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An example of a rectangular plate shows how to set up keywords for steady state dynamic (SSD) problems and how to start post-processing with *DATABASE_FREQUENCY. Example 5.1 from LS-Dyna training class NVH, Fatigue and Frequency Domain Analysis with LS-DYNA by Yun Huang.
Keywords
*CONTROL_IMPLICIT_EIGENVALUE
*CONTROL_IMPLICIT_GENERAL
*CONTROL_IMPLICIT_NONLINEAR
*CONTROL_SHELL
*DATABASE_FREQUENCY_ASCII_ELOUT_SSD
*DATABASE_FREQUENCY_ASCII_NODOUT_SSD
*DATABASE_FREQUENCY_BINARY_D3SSD
*DATABASE_HISTORY_NODE_SET
*DATABASE_HISTORY_SHELL_SET
*DEFINE_CURVE
*ELEMENT_SHELL
*END
*FREQUENCY_DOMAIN_SSD
*KEYWORD
*MAT_ELASTIC
*NODE
*PART
*SECTION_SHELL
*SET_NODE_LIST
*SET_SHELL_LIST
*TITLE
*TITLE
Benchmark example for SSD computation.
*FREQUENCY_DOMAIN_SSD
1 100 0. 2000. 0 0
0.01
131 0 3 0 100 200
*DATABASE_FREQUENCY_BINARY_D3SSD
1
10. 140. 14
*DATABASE_HISTORY_NODE_SET
2 0 0 0 0 0 0 0
*DATABASE_HISTORY_SHELL_SET
3 0 0 0 0 0 0 0
*CONTROL_IMPLICIT_EIGENVALUE
100 0.000 0 0.000 0 0.000 0 0.000
0 0 0 0 1
*CONTROL_IMPLICIT_GENERAL
1 1.000000 0 0 0 0 0 0
*CONTROL_IMPLICIT_NONLINEAR
1 0 0 0.000 0.000 0.000 0.000 0.000
0 0 0 0
0 0 0.000 1 2
*CONTROL_SHELL
20.000000 2 -1 0 2 2 1 0
1.000000 0 0 1 0 0 0 0
0 0 0
*PART
boxshell
1 1 1 0 0 0 0 0
*SECTION_SHELL
1 18 0.833000 3 3 0 0 0
0.002000 0.002000 0.002000 0.002000 0.000 0.000 0.000 0
*MAT_ELASTIC
1 7870.00002.0700E+11 0.292000 0.000 0.000 0
*DEFINE_CURVE
100 0 0.000 0.000 0.000 0.000 0
10.0000000 1.0000000
20.0000000 1.2000000
30.0000000 1.4000000
40.0000000 1.6000000
50.0000000 1.8000000
60.0000000 1.6000000
70.0000000 1.2000000
80.0000000 1.3000000
90.0000000 1.5500000
100.0000000 1.6500000
110.0000000 1.5500000
120.0000000 1.8500000
130.0000000 1.5500000
140.0000000 1.0500000
*DEFINE_CURVE
200 0 0.000 0.000 0.000 0.000 0
10.0000000 0.000
20.0000000 0.000
30.0000000 0.000
40.0000000 0.000
50.0000000 0.000
60.0000000 0.000
70.0000000 0.000
80.0000000 0.000
90.0000000 0.000
100.0000000 0.000
110.0000000 0.000
120.0000000 0.000
130.0000000 0.000
140.0000000 0.000
*SET_NODE_LIST
2 0.000 0.000 0.000 0.000
131 651 0 0 0 0 0 0
*SET_SHELL_LIST
3 0.000 0.000 0.000 0.000
96 313 518 0 0 0 0 0
*ELEMENT_SHELL
*NODE
*END
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