ASSIGN OUTPUT4='gpsc_fem.op4' UNIT=13, DELETE
ASSIGN MASTER ='gpsc_fem.MASTER', DELETE
ASSIGN DBALL ='gpsc_fem.DBALL', DELETE
$
SOL 103 $ Normal modes
$
$ Write modal data
$
INCLUDE 'write_modes.v2001'
$
CEND
TITLE =GENERAL PURPOSE SPACECRAFT (GPSC)
SUBTITLE =FINITE ELEMENT MODEL (FEM)
$
SPC = 10 $ Constrain booster interface points
METHOD = 70 $ Modes to 70 Hz
$
DISP(PLOT) = ALL $ Recover but do not print mode shapes
$
BEGIN BULK
$
PARAM WTMASS .00259
PARAM OMODES 13
PARAM POST -2
$
EIGRL 70 1.0 70.0
$
$ Spacecraft bulk data
$
INCLUDE 'gpsc.blk'
INCLUDE 'gpsc.prp'
$
ENDDATA