A cylindrical disk hits a deformable surface. Suitable contact algorithm is chosen. Example 16 from Introductory Manual for LS-DYNA Users by James M. Kennedy.
*CONTACT_2D_AUTOMATIC_NODE_TO_SURFACE *CONTROL_IMPLICIT_AUTO *CONTROL_IMPLICIT_DYNAMICS *CONTROL_IMPLICIT_GENERAL *CONTROL_IMPLICIT_SOLUTION *CONTROL_IMPLICIT_SOLVER *CONTROL_TERMINATION *DATABASE_BINARY_D3PLOT *DATABASE_GLSTAT *DATABASE_HISTORY_NODE *DATABASE_MATSUM *DATABASE_NODOUT *DATABASE_RCFORC *DEFINE_CURVE *ELEMENT_BEAM *ELEMENT_DISCRETE *ELEMENT_SHELL *END *KEYWORD *LOAD_BODY_Y *MAT_RIGID *MAT_SPRING_ELASTIC *NODE *PART *SECTION_BEAM *SECTION_DISCRETE *SECTION_SHELL *SET_NODE_LIST *TITLE
*KEYWORD
*TITLE
Transient Response of a Cylindrical Disk Impacting a Flexible Surface
*CONTROL_IMPLICIT_DYNAMICS
1 0.500000 0.250000
*CONTROL_IMPLICIT_AUTO
1 11 5 1.00e-06 1.00e-04
*CONTROL_IMPLICIT_GENERAL
1 0.000100 0 0 0
*CONTROL_IMPLICIT_SOLVER
4 2 2 0 1 0 1 0
2
*CONTROL_IMPLICIT_SOLUTION
2 11 15 0.0010 0.0100 1.00e+10 0.900000 1.00e-10
2 1 1 2
0 1 0.0 1 2
*CONTROL_TERMINATION
0.1100
*DATABASE_GLSTAT
1.0000e-04 1
*DATABASE_MATSUM
1.0000e-04 1
*DATABASE_RCFORC
1.0000e-04 1
*DATABASE_NODOUT
1.0000e-04 1
*DATABASE_BINARY_D3PLOT
1.0000e-03
*DATABASE_HISTORY_NODE
166 1001
*PART
1 1 1
*SECTION_SHELL
1 13 0 4
1.0000 1.0000 1.0000 1.0000
*MAT_RIGID
1 3.9952831 3.00e+07 0.3000 0.0 0.0 0.0 0.0
1.0000 6.0 7.0
0.0 0.0 0.0 0.0 0.0 0.0
*PART
2 2 2
*SECTION_DISCRETE
2 0 0 0 0.0 0.0
0.0 0.0
*MAT_SPRING_ELASTIC
2 1973.9200
*PART
3 3 3
*SECTION_BEAM
3 7 1.0000 1.0000 0.0000
0.1000 0.1000
*MAT_RIGID
3 1.00e-07 3.00e+07 0.3000 0.0 0.0 0.0 0.0
1.0000 6.0 7.0
0.0 0.0 0.0 0.0 0.0 0.0
*ELEMENT_BEAM
1002 3 1003 1001
1003 3 1001 1004
*ELEMENT_DISCRETE
1001 2 1001 1002 0 1.0 0 0.0
*ELEMENT_SHELL
*NODE
*CONTACT_2D_AUTOMATIC_NODE_TO_SURFACE
-2 -1 0.10 0 0 0 0 0
0 0 0 0 0 0 0 0
2
*SET_NODE_LIST
1
1003 1001 1004
*SET_NODE_LIST
2
155 166 177
*LOAD_BODY_Y
1 1.0
*DEFINE_CURVE
1 0 1.0000 1.0000 0.0 0.0
0.000 0.000
0.001 386.00
1.000 386.00
*END
