Pipe Whip
This problem illustrates a high speed, large deformation event with contact. Example 26 from Introductory Manual for LS-DYNA Users by James M. Kennedy.
https://www.dynaexamples.com/introduction/Introduction/example-26
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Pipe Whip
This problem illustrates a high speed, large deformation event with contact. Example 26 from Introductory Manual for LS-DYNA Users by James M. Kennedy.
*BOUNDARY_SPC_SET *CONSTRAINED_EXTRA_NODES_SET *CONTACT_AUTOMATIC_SURFACE_TO_SURFACE_TITLE *CONTROL_CONTACT *CONTROL_ENERGY *CONTROL_TERMINATION *CONTROL_TIMESTEP *DATABASE_BINARY_D3PLOT *DATABASE_GLSTAT *DATABASE_MATSUM *DATABASE_SLEOUT *ELEMENT_SHELL *END *HOURGLASS *HOURGLASS *INITIAL_VELOCITY_GENERATION *KEYWORD *MAT_PLASTIC_KINEMATIC *MAT_RIGID *NODE *PART *SECTION_SHELL *SET_NODE_LIST *SET_NODE_LIST_TITLE *TITLE
*KEYWORD
*TITLE
Pipe Whip
*CONTROL_TERMINATION
0.015000 0 0.0 0.0 0.0
*CONTROL_TIMESTEP
0.0 0.900000
0.0 0 0
*CONTROL_CONTACT
1.000000 0.0 2 2 0 0 1
0 0 0 0 4.000000
0.0 0.0 0.0 0.0 0.0 0.0 0.0
0 0 0
*CONTROL_ENERGY
2 2 2 2
*DATABASE_GLSTAT
1.0000e-05 1
*DATABASE_MATSUM
1.0000e-05 1
*DATABASE_SLEOUT
1.0000e-05 1
*DATABASE_BINARY_D3PLOT
2.5000e-04
*PART
1 1 1 0 1
*SECTION_SHELL
1 16 0.83333 5.0 1 0.0 0 1
0.432000 0.432000 0.432000 0.432000 0 0.0
*MAT_PLASTIC_KINEMATIC
1 7.324e-04 3.000e+07 0.300000 4.500e+04 0.0 0.0
0.0 0.0 0.0 0.0
*HOURGLASS
1 0 0.0 0 0.0 0.0 0.0 0.0
*PART
2 2 2 0 2 0 1
*SECTION_SHELL
2 16 0.83333 5.0 1 0.0 0 1
0.432000 0.432000 0.432000 0.432000 0 0.0
*MAT_PLASTIC_KINEMATIC
2 7.324e-04 3.000e+07 0.300000 4.500e+04 0.0 0.0
0.0 0.0 0.0 0.0
*HOURGLASS
2 0 0.0 0 0.0 0.0 0.0 0.0
*PART
99 99 99
*SECTION_SHELL
99 2 0.83333 1.0 1 0.0 0 1
0.432000 0.432000 0.432000 0.432000 0 0.0
*MAT_RIGID
99 7.324e-04 3.000e+07 0.300000 0.0 0.0 0.0
1.000000 7 5
0.0 0.0 0.0 0.0 0.0 0.0
*CONSTRAINED_EXTRA_NODES_SET
99 99
*SET_NODE_LIST_TITLE
rigid ring of nodes
99 0.000 0.000 0.000 0.000MECH
8041 8042 8043 8044 8045 8046 8047 8048
8049 8050 8051 8052 8053 8054 8055 8056
8057 8058 8059 8060 8061 8062 8063 8064
8065 8066 8067 8068 8069 8070 8071 8072
8073 8074 8075 8076 8077 8078 8079 8080
*INITIAL_VELOCITY_GENERATION
2 2 75.000 0.0 0.0 0.0 0 0
25.000000 50.000000 6.725000 1.000000 0.0 0.0 0 0
*CONTACT_AUTOMATIC_SURFACE_TO_SURFACE_TITLE
1
1 2 3 3 0 0 0 0
0.0 0.0 0.0 0.0 0.0 0 0.0 0.0
0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
2 0.100000 0 1.025 0.0 2 10 1
0.0 0 1 0 0 0 0.0 0.0
2 0
*ELEMENT_SHELL
*NODE
*SET_NODE_LIST
1 0.000 0.000 0.000 0.000MECH
1 2 3 4 5 6 7 8
9 10 11 12 13 14 15 16
17 18 19 20 21 22 23 24
25 26 27 28 29 30 31 32
33 34 35 36 37 38 39 40
*SET_NODE_LIST
2 0.000 0.000 0.000 0.000MECH
4001 4002 4003 4004 4005 4006 4007 4008
4009 4010 4011 4012 4013 4014 4015 4016
4017 4018 4019 4020 4021 4022 4023 4024
4025 4026 4027 4028 4029 4030 4031 4032
4033 4034 4035 4036 4037 4038 4039 4040
*BOUNDARY_SPC_SET
1 0 1 1 1 1 1 1
*BOUNDARY_SPC_SET
2 0 1 1 1 1 1 1
*END