SSD with a wheel rim

This example shows how to run SSD for an industrial problem. A wheel rim model with base acceleration excitation is analysed. Example 5.3 from LS-DYNA training class NVH, Fatigue and Frequency Domain Analysis with LS-DYNA by Yun Huang.

*BOUNDARY_SPC_SET
*CONTROL_IMPLICIT_EIGENVALUE
*CONTROL_IMPLICIT_GENERAL
*CONTROL_SHELL
*CONTROL_TERMINATION
*DATABASE_BINARY_D3PLOT
*DATABASE_EXTENT_BINARY
*DATABASE_FREQUENCY_BINARY_D3SSD
*DATABASE_HISTORY_NODE_SET
*DEFINE_CURVE
*ELEMENT_SHELL
*END
*FREQUENCY_DOMAIN_SSD
*KEYWORD
*MAT_ELASTIC_TITLE
*NODE
*PART
*SECTION_SHELL_TITLE
*SET_NODE_LIST
*SET_NODE_LIST_TITLE
*TITLE

*KEYWORD
*TITLE
NCAC 2001 Taurus Wheel Rim
*FREQUENCY_DOMAIN_SSD
                            0.     3000.         0         0
      0.01

                             3         3       100
*DATABASE_EXTENT_BINARY
         0         0         0         1         0         0         0         0
         0         0         0         0         0         0         0         0
         0         0  1.000000         0         0         0    STRESS    STRESS
*DATABASE_FREQUENCY_BINARY_D3SSD
         1 
       10.     2000.       200
*NODE
*DATABASE_BINARY_D3PLOT
  1.000000         0         0         0         0
         0
*SECTION_SHELL_TITLE
SectShll_2000582
         1        20     0.833         3         1         0         0         1
  2.500000  2.500000  2.500000  2.500000     0.000     0.000     0.000         0
*CONTROL_SHELL
 20.000000         2        -1         0         2         2         1         0
  1.000000         1         0         1         0         0         0         0
         0         0         0         0         2
*CONTROL_IMPLICIT_EIGENVALUE
       100     0.000         0     0.000         0     0.000         2     0.000
         0         0         0         0         1         0
*CONTROL_IMPLICIT_GENERAL
         1  1.000000         2         0         2         0         0         0
*CONTROL_TERMINATION
  1.000000         0     0.000     0.000     0.000
*ELEMENT_SHELL
*SET_NODE_LIST
         1     0.000     0.000     0.000     0.000          
       233       320       830       822      1042         0         0         0
*SET_NODE_LIST_TITLE
SPC
         2     0.000     0.000     0.000     0.000
       938     10174       927     10130       348     11813       349     11614
       350     11618       351     11649       319     11459     11783       206
       205     11787       207     11816       208     11793       204     11740
       236     11736       235     10135       928     10140       929     10144
       930     10148       931     10152       932     10156       933     10160
       934     10163       935     10166       936     10169       937     10172
*DATABASE_HISTORY_NODE_SET
         1         0         0         0         0         0         0         0
*DEFINE_CURVE
       100         0     0.000    9.81e3     0.000     0.000         0
          10.0000000            1.000000
        2000.0000000            1.000000
*BOUNDARY_SPC_SET
         2         0         1         1         1         1         1         1
*MAT_ELASTIC_TITLE
MATL1_2000646
         1 1.4200E-8 2.1000E+5  0.300000     0.000     0.000         0
*PART
MC - rim - front- R
         1         1         1         0         0         0         0         0
*END