*HEADING PRESSURIZED RUBBER DISC --- C3D8R ELEMENTS *NODE,NSET=TOP 1,0.0,0.0,0.5 6,2.5,0.0,0.5 11,7.5,0.0,0.5 1006,0.0,2.5,0.5 501,0.0,2.5,0.5 1011,0.0,7.5,0.5 506,2.5,2.5,0.5 999,0.0,0.0,0.0 *NGEN,LINE=C,NSET=TOP 11,1011,100,,0.0,0.0,0.5 *NSET,NSET=DEF 1, *NGEN,NSET=TOP 1,6,1 6,11,1 1006,1011,1 1,501,100 506,1006,100 6,506,100 106,111,1 206,211,1 306,311,1 406,411,1 506,511,1 606,611,1 706,711,1 806,811,1 906,911,1 101,106,1 201,206,1 301,306,1 401,406,1 *NCOPY, OLD SET=TOP, CHANGE=10000, SHIFT, NEW SET=MID 0.0,0.0,-0.25 0.,0.,-1.,0.,0.,1. *NCOPY, OLD SET=TOP, CHANGE=20000, SHIFT, NEW SET=BOT 0.0,0.0,-0.5 0.,0.,-1.,0.,0.,1. *ELEMENT,TYPE=C3D8R 1,10001,10002,10102,10101,1,2,102,101 *ELGEN,ELSET=SHEET 1,5,1,1,4,100,100,2,10000,10000 *ELEMENT,TYPE=C3D8R,ELSET=SHEET 401,10401,10402,10906,11006,401,402,906,1006 402,10402,10403,10806,10906,402,403,806,906 403,10403,10404,10706,10806,403,404,706,806 404,10404,10405,10606,10706,404,405,606,706 405,10405,10406,10506,10606,405,406,506,606 10401,20401,20402,20906,21006,10401,10402,10906,11006 10402,20402,20403,20806,20906,10402,10403,10806,10906 10403,20403,20404,20706,20806,10403,10404,10706,10806 10404,20404,20405,20606,20706,10404,10405,10606,10706 10405,20405,20406,20506,20606,10405,10406,10506,10606 *ELEMENT,TYPE=C3D8R 6,10006,10007,10107,10106,6,7,107,106 *ELGEN,ELSET=SHEET 6,5,1,1,10,100,100,2,10000,10000 *ELSET,ELSET=PLOAD,GEN 10001,10010,1 10101,10110,1 10201,10210,1 10301,10310,1 10401,10410,1 10506,10510,1 10606,10610,1 10706,10710,1 10806,10810,1 10906,10910,1 *ELSET, ELSET=CAVSURF 10001, 10002, 10003, 10004, 10005, 10006, 10007, 10008, 10009, 10010, 10101, 10102, 10103, 10104, 10105, 10106 10107, 10108, 10109, 10110, 10201, 10202, 10203, 10204, 10205, 10206, 10207, 10208, 10209, 10210, 10301, 10302 10303, 10304, 10305, 10306, 10307, 10308, 10309, 10310, 10401, 10402, 10403, 10404, 10405, 10406, 10407, 10408 10409, 10410, 10506, 10507, 10508, 10509, 10510, 10606, 10607, 10608, 10609, 10610, 10706, 10707, 10708, 10709 10710, 10806, 10807, 10808, 10809, 10810, 10906, 10907, 10908, 10909, 10910 *SURFACE, TYPE=ELEMENT, NAME=FLSURF CAVSURF, S1 *NSET,NSET=XFIX,GEN 1,401,100 1006,1011,1 10001,10401,100 11006,11011,1 20001,20401,100 21006,21011,1 *NSET,NSET=YFIX,GEN 1,11 10001,10011 20001,20011 *NSET,NSET=HTOP,GEN 11,1011,100 *NSET,NSET=HINGE,GEN 10011,11011,100 *NSET,NSET=HBOT,GEN 20011,21011,100 *BOUNDARY XFIX,1 YFIX,2 HINGE,1,3 *EQUATION 2, HBOT,1,1.0,HTOP,1,1.0 2, HBOT,2,1.0,HTOP,2,1.0 2, HBOT,3,1.0,HTOP,3,1.0 *SOLID SECTION,ELSET=SHEET,MATERIAL=A1 *MATERIAL,NAME=A1 *DENSITY 1.E-4, *HYPERELASTIC,N=1 80.,20., *PHYSICAL CONSTANTS,ABSOLUTE ZERO=-273.16, UNIVERSAL GAS CONSTANT=73.562 *FLUID CAVITY, NAME=CHAMBER, REF NODE=999, BEHAVIOR=GAS, SURFACE=FLSURF, AMBIENT PRESSURE=14.7 *FLUID BEHAVIOR, NAME=GAS *MOLECULAR WEIGHT 0.01367 *CAPACITY, TYPE=TABULAR 112.847 *AMPLITUDE,NAME=RAMP 0.,0., .01,1. *STEP *DYNAMIC,EXPLICIT ,0.01 *BOUNDARY,AMP=RAMP 999,8,8,46. *MONITOR,NODE=10001,DOF=2 *OUTPUT,FIELD,VAR=PRESELECT,NUM=5 ** ** Output for qa testing ** *NSET,NSET=QA_TEST TOP, MID, BOT *FILE OUTPUT,NUMBER INTERVAL=1 *NODE FILE U, *OUTPUT,FIELD,NUMBER INTERVAL=1 *NODE OUTPUT,NSET=QA_TEST U, *OUTPUT,HISTORY,VAR=PRESELECT,TIME INTERVAL=0.0025 ** *END STEP