*HEADING Full model: FAN=HUB+4xBLADES Frequency analysis ** *RESTART,WRITE,FREQUENCY=1 ** ** NODE DEFINITION: HUB+BLADE ** Nodes for the hub: 1--90 ** *NODE 1, 3.50000, 3.00000, 4.00000 3, 3.46638, 3.18024, 4.00000 7, 3.18024, 3.46638, 4.00000 9, 3.00000, 3.50000, 4.00000 ** 28, 6.00000, 3.00000, 4.00000 30, 5.79830, 4.08144, 4.00000 34, 4.08144, 5.79830, 4.00000 36, 3.00000, 6.00000, 4.00000 ** 82, 6.00000, 3.00000, 0.00000 84, 5.79830, 4.08144, 0.00000 88, 4.08144, 5.79830, 0.00000 90, 3.00000, 6.00000, 0.00000 ** 9998, 3.00000, 3.00000, 4.00000 9999, 3.00000, 3.00000, 0.00000 *NGEN,LINE=C,NSET=NHUB 1,3,1,9998 3,7,1,9998 7,9,1,9998 *NGEN,LINE=C,NSET=RINGF 28,30,1,9998 30,34,1,9998 34,36,1,9998 *NGEN,LINE=C,NSET=RINGB 82,84,1,9999 84,88,1,9999 88,90,1,9999 *NFILL,NSET=HUB NHUB,RINGF,3,9 RINGF,RINGB,6,9 ** ** Total nodes for blade: 91--120, ** plus common nodes 57--61 ** *NODE,NSET=BLADE 91, 6.34825, 4.61208, 2.00000 92, 6.04542, 5.17363, 2.04275 93, 5.64799, 5.65929, 2.11107 94, 5.16740, 6.05420, 2.19011 95, 4.61648, 6.34954, 2.25973 96, 6.97098, 5.04709, 2.00000 97, 6.60952, 5.64419, 2.08975 98, 6.14537, 6.18965, 2.22829 99, 5.61424, 6.64337, 2.39622 100, 5.04534, 6.97776, 2.55559 101, 7.71735, 5.22982, 2.00000 102, 7.23607, 5.92235, 2.13475 103, 6.57818, 6.65456, 2.33376 104, 5.87275, 7.29336, 2.58456 105, 5.23136, 7.72660, 2.83877 106, 8.44058, 5.48119, 2.00000 107, 7.86154, 6.25188, 2.17913 108, 7.04773, 7.13818, 2.43316 109, 6.20063, 7.93303, 2.76013 110, 5.49725, 8.45477, 3.10513 111, 8.94199, 6.04637, 2.00000 112, 8.35346, 6.80121, 2.24584 113, 7.55742, 7.64823, 2.59979 114, 6.73147, 8.41155, 3.04013 115, 6.03050, 8.93642, 3.47975 116, 8.88910, 6.78398, 2.00000 117, 8.41737, 7.43225, 2.26100 118, 7.89643, 8.00249, 2.59810 119, 7.35361, 8.48209, 3.02957 120, 6.78399, 8.88910, 3.50000 ** *NSET,NSET=PART1,GENERATE 1,120,1 *NCOPY,CHANGE NUMBER=1000,OLD SET=PART1,SHIFT 0.,0.,0. 3.,3.,-1.,3.,3.,1.,90. *NCOPY,CHANGE NUMBER=2000,OLD SET=PART1,SHIFT 0.,0.,0. 3.,3.,-1.,3.,3.,1.,180. *NCOPY,CHANGE NUMBER=3000,OLD SET=PART1,SHIFT 0.,0.,0. 3.,3.,-1.,3.,3.,1.,270. ** ** NODE SETS ** *NSET,NSET=NHUBN,GENERATE 1, 9, 1 1002,1008, 1 2001,2009, 1 3002,3008, 1 *NSET,NSET=NBLADE,GENERATE 57, 61, 1 1057,1061, 1 2057,2061, 1 3057,3061, 1 *NSET,NSET=PART1X,GENERATE 1,82,9 *NSET,NSET=PART1Y,GENERATE 9,90,9 *NSET,NSET=PART2X,GENERATE 1009,1090,9 *NSET,NSET=PART2Y,GENERATE 1001,1082,9 *NSET,NSET=PART3X,GENERATE 2001,2082,9 *NSET,NSET=PART3Y,GENERATE 2009,2090,9 *NSET,NSET=PART4X,GENERATE 3009,3090,9 *NSET,NSET=PART4Y,GENERATE 3001,3082,9 *MPC TIE,PART4X,PART1X TIE,PART2Y,PART1Y TIE,PART2X,PART3X TIE,PART4Y,PART3Y *NSET,NSET=NXSYMM PART1Y,PART3Y *NSET,NSET=NYSYMM PART1X,PART3X ** ** ELEMENT DEFINITION: HUB+4xBLADE ** *ELEMENT,TYPE=S4R 1,1,10,11,2 *ELGEN,ELSET=HUB1 1,8,1,1,9,9,8 ** *ELEMENT,TYPE=S4R 73,57,91,92,58 77,91,96,97,92 *ELGEN,ELSET=BLADE1 73,4,1,1 77,4,1,1,5,5,4 ** *ELSET,ELSET=P1 HUB1,BLADE1 *ELCOPY,ELEMENT SHIFT=100,OLD SET=P1,SHIFT NODES=1000,NEW SET=P2 *ELCOPY,ELEMENT SHIFT=200,OLD SET=P1,SHIFT NODES=2000,NEW SET=P3 *ELCOPY,ELEMENT SHIFT=300,OLD SET=P1,SHIFT NODES=3000,NEW SET=P4 *ELSET,ELSET=HUBF,GENERATE 1, 24, 1 101, 124, 1 201, 224, 1 301, 324, 1 *ELSET,ELSET=HUBT,GENERATE 25, 72, 1 125, 172, 1 225, 272, 1 325, 372, 1 *ELSET,ELSET=CYLBLADE,GENERATE 73, 96, 1 173, 196, 1 273, 296, 1 373, 396, 1 ** *SHELL SECTION,ELSET=HUBF,MATERIAL=MAT 0.250, 3 *SHELL SECTION,ELSET=HUBT,MATERIAL=MAT 0.125, 3 *SHELL SECTION,ELSET=CYLBLADE,MATERIAL=MAT 0.125, 3 *MATERIAL,NAME=MAT *DENSITY 7850., *ELASTIC,TYPE=ISOTROPIC 2.E+11, 0.29 ** ** STEP 1 ** *STEP,nlgeom,INC=1000 Step 1: centrifugal loading *STATIC .1,1. ** *BOUNDARY NHUBN,ENCASTRE *DLOAD CYLBLADE, CENT, 6.3e6, 3., 3., 0., 0., 0., -1. HUBF, CENT, 6.3e6, 3., 3., 0., 0., 0., -1. HUBT, CENT, 6.3e6, 3., 3., 0., 0., 0., -1. ** *EL PRINT,FREQ=0 *EL FILE,FREQ=0 *NODE PRINT,FREQ=0 *NODE FILE,FREQ=0 ** *END STEP ** ** STEP 2 ** *STEP Step 2: Eigenfrequency extraction *FREQUENCY 20, ** *EL PRINT,FREQ=0 *EL FILE,FREQ=0 *NODE PRINT,FREQ=0 *NODE FILE,FREQ=0 *MODAL FILE,FREQ=99 *END STEP