小中大【求助】分析日照等外界环境对某一混凝土箱梁的影响
分析日照等外界环境对某一混凝土箱梁的影响,所遇到的问题是如何施加和确立初始温度场。一 些参考文献中指出,凌晨6点左右箱梁的温度场为稳定温度场,因此,在分析前施加命令IC(TUNIT)命令,给全部单元施加温度20°,问题1,是不是用了这个命令之后,就把初始的温度场给确定了?下面是具体命令流,有做这个的虫友可以参考下,同时也希望大神给予指点和改正,谢谢!命令中有不明白之后,可以留言,尽力解答!!
FINISH
/CLEAR
KEYW,PR_THERM,1
/PREP7
ET,1,PLANE35
MP,EX,1,3.45E11
MP,KXX,1,1.54
MP,C,1,920
MP,DENS,1,2500
K,1,0,0
K,2,4.25
K,3,4.25,5.27
K,4,6.785,5.67
K,5,6.785,5.97
K,6,-3.625,5.97
K,7,-3.625,5.67
K,8,0,5.27
L,1,2
L,2,3
L,3,4
L,4,5
L,5,6
L,6,7
L,7,8
L,8,1
K,9,1.4,0.68
K,10,2.85,0.68
K,11,3.75,1.68
K,12,3.75,4.34
K,13,2.85,5.14
K,14,1.4,5.14
K,15,0.5,4.34
K,16,0.5,1.68
L,9,10
L,10,11
L,11,12
L,12,13
L,13,14
L,14,15
L,15,16
L,16,9
/PNUM,LINE,1
LPLOT
AL,9,10,11,12,13,14,15,16
AL,1,2,3,4,5,6,7,8
ASBA,2,1
NUMCMP,ALL
NUMMRG,ALL
LESIZE,ALL,0.2
MSHAPE,2D
MSHKEY,0
MAT,1
AMESH,1
FINISH
/SOLU
ANTYPE,TRANS
TRNODT,FULL
LUMPM,0
HEMIOPT,30
IC,ALL,TEMP,20(TUNIF,20)!!!!这个用哪个比较好?有什么区别?
LSEL,S,,,9,16,1
SFL,ALL,CONV,5.8,,27.2
LSEL,S,,,5
SFL,ALL,CONV,14.8,,39.0
LSEL,S,,,6,8,1
SFL,ALL,CONV,14.8,,38.6
LSEL,S,,,2,4,1
SFL,ALL,CONV,14.8,,37.7
LSEL,S,,,1
SFL,ALL,CONV,14.8,,31.3
ALLSEL
SFTRAN
AUTOTS,ON
TIMINT,ON
KBC,1
TIME,3600
NSUBST,20,40,20
OUTRES,ALL,ALL
SOLVE
FINISH
/POST1
SET,LAST
/SHOW,WIN32C
/CONTOUR,1,15
PLNSOL,TEMP