平板温度场瞬态变化分析技术

平板温度场瞬态分析

模型文件如下：

finish

  /clear

  /PREP7

  smrt,off

  /TITLE, VM113, TRANSIENT TEMP. DISTRIBUTION IN AN ORTHOTROPIC METAL BAR

  C***    CONDUCTION HEAT TRANSFER, SCHNEIDER, 2ND. PRINTING, PAGE 261, EX. 10-7

  ANTYPE,TRANS

  ET,1,PLANE55               ! THERMAL SOLID

  MP,KXX,1,20                ! ORTHOTROPIC CONDUCTIVITIES

  MP,KYY,1,3.6036

  MP,DENS,1,400

  MP,C,1,.009009

  K,1                        ! USE SOLID MODEL

  K,2,(2/12)

  KGEN,2,1,2,1,,(1/12)

  L,1,2

  *REPEAT,2,2,2

  LESIZE,ALL,,,6,(1/3)

  L,1,3

  *REPEAT,2,1,1

  LESIZE,3,,,5,(1/3)

  LESIZE,4,,,5,(1/3)

  A,1,3,4,2

  AMESH,1

  TIME,(3/3600)

  NSUBST,80,1e5,80

  AUTOTS,ON                  ! USE AUTOMATIC TIME STEPPING

  BFUNIF,TEMP,500

  KBC,1                      ! STEP BOUNDARY CONDITIONS

  NSEL,S,LOC,X,(2/12)

  NSEL,A,LOC,Y,(1/12)

  SF,ALL,CONV,240,100        ! CONVECTION SURFACE

  NSEL,ALL

  FINISH

  /SOLU    

  outres,all,all

  EQSLV,JCG                  ! USE JACOBI CONJUGATE GRADIENT SOLVER

  SOLVE

  FINISH

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