There are a few final steps required to make the bulk data file compatible for use with Simulation Composite Analysis.
CONNECT SERVICE asca 'autodesk.asca'
GENUDS, ascaPlace the CONNECT SERVICE entry above the SOL 400 entry and place the GENUDS entry below the NLOUT entry.
NASTRAN SYSTEM(444) = 1 NASTRAN SYSTEM(151) = 1 CONNECT SERVICE asca 'autodesk.asca' SOL 400 CEND SUBCASE 1 NLSTEP = 1 SPC = 2001 DISP = ALL GPFORCE = ALL NLSTRESS(PLOT,NLOUT=101) = ALL BEGIN BULK $ PARAM, POST, 1 $ NLSTEP, 1, 1.0 , GENERAL, 1000, , FIXED, 100, , MECH, PV, , 0.005 $ NLOUT, 101, , ESV, SV2 $ GENUDS, asca $ UDSESV, , 8 $ MATUSR, 9025, 1, 23 MATUDS, 9025, MATUSR, asca, UMAT , REAL, 3, 1, 1, 0, 0, 0, 0, , , 0, 0, 0, 0, 0.1, 1E-06 MAT1, 9025, 1.806E+07