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This is a first example of a cantilever beam with concentrated mass subjected to power spectral density. *DATABASE_FREQUENCY_BINARY_D3PSD and *DATABASE_FREQUENCY_BINARY_D3RMS are defined to get output. Example 6.2 from LS-Dyna training class NVH, Fatigue and Frequency Domain Analysis with LS-DYNA by Yun Huang.
Keywords
*BOUNDARY_SPC_NODE
*CONTROL_IMPLICIT_EIGENVALUE
*CONTROL_IMPLICIT_GENERAL
*CONTROL_SOLUTION
*CONTROL_TERMINATION
*DATABASE_BINARY_D3PLOT
*DATABASE_EXTENT_BINARY
*DATABASE_FREQUENCY_BINARY_D3PSD
*DATABASE_FREQUENCY_BINARY_D3RMS
*DATABASE_HISTORY_BEAM
*DATABASE_HISTORY_NODE
*DATABASE_SPCFORC
*DEFINE_CURVE_TITLE
*ELEMENT_BEAM_ORIENTATION
*ELEMENT_MASS
*END
*FREQUENCY_DOMAIN_RANDOM_VIBRATION
*KEYWORD
*MAT_ELASTIC
*NODE
*PART
*SECTION_BEAM_TITLE
*TITLE
*KEYWORD
*TITLE
PSD of Simple Beam with End Mass
*FREQUENCY_DOMAIN_RANDOM_VIBRATION
1 1
0.0238
1 1
2 1
*DATABASE_FREQUENCY_BINARY_D3PSD
1
80. 120. 401
*DATABASE_FREQUENCY_BINARY_D3RMS
1
*CONTROL_IMPLICIT_EIGENVALUE
1 0.000 0-1.000E+29 01.0000E+29 2 0.000
0 0 0 0 1
*DATABASE_HISTORY_NODE
1 2 3 4 5
*DATABASE_HISTORY_BEAM
1 2 4 5 6
*CONTROL_IMPLICIT_GENERAL
1 1.000000 2 1 2 0 0 1
*CONTROL_SOLUTION
0 0 0 0
*CONTROL_TERMINATION
1.000000 0 0.000 0.000 0.000
*DATABASE_SPCFORC
0.100000 0 0 1
*DATABASE_BINARY_D3PLOT
0.100000 0 0 0 0
0
*DATABASE_EXTENT_BINARY
0 0 3 0 1 1 1 1
0 0 0 1 1 1 2 1
0 0 1.000000 0 0 0STRESS STRESS
*BOUNDARY_SPC_NODE
1 0 1 1 1 1 1 1
*PART
FEMAP Property 1 Beam
1 1 1 0 0 0 0 0
*SECTION_BEAM_TITLE
0.25x2" Beam Cross-Section
1 1 0.853430 5 0 0.000 0.000
0.250000 0.250000 2.000000 2.000000 0.000 0.000
*MAT_ELASTIC
1 0.000 1.0000E+7 0.330000 0.000 0.000 0
*DEFINE_CURVE_TITLE
PSD Curve
1 0 1.000000 1.000000 0.000 0.000 0
80.0000000 29800.000000
120.0000000 29800.000000
*ELEMENT_BEAM_ORIENTATION
*ELEMENT_MASS
3 2 0.0012953 0
*NODE
*END
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