Adaptive II
Thinning of a strip is modeled with three node shell elements. Adaptive mesh refinement with three refinement levels is used. Compare example thinning2.k for usage of four node elements. Download is available in the download section of this document
Keywords
*BOUNDARY_PRESCRIBED_MOTION_NODE *CONTROL_ADAPTIVE *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 *DEFINE_CURVE *ELEMENT_SHELL *END *KEYWORD *MAT_PLASTIC_KINEMATIC *NODE *PART *SECTION_SHELL *TITLE
Reduced Input
*KEYWORD
*control_adaptive
$ | | | | | | | |
2.e-3 20. 3 1
1 .095
*PART
1 1 1 0 0 0 1 0
*TITLE
adapt based on shell thinnig
*CONTROL_TERMINATION
0.0199800 0 0.0000000 0 0.0000000
*CONTROL_TIMESTEP
$ base timestep on char length = shortest side
0.0000000 0.6000000 2 0.0000000 0.0000000 0 0 0
*CONTROL_SHELL
0.0000000 0 0 1 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
2.00000-4 0
*DATABASE_BINARY_D3THDT
100.00000
*DATABASE_EXTENT_BINARY
0 0 0 0 0 0 0 0
0 0 0 0 0 0
*CONTROL_CPU
0.0000000
*MAT_PLASTIC_KINEMATIC
1 7.00000-3 3.00000+6 0.3000000 40000.000 2000.0000 0.0000000
0.0000000 0.0000000 0.0000000
*SECTION_SHELL
1 0 0.0000000 0.0000000 0.0000000 0.0000000 0
0.1000000 0.1000000 0.1000000 0.1000000 0.0000000
*NODE
$
*ELEMENT_SHELL
$
*DEFINE_CURVE
1 0 0.0000000 0.0000000 0.0000000 0.0000000
0.00000000E+00 0.00000000E+00
2.00200006E-02 1.70169997E+00
*BOUNDARY_PRESCRIBED_MOTION_NODE
$
*END
Figures
Animated Result
