*HEADING EXPLICIT RIGID BODY ISOTHERMAL / HEAT CAP TEST [CPS6MT] ** ** The temperature varies only in time and the fluxes are zero ** The time increment is specified using Direct User Control ** See ch. 1.11.6 of ABAQUS/Verification Manual ** ** The temperature at all of the nodes decreases exponentially from ** 100 to 20 in the first step, and then increases linearly back ** to 100 in the second step. ** *PREPRINT,ECHO=YES,HISTORY=NO,MODEL=NO *NODE,NSET=ALL 1,0,0 2,1,0 3,1,2 4,0,2 5,0.5,0 6,1,1 7,0.5,2 8,0,1 9,0.5,1 *ELEMENT,TYPE=CPS6MT, ELSET=EALL 1,1,2,3,5,6,9 2,3,4,1,7,8,9 *SOLID SECTION,MATERIAL=A1, ELSET=EALL *MATERIAL,NAME=A1 *ELASTIC 1.0,0.0 *CONDUCTIVITY 1.0, *DENSITY 1.0, *SPECIFIC HEAT 1.0, *EXPANSION 0.0, *NODE,NSET=REFNODE 9999,0.5,1.0 *RIGID BODY,REF NODE=9999,ELSET=EALL,ISOTHERMAL=YES *ELEMENT,TYPE=HEATCAP,ELSET=CAP 99001,9999 *HEATCAP,ELSET=CAP 1.0 *INITIAL CONDITIONS,TYPE=TEMPERATURE 9999,100 *STEP COOL DOWN BY CONVECTION *DYNAMIC TEMPERATURE-DISPLACEMENT, EXPLICIT, DIRECT 0.01,10.0 *FILM 1,F2,20,1.0 *************************** *FILE OUTPUT, NUM=1 *NODE FILE NT *************************** *OUTPUT,FIELD,NUM=1 *NODE OUTPUT NT, ************************* ***OUTPUT, HISTORY,FREQ=25 ***NODE OUTPUT, NSET=ALL **NT,RFL ***NODE OUTPUT, NSET=REFNODE **NT,RFL *OUTPUT, HISTORY,TIME INTERVAL=10.0 *ENERGY OUTPUT ETOTAL,ALLIHE,ALLHF *ENDSTEP ***************************************** *STEP HEATED UP BY PRESCRIBED FLUX *DYNAMIC TEMPERATURE-DISPLACEMENT, EXPLICIT, DIRECT 0.1,10.0 *FILM,OP=NEW 1,F2,20,0.0 *DFLUX,OP=NEW 1,S1,24,1.0 *ENDSTEP