This is an Eulerian mesh and a rigid plate. The keyword *INITIAL_VOLUME_FRACTION_GEOMETRY is used to define a metal cylinder inside the mesh. The cylinder is assigned an initial velocity and impacts the rigid plate.
*KEYWORD
*CONTROL_TERMINATION
1.0e-3
*CONTROL_TIMESTEP
0.0, 0.8
*DATABASE_BINARY_D3PLOT
1.0e-4
*CONTROL_ALE
0, 1, 2, -1.0
*ALE_MULTI-MATERIAL_GROUP
1, 1
2, 1
*MAT_VACUUM
1, 1.0
*MAT_PLASTIC_KINEMATIC
2, 8000.0, 200.0e9, 0.3, 200.0e6
*MAT_PLASTIC_KINEMATIC
3, 8000.0, 200.0e9, 0.3, 200.0e6
*SECTION_SOLID
1, 11
*SECTION_SOLID
2, 11
*SECTION_SHELL
3, 0
0.1, 0.1, 0.1, 0.1
*PART
1, 1, 1
*PART
2, 2, 2
*PART
3, 3, 3
*INITIAL_VOLUME_FRACTION_GEOMETRY
1, 1, 1
4, 0, 2
0.03, 0.0, 0.0, 0.18, 0.0, 0.0, 0.1, 0.1
*INITIAL_VELOCITY_GENERATION
1, 2, 0.0, 200.0, 0.0, 0.0
*CONSTRAINED_LAGRANGE_IN_SOLID
3, 1, 1, 1, 4, 4, 2, 1
0, 0, -1
*DEFINE_CURVE
1
0.0, 0.0
1.0e-3, 1.0e9
*NODE
$
*ELEMENT_SOLID
$
*ELEMENT_SHELL
$
*END
