200 M&M Packing

Purpose:

Easy Setup for LS-Dyna to simulate the packing behavior of 200 M&M particles.

Step 1:

Open 200MM.K.

200MM.K

 

Step 2:

Open Granular Flow Interface.

Step 3:

1. Right click on the Equipment List.

2. From the menu Click Add Parts as Equipments.

3. From the popup list, Select "201 filter". Click Add

4. Active "201 filter" from the list.

5. Click Section "+", Double Click "SOLID", Click NewID, Click Accept

6. Click Material "+", Double Click "020-RIGID", Click NewID, Enter values as follow.

RO = 1.30E-4

E = 9.15

PR = 0.3

CMO=1.0

CON1 = 7

CON2 = 7

7. Click Accept.

8. Click Save.

Equipment

Step 4:

1. Switch to Particle Genre

2. From the menu Click Add Parts as Particles.

3. From the popup list, Select "202 particle genre ". Click Add

4. Active "202 particle genre" from the list.

5. Click Section "+", Double Click "SOLID", Click NewID, Click Accept

6. Click Material "+", Double Click "020-RIGID", Click NewID, Default, Enter values as follow.

RO = 0.001325

E = 1.0E+6

PR = 0.3

7. Click Accept.

8. Click Save.

Particle Genre

Step 5:

1. Switch to Maker Define

2. Click Add

3. Active Maker_1 in the Maker List , Enter values as follow

Location, Y = 50

Rotation, X = -90

4. Select Rectangle , Enter values as follow

Length = 30

Width = 30

5. Check 3D, Enter values as follow

Height = 350

6. Click Save.

7. Zoom in

Maker

Step 6:

1. Switch to Maker-ParticleGenre

2. Select Maker_1 on the Maker-Parrticle List

3. Right Mouse Click on Maker_1.

4. Click Add Particle from the popup menu.

5. Select "particle genre" from the popup list.

6. Click Add

7. Click Default

8. Switch to Maker Info

9. Acceleration - Select Y

10. Click Create

Maker-ParticleGenre

Step 7:

1. Switch to Contacts

2. Select "filter", "Maker_1" from the Slave Parts list

3. Enter following values

FS = 0.3

FD = 0.3

VDC = 50

4. Click Add

Contacts

Step 8:

1. Switch to Simulation

2. Enter following values

Termination Time = 0.5

Num of Output D3plot = 100

3. Click Time Step Curve ID "+"

4. Double click "CURVE"

5. NewID

6. Enter A1 = 0, O1 = 1.0E-5, Insert

7. Enter A1 = 1.0E+6, O1 = 1.0E-5, Insert

8. Accept

Simulation Control

Step 9:

1. Click Job info to review what had been done.

2. Click Output

Output

3. Click Output

Step 10:

1. Open a new session of LS-PrePost

2. Open ls_pg.k, which is outputed at step 9.

Result

 

3. Run LS-Dyna with ls_pg.k