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This is a small idealized Eulerian bird strike model. Element formulation 12 with a single material and void is used. Mesh control is done by *ALE_REFERENCE_SYSTEM_GROUP command.
Keywords
*ALE_REFERENCE_SYSTEM_GROUP
*CONSTRAINED_LAGRANGE_IN_SOLID
*CONTROL_ALE
*CONTROL_ENERGY
*CONTROL_TERMINATION
*CONTROL_TIMESTEP
*DATABASE_BINARY_D3PLOT
*DATABASE_GLSTAT
*DATABASE_MATSUM
*ELEMENT_SHELL
*ELEMENT_SOLID
*END
*EOS_LINEAR_POLYNOMIAL
*INITIAL_VELOCITY
*INITIAL_VOID_PART
*KEYWORD
*MAT_ELASTIC
*MAT_NULL
*NODE
*PART
*SECTION_SHELL
*SECTION_SOLID
*SET_NODE_LIST_GENERATE
*SET_PART_LIST
*TITLE
*KEYWORD
*TITLE
Bird
*ALE_REFERENCE_SYSTEM_GROUP
1 0 4 0 3 7
*SET_PART_LIST
1
4 5
*CONSTRAINED_LAGRANGE_IN_SOLID
3 1 1 0 2 4 2 1
*CONTROL_ALE
0 1 1 -1.0
*CONTROL_TERMINATION
0.6000000
*CONTROL_TIMESTEP
0.0000000 0.7000000
*CONTROL_ENERGY
2 2 1 1
*DATABASE_BINARY_D3PLOT
0.0200000
*DATABASE_GLSTAT
0.0010000
*DATABASE_MATSUM
0.0010000
*MAT_ELASTIC
1 1.0000000 1.00000+4 0.0000000
*MAT_NULL
2 0.781 -10.0 0.10
*EOS_LINEAR_POLYNOMIAL
2 0.0 10.0
*SECTION_SHELL
1
0.1000000 0.1000000 0.1000000 0.1000000
*SECTION_SOLID
2 12
*INITIAL_VOID_PART
4
*PART
3 1 1 0 0 0 0 0
*PART
4 2 2 2 0 0 0 0
*PART
5 2 2 2 0 0 0 0
*INITIAL_VELOCITY
95
5.,-1.,0.,0.,0.,100.
*SET_NODE_LIST_GENERATE
95
1569,3136
*NODE
$
*ELEMENT_SOLID
$
*ELEMENT_SHELL
$
*END
Animated Result
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