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**  Frequency extraction step using Lanczos
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*HEADING
Extract eigenmodes using Lanczos
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**  Model data for BIW
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*INCLUDE, input=biw_modeldata.inp
***-------------------------------------------------------------------------
**  STEP 1 - Eigenfrequency extraction 
***-------------------------------------------------------------------------
*STEP
*FREQUENCY, EIGENSOLVER=Lanczos, NSET=savenodes, NORM=Mass 
,,300.0
**
*RESTART, WRITE, FREQUENCY=1
*OUTPUT, FIELD
*NODE OUTPUT, Nset=savenodes
U
*PRINT, SOLVE=YES
*END STEP
**