$nastran system(86)=6 $file alter2h1.dat - read data for se 7 from exterior file - $ automatic attachment $ $ file with data = outfile.dat - created by alter1h1.dat assign inputt2='out21.out', unit=21 assign inputt2='out22.out', unit=22 assign inputt2='out23.out', unit=23 assign inputt2='out24.out', unit=24 assign inputt2='out25.out', unit=25 assign inputt2='out26.out', unit=26 assign inputt2='out27.out', unit=27 $ Superelement dynamic reduction - using PARTs $ ID SE, SAMPLE PROBLEM DYNAMICS - SHOW DIFFERENT REDUCTION METHODS SOL 103 TIME 15 $diag 8,14,15,56 $ $ include 'alter2ha.v707' CEND TITLE = S.E. SAMPLE PROBLEM 1 - NORMAL MODES - alter2h1 - with alter SUBTITLE = S.E. DYNAMICS - bring in se 7 generated in alter1h1 DISP = ALL PARAM,GRDPNT,0 $ $SEALL = 7 $ SUBCASE 1 SET 12 = 1,2 SUPER = 12 LABEL = MODAL SYNTHESIS FOR S.E. 1 & 2 METHOD = 1 $ SUBCASE 2 SET 13 = 3,4 SUPER = 13 LABEL = STATIC REDUCTION FOR S.E. 3 & 4 $ SUBCASE 3 SET 15 = 5,6 SUPER = 15 LABEL = S.E. 5 & 6 $ SUBCASE 4 SUPER = 7 stress = all LABEL = COMPONENT MODE REDUCTION ONLY FOR S.E. 7 METHOD = 1 $ SUBCASE 5 LABEL = RES STR - SOLVE PROBLEM FOR SYSTEM MODES METHOD = 2 $ OUTPUT(PLOT) $ $ PLOT SYSTEM MODES $ SEUPPLOT 0 SET 1 = ALL AXES Z,X,Y VIEW 0.,0.,0. FIND SCALE, ORIGIN 1, SET 1 PLOT MODAL DEFORMATION, SET 1, ORIGIN 1 $ AXES X,MZ,Y FIND SCALE, ORIGIN 1, SET 1 PLOT MODAL DEFORMATION, SET 1, ORIGIN 1 $ BEGIN BULK $ main bulk data section $ ASsign 20 Q-set dof to each superelement $ SENQSET,ALL,20 $ EIGRL,2,,200. CQUAD4 5 1 13 14 24 23 GRDSET 6 GRID 13 -.4 3.6 0. GRID 14 .4 3.6 0. GRID 23 -.4 4.4 0. GRID 24 .4 4.4 0. MAT1,1,30.+6,,.3,.283 PSHELL,1,1,.05,1,,1 $ begin super=1 param,infile,21 begin super=2 param,infile,22 begin super=3 param,infile,23 begin super=4 param,infile,24 begin super=5 param,infile,25 begin super=6 param,infile,26 begin super=7 param,infile,27 ENDDATA