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New Member
anthony
Join Date: Oct 2016
Posts: 5
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Hi friends,
I am a University student. I have one signature with Ansys APDL, and I'm going crazy with one exercise. I am doing a thermal case in Ansys Apdl, I have 3 cases: Number 1: the temperature in surface 6 of the geometry is imposed for a convection. RUNS OK Number 2: the temperature in surface 6 is fixed. RUNS OK Number 3: the temperature in surface 6 of the geometry is imposed for a radiation. RUNS NO OK. ANsys Show me a message indicating that the problem can't be solve because dont have a degree of freedom. Can any one help me please with exercice 3? THANKS A LOT this is the programming: /PREP7 C*** /TRIAD,OFF *SET,malla,10 *SET,Radio1,0.5 *SET,Radio2,1 ET,1,70 MP,KXX,1,10 CSYS,2 K,1,Radio1,88,-45 K,2,Radio1,88,45 K,3,Radio1,0,45 K,4,Radio1,0,-45 K,5,Radio2,88,-45 K,6,Radio2,88,45 K,7,Radio2,0,45 K,8,Radio2,0,-45 V,1,2,3,4,5,6,7,8 *GET,LON1,LINE,1,LENG *GET,LON4,LINE,4,LENG *GET,LON7,LINE,7,LENG LESIZE,4,,,malla LESIZE,2,,,malla LESIZE,12,,,malla LESIZE,8,,,malla LESIZE,1,,,NINT(malla*LON1/LON4) LESIZE,3,,,NINT(malla*LON1/LON4) LESIZE,10,,,NINT(malla*LON1/LON4) LESIZE,6,,,NINT(malla*LON1/LON4) LESIZE,11,,,NINT(malla*LON7/LON4),(Radio1/Radio2) LESIZE,7,,,NINT(malla*LON7/LON4),(Radio1/Radio2) LESIZE,9,,,NINT(malla*LON7/LON4),(Radio1/Radio2) LESIZE,5,,,NINT(malla*LON7/LON4),(Radio2/Radio1) MSHKEY,1 VMESH,1 FINISH /SOLU SFA,1,,HFLUX,400 STEF,0.119E-10 SPCTEMP,STAT,20 C*** SFA,6,,CONV,5,20 !exercice 1 C*** DA,6,TEMP,30 !exercice 2 SFA,6,,RAD,0.95,20 !exercice 3:error in this comand TOFFST,273 NSUB,3 SOLVE FINISH /POST1 /TRIAD,OFF /SHOW,WIN32C /CONT,1,128,AUTO PLNSOL,TEMP FINISH |
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