*HEADING SIMPLE CONTACT TEST WITH SC8RT ELEMENTS, DYNAMIC TEMPERATURE-DISPLACEMENT, EXPLICIT ** ** See ch. 1.6.2 of ABAQUS/Verification Manual ** *NODE 1,1.,5. 3,2.,5. 9,2.,10. 7,1.,10. 11,1.,10.0000001 13,2.,10.0000001 19,2.,15.0000001 17,1.,15.0000001 101,1.,5.,1. 103,2.,5.,1. 109,2.,10.,1. 107,1.,10.,1. 111,1.,10.0000001,1. 113,2.,10.0000001,1. 119,2.,15.0000001,1. 117,1.,15.0000001,1. *NGEN,NSET=NALL 1,3 3,9,3 7,9 1,7,3 2,8,3 11,13 13,19,3 17,19 11,17,3 12,18,3 101,103 103,109,3 107,109 101,107,3 102,108,3 111,113 113,119,3 117,119 111,117,3 112,118,3 *NSET,NSET=BOTTOM 1,2,3 101,102,103 *NSET,NSET=TOP 17,18,19 117,118,119 *NSET,NSET=SIDE 1,4,7,11,14,17 101,104,107,111,114,117 *ELEMENT,TYPE=SC8RT,ELSET=SOLID 1, 1,3,9,7,101,103,109,107 2, 11,12,15,14,111,112,115,114 3, 12,13,16,15,112,113,116,115 4, 14,15,18,17,114,115,118,117 5, 15,16,19,18,115,116,119,118 *SHELL SECTION,ELSET=SOLID,MATERIAL=SOLMAT 0.1, *MATERIAL,NAME=SOLMAT *ELASTIC 30.E6,.3 *EXPANSION 10.E-6, *CONDUCTIVITY 43.0, *DENSITY 7700., *SPECIFIC HEAT 600., ** *PHYSICAL CONSTANTS, ABSOLUTE ZERO=-273.16,STEFANB=5.6697E-8 ** *** nset definitions for prescribing temperatures. ** *NSET, NSET=NELEM1 1, 3, 7, 9 101, 103, 107, 109 *NSET, NSET=NELEM2, GEN 11,19,1 111,119,1 *NSET,NSET=QA_TEST NELEM2 ** ** surfaces ** *SURFACE, NAME=ASURF 1, S5 *SURFACE, NAME=BSURF 2, S3 3, S3 ** *** Apply different temperatures to the nodes above and *** below the contact surface ** *STEP *DYNAMIC TEMPERATURE-DISPLACEMENT,EXPLICIT , 500. *fixed mass scaling, elset=solid,factor=100.0 ** *CONTACT PAIR, SMALL SLIDING, INTERACTION=GAP, WEIGHT=0.0 BSURF, ASURF *SURFACE INTERACTION, NAME=GAP 1.0, *FRICTION 0.01, *GAP CONDUCTANCE 1.,0. 1.,1. *GAP RADIATION 3.4664e-2,3.4664e-2 1.,0. 1.,1. *GAP HEAT GENERATION 0.5,0.5 *BOUNDARY,type=velocity BOTTOM,2,2 TOP,2,2 1, 1, 1 17, 1, 1 101,1, 1 117,1, 1 101, 3, 3 117, 3, 3 *amplitude,name=ramp, definition=smooth step 0.,0.,100.,1.,500.,1. *boundary,amplitude=ramp NELEM1, 11, 11, 700.0 NELEM2, 11, 11, 500.0 ************************ *OUTPUT,FIELD,NUM=1 *NODE OUTPUT,NSET=QA_TEST NT,U ************* *CONTACT OUTPUT HFLA, HFL, HTL,HTLA,SFDR,SFDRA,SFDRT,SFDRTA, CSTRESS, *NODE OUTPUT U,NT *ELEMENT OUTPUT S ********************************** *OUTPUT,HISTORY,TIME INTERVAL=500.0 *ENERGY OUTPUT, VAR=ALL ********************************** *END STEP ** **** STEP 2. Push top block to the right. ** *STEP *DYNAMIC TEMPERATURE-DISPLACEMENT,EXPLICIT ,500.0 *fixed mass scaling, elset=solid,factor=100.0 ** *amplitude,name=ramp2,definition=smooth step 0.,0., 100.,1.0, 400.,1.0, 500.,0. *BOUNDARY, OP=NEW, amplitude=ramp2,type=velocity 11, 1, 1, 0.000025 14, 1, 1, 0.000025 17, 1, 1, 0.000025 111, 1, 1, 0.000025 114, 1, 1, 0.000025 117, 1, 1, 0.000025 *BOUNDARY, OP=NEW NELEM1, 11, 11, 700 NELEM2, 11, 11, 500 *BOUNDARY, OP=NEW,type=velocity TOP, 2, 2 BOTTOM, 2, 2 1, 1, 1 7, 1, 1 101, 1, 1 107, 1, 1 101, 3, 3 117, 3, 3 *END STEP ** *** STEP 3. Push top block back into position. ** *STEP *DYNAMIC TEMPERATURE-DISPLACEMENT,EXPLICIT ,500.0 *fixed mass scaling, elset=solid,factor=100.0 ** *BOUNDARY, OP=NEW, amplitude=ramp2,type=velocity 11, 1, 1, -0.000025 14, 1, 1, -0.000025 17, 1, 1, -0.000025 111, 1, 1, -0.000025 114, 1, 1, -0.000025 117, 1, 1, -0.000025 *BOUNDARY, OP=NEW NELEM1, 11, 11, 700 NELEM2, 11, 11, 500 *BOUNDARY, OP=NEW,type=velocity TOP, 2, 2 BOTTOM, 2, 2 1, 1, 1 7, 1, 1 101, 1, 1 107, 1, 1 101, 3, 3 117, 3, 3 *END STEP