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Crushing of a beer can done using implicit analysis. Nonlinear Example 2 from A Roadmap to Linear an Nonlinear Implicit Analysis in LS-DYNA by George Laird and Satish Pathy.
Keywords
*BOUNDARY_SPC_NODE
*CONTACT_AUTOMATIC_SINGLE_SURFACE_MORTAR_ID
*CONTROL_ACCURACY
*CONTROL_IMPLICIT_AUTO
*CONTROL_IMPLICIT_DYNAMICS
*CONTROL_IMPLICIT_GENERAL
*CONTROL_IMPLICIT_SOLUTION
*CONTROL_SHELL
*CONTROL_TERMINATION
*DATABASE_BINARY_D3PLOT
*DATABASE_EXTENT_BINARY
*DATABASE_GLSTAT
*DATABASE_SPCFORC
*DEFINE_CURVE_TITLE
*ELEMENT_SHELL
*END
*KEYWORD
*LOAD_NODE_POINT
*MAT_ELASTIC_TITLE
*NODE
*PART
*SECTION_SHELL_TITLE
*TITLE
*KEYWORD
*TITLE
Roadmap Linear and Nonlinear Analyses - Buckling of Beer Can
*CONTACT_AUTOMATIC_SINGLE_SURFACE_MORTAR_ID
1Single-Surface Mortar Contact (The New Explicit/Implicit Standard)
*CONTROL_ACCURACY
1
*CONTROL_IMPLICIT_AUTO
1 0.01
*CONTROL_IMPLICIT_DYNAMICS
1 0.6 0.38
*CONTROL_IMPLICIT_GENERAL
1 0.01
*CONTROL_IMPLICIT_SOLUTION
2
*CONTROL_SHELL
2 -16
1
1
*CONTROL_TERMINATION
1.0
*DATABASE_GLSTAT
1.0E-4 3
*DATABASE_SPCFORC
1.0E-4 3
*DATABASE_BINARY_D3PLOT
1.0E-4
*DATABASE_EXTENT_BINARY
-3
*PART
1 1 1 0 0 0 0 0
*SECTION_SHELL_TITLE
Beer Can
1 -16 0.8333 3
0.002
*PART
2 2 1
*SECTION_SHELL_TITLE
Floor - Just for Contact (Rigid Wall Would Have Worked Also)
2 -16 0.833
0.01
*MAT_ELASTIC_TITLE
Aluminum
1 2.59E-4 1.0E7 0.33
*DEFINE_CURVE_TITLE
Load vs. Time
1
0.0 0.0
1.0 1.0
*LOAD_NODE_POINT
*ELEMENT_SHELL
*NODE
*BOUNDARY_SPC_NODE
*END
Animated Result
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