> Entities

1. Select Entities Nodes .

2. Attached to .

3. Lines, all .

4. Apply. 5. Plot. 6. OK ( 67).

67 L7

68

L7





UX OK ( 69).


69

L7

69

7. L7


L8


L8.



Component Manager .



2. Attached to .

3. Lines, all .

4. Apply. 5. Plot. 6. OK ( 70).

70 L8

70

L8





UY 0Y OK ( 72).


72

L8

10. L8

71


L4


L4.



Component Manager.



2. Attached to .

3. Lines, all .

4. Apply. 5. Plot. 6. OK ( 73).

73 L4

72

(component

Utilit y Menu> Select> Component Manager

Component Manager

Create Component .

Create Component Nodes.

Pick Entities).

(component) NODES_FOR_LOAD).

OK.

Reselect nodes Pick All .

Create Component.

13. L4



Array Parameters:

Add Add New Array Parameter Par

LOAD

.


Apply.

Add New Array Parameter Par TIME )

73

,

.

OK.

Array Parameters LOADEdit Array Parameter LOAD

0

1

.

File> Apply/Quit

Array Parameter LOAD.

Array Parameters TIME Edit Array Parameter TIME 0

) 1

File> Apply/Quit

Array Parameter TIME .

Close.


Specify Loads



Load Labels UZ 0Z).

Component name or PART number NODES_FOR_LOAD

74).

74


Parameter name for time values TIME

Parameter name for data values LOAD

.

Scale Factor for loading curve -1.

OK.

-

75

Utility Menu> Plot> Elements

75).

EPLOT,ALL

75

-


Save DataBase

C:\example4\


Yes No

5.

-

76


Resume DataBase

C:\example5\

example5.db


Utili ty Menu> PlotCtrls> Numbering

Plot Numbering Controls (

KP Keypoint numbers.

LINE Line numbers.

NODE Node numbers.

OK.

/PNUM,KP,0

/PNUM,LINE,0

/PNUM,NODE,1

/REPLOT

77

76

(components


Component Manager

Create Component .

Create Component Nodes.

Pick Entities).

(component) NODE_2).

OK.

c Reselect nodes 2 ( 76).

OK.

Create Component .

Лекции По ls-dyna Часть 2

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