Projectile Block
A quarter of a rigid projectile impacting an energy absorbing block is modeled. The block material is defined with a strain failure criteria, at failure strain of 0.150 elements are deleted. Eroding contact is employed.
https://www.dynaexamples.com/intro-by-j.-day/contact/projectile-block
https://www.dynaexamples.com/@@site-logo/LS-DYNA-Examples-Logo480x80.png
Projectile Block
A quarter of a rigid projectile impacting an energy absorbing block is modeled. The block material is defined with a strain failure criteria, at failure strain of 0.150 elements are deleted. Eroding contact is employed.
*CONTACT_ERODING_SURFACE_TO_SURFACE *CONTROL_CONTACT *CONTROL_CPU *CONTROL_DAMPING *CONTROL_ENERGY *CONTROL_OUTPUT *CONTROL_SHELL *CONTROL_TERMINATION *CONTROL_TIMESTEP *DATABASE_BINARY_D3PLOT *DATABASE_BINARY_D3THDT *DATABASE_EXTENT_BINARY *DATABASE_MATSUM *ELEMENT_SOLID *END *INITIAL_VELOCITY_NODE *KEYWORD *MAT_PIECEWISE_LINEAR_PLASTICITY *MAT_RIGID *NODE *PART *SECTION_SOLID *SET_PART *SET_SEGMENT *TITLE
*KEYWORD *database_matsum 7.e-6 *TITLE rigid bar impacting aluminum (typ 14 contact) *CONTROL_TERMINATION 7.00000-4 0 0.0000000 0 0.0000000 *CONTROL_TIMESTEP 0.0000000 0.9000000 0 0.0000000 0.0000000 0 0 0 *CONTROL_SHELL 0.0000000 0 0 0 0 0 0 *CONTROL_DAMPING 0 0.0000000 0.0000000 0.0000000 0.0000000 0 0.0000000 0 *CONTROL_CONTACT 0.0000000 0.0000000 0 0 0 0 0 0 0 0 0 0.0000000 0 0 0 *CONTROL_OUTPUT 0 0 0 0 0.0000000 0 0 *CONTROL_ENERGY 1 2 1 1 *DATABASE_BINARY_D3PLOT 2.00000-5 0 *DATABASE_BINARY_D3THDT 10.000000 *DATABASE_EXTENT_BINARY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 *CONTROL_CPU 0.0000000 *MAT_RIGID 1 7.73300-4 2.90000+7 0.3000000 0.0000000 0.0000000 0.0000000 0.0000000 0.0000000 0.0000000 0.0000000 0.0000000 0.0000000 0.0000000 0.0000000 0.0000000 0.0000000 0.0000000 *MAT_PIECEWISE_LINEAR_PLASTICITY 2 3.00000-4 1.00000+7 0.2000000 20000.000 1.00000+5 0.1500000 0.0000000 0.0000000 0.0000000 0 0 0.0000000 0.0000000 0.0000000 0.0000000 0.0000000 0.0000000 0.0000000 0.0000000 0.0000000 0.0000000 0.0000000 0.0000000 0.0000000 0.0000000 0.0000000 0.0000000 *SECTION_SOLID 1 0 *SECTION_SOLID 2 0 *PART 1 1 1 0 0 0 0 0 *PART 2 2 2 0 0 0 0 0 *NODE $ *ELEMENT_SOLID $ *INITIAL_VELOCITY_NODE $ $ INTERFACE NAME: 1 $$$ *CONTACT_ERODING_SURFACE_TO_SURFACE 1 2 2 2 0 0 0 0 0.0000000 0.0000000 0.0000000 0.0000000 0.0000000 0 0.0000000 0.0000000 0.0000000 0.0000000 0.0000000 0.0000000 0.0000000 0.0000000 1 1 *SET_PART 1 2 *SET_PART 2 1 *SET_SEGMENT $ $ Slave segments, surface: 1 $ 1 *SET_SEGMENT $ $ Master segments, surface: 1 $ 2 *END