This is a model of a rubber boot with grease particles covering a rigid rod. The rubber boot and the rod are modeled with solid elements, the grease is discretized using SPH method.
*BOUNDARY_PRESCRIBED_MOTION_RIGID *CONSTRAINED_RIGID_BODIES *CONTACT_AUTOMATIC_NODES_TO_SURFACE *CONTROL_CONTACT *CONTROL_ENERGY *CONTROL_HOURGLASS *CONTROL_OUTPUT *CONTROL_SPH *CONTROL_TERMINATION *CONTROL_TIMESTEP *DATABASE_BINARY_D3PLOT *DATABASE_EXTENT_BINARY *DATABASE_GLSTAT *DATABASE_MATSUM *DATABASE_RBDOUT *DATABASE_RCFORC *DATABASE_SLEOUT *DEFINE_CURVE *ELEMENT_SOLID *ELEMENT_SPH *END *EOS_GRUNEISEN *INITIAL_VELOCITY_GENERATION *KEYWORD 30000000 *MAT_MOONEY-RIVLIN_RUBBER *MAT_NULL *MAT_RIGID *NODE *PART *SECTION_SOLID *SECTION_SPH *SET_NODE_LIST_GENERATE *SET_PART_LIST *TITLE
*KEYWORD 30000000
$ mm ms MPa g
*TITLE
SPIN TEST RUBBER BOOT
*CONTROL_TERMINATION
100.000000 0 0.0000000 0 0.0000000
*CONTROL_TIMESTEP
0.0000000 0.9000000 0 0.0000000 0.0000000 0 0 0
*CONTROL_CONTACT
0.0000000 0.0000000 0 0 0 0 0
0 0 0 0 0.0000000 0 0 0
*CONTROL_OUTPUT
0 0 0 0 0.0000000 0 0
*CONTROL_ENERGY
2 2 2 1
*CONTROL_HOURGLASS
0
*CONTROL_SPH
1
*DATABASE_BINARY_D3PLOT
1.0000000
*DATABASE_EXTENT_BINARY
0 0 0 0 0 0 0 0
0 0 0 0 0 0
*DATABASE_GLSTAT
0.2500000
*DATABASE_MATSUM
0.2500000
*DATABASE_RBDOUT
0.2500000
*DATABASE_RCFORC
0.2500000
*DATABASE_SLEOUT
0.2500000
*MAT_MOONEY-RIVLIN_RUBBER
1 1.32000-3 0.4950000 0.4367550 0.0267990
*MAT_RIGID
2 7.85000-3 5.0000000 0.4000000 0.0000000 0.0000000 0.0000000
1.0000000 7.0000000 5.0000000
0.0000000 0.0000000 0.0000000 0.0000000 0.0000000 0.0000000 0.0000000 0.0000000
*MAT_RIGID
3 7.85000-3 5.0000000 0.4000000 0.0000000 0.0000000 0.0000000
1.0000000 7.0000000 5.0000000
0.0000000 0.0000000 0.0000000 0.0000000 0.0000000 0.0000000 0.0000000 0.0000000
*MAT_RIGID
4 7.85000-3 5.0000000 0.4000000 0.0000000 0.0000000 0.0000000
1.0000000 7.0000000 5.0000000
0.0000000 0.0000000 0.0000000 0.0000000 0.0000000 0.0000000 0.0000000 0.0000000
*MAT_NULL
101 0.93000-3-1.00000-1 0.0000000 0.0000000 0.0000000 0.0000000
*EOS_GRUNEISEN
101 1647.0000 2.4800000
*SECTION_SOLID
1 2
*SECTION_SOLID
2 0
*SECTION_SOLID
3 0
*SECTION_SOLID
4 0
*SECTION_SPH
101 1.2000000
*SECTION_SPH
102 1.2000000
*SECTION_SPH
103 1.2000000
*PART
Rubber boot
1 1 1 0 0 0 0 0
*PART
Shaft
2 2 2 0 0 0 0 0
*PART
Bowl
3 3 3 0 0 0 0 0
*PART
Shaft/bowl
4 4 4 0 0 0 0 0
*PART
Grease particle
101 101 101 101 0 0 0 0
*PART
Grease particle
102 102 101 101 0 0 0 0
*PART
Grease particle
103 103 101 101 0 0 0 0
*DEFINE_CURVE
1 0 0.0000000 0.0000000 0.0000000 0.0000000
0.00000000E+00 0.209439510000
1.00000000E+05 0.209439510000
*INITIAL_VELOCITY_GENERATION
0 0 0.2094395 0.00 0.00 0.00
0.00 0.00 0.00 1.00 0.00 0.00
*CONSTRAINED_RIGID_BODIES
4 2
4 3
*BOUNDARY_PRESCRIBED_MOTION_RIGID
4 5 0 1 1.00
*SET_PART_LIST
1
1 2
*CONTACT_AUTOMATIC_NODES_TO_SURFACE
101 1 4 2
0.2000000 0.2000000 0.0000000 0.0000000 5.0000000 1 0.0000000 0.0000000
0.0000000 0.0000000 0.5000000 0.0000000 0.0000000 0.0000000
1 0.25 3
*CONTACT_AUTOMATIC_NODES_TO_SURFACE
102 1 4 3
0.2000000 0.2000000 0.0000000 0.0000000 5.0000000 1 0.0000000 0.0000000
0.0000000 0.0000000 0.5000000 0.0000000 0.0000000 0.0000000
1 0.25 3
*CONTACT_AUTOMATIC_NODES_TO_SURFACE
103 1 4 3
0.2000000 0.2000000 0.0000000 0.0000000 5.0000000 1 0.0000000 0.0000000
0.0000000 0.0000000 0.5000000 0.0000000 0.0000000 0.0000000
1 0.25 3
*NODE
$
*ELEMENT_SOLID
$
*NODE
$
*SET_NODE_LIST_GENERATE
101
1000001 1011228
*ELEMENT_SPH
$
*NODE
$
*SET_NODE_LIST_GENERATE
102
2000001 2005512
*ELEMENT_SPH
$
*NODE
$
*SET_NODE_LIST_GENERATE
103
3000001 3003108
*ELEMENT_SPH
$
*END
