各位大神求助
是这样的,我要分层浇筑混凝土作温度分析,每层混凝土浇筑间隔七天,我在浇筑完第一层七天之后浇筑第二层,然后到第十四天查看,发现第一层温度合理,第二层混凝土的温度始终未初始温度19度,这也就是说第二层的水化热和对流施加上去,请问这是怎么回事,下面附上命令流和温度云图
!**********边界条件设置************
ESEL,S,ENAME,,ejiyan !基岩
allsel,below,elem
EPLOT
IC,ALL,TEMP,19, !基岩初始温度19°
ALLSEL,ALL
CMSEL,r,njiyanjueremian !给基岩绝热面也施加对流
SF,ALL,CONV,70,15 !对流加在绝热面上
ESEL,S,ENAME,,ediyicenghunningtu !选择五层混凝土单元
ESEL,a,ENAME,,ediercenghunningtu
ESEL,a,ENAME,,edisancenghunningtu
ESEL,a,ENAME,,edisicenghunningtu
ESEL,a,ENAME,,ediwucenghunningtu
allsel,below,elem
EPLOT
IC,ALL,TEMP,19, !混凝土初始温度19°
ALLSEL,ALL
ESEL,S,ENAME,,ediyicenghunningtu !杀死二三四五期混凝土
ESEL,a,ENAME,,ediercenghunningtu
ESEL,a,ENAME,,edisancenghunningtu
ESEL,a,ENAME,,edisicenghunningtu
ESEL,a,ENAME,,ediwucenghunningtu
allsel,below,elem
EPLOT
nropt,full
ekill,all
ALLSEL,ALL
CMSEL,S,nwoke !蜗壳、座环恒定温度24°
nplot
D,ALL, ,24, , , ,TEMP, , , , ,
CMSEL,S,nzuohuan
nplot
D,ALL, ,24, , , ,TEMP, , , , ,
!************开始浇筑第一层混凝土********
ESEL,S,ENAME,,ediyicenghunningtu !选择并激活第一层混凝土
allsel,below,elem
EPLOT
ealive,all
CMSEL,S,ndiyicengduiliumian !加载第一层混凝土对流系数
NPLOT
SF,ALL,CONV,70,15
/SOLU
!*
ANTYPE,4
!*
TRNOPT,FULL !指定为完全瞬态分析
LUMPM,0
!*
!DELTIM,1,0,1,0n !DELTIM, DTIME(时间步), DTMIN(最小), DTMAX(最大), Carr(on,上次时间步作为下次时间步开始)
AUTOTS,0
KBC,0 !加载方式为线性递增荷载 (1为阶跃式)
OUTRES,ALL,ALL !输出所有结果
TIMINT,ON !打开时间积分开关
NT=14 !时间NT=7天
*DIM,TIME5,,NT !定义用于存放时间的数组
*DIM,HE005,,NT !定义用于存放水化热的数组
*VREAD,TIME5,TIME5,TXT,,IJK,NT !存放时间的数组
(F10.7)
*VREAD,HE005,HE005,TXT,,IJK,NT !存放水化热的数组
(F20.7)
NSUBST,1,,,1
*DO,i,1,7
ESEL,S,ENAME,,ediyicenghunningtu !加载第一层水化热
allsel,below,elem
EPLOT
BFE,ALL,HGEN,,HE005(i)
ALLSEL,ALL
ESEL,S,LIVE !选择活单元
allsel,below,elem
EPLOT
TIME,TIME5(i) !时间
/STATUS,SOLU
SOLVE !求解
*if,i,EQ,7,then
ALLSEL,ALL
NSLE,S
SFDELE,all,CONV
SFEDELE,all,CONV
ESEL,S,ENAME,,ediercenghunningtu !选择并激活第二层混凝土
allsel,below,elem
EPLOT
ealive,all
ALLSEL,ALL
CMSEL,s,njiyanjueremian
NPLOT
SF,ALL,CONV,70,15 !给基岩绝热面也施加对流
ALLSEL,ALL
CMSEL,s,ndiercengduiliumian !加载第二层混凝土对流系数
NPLOT
SF,ALL,CONV,70,15
*DO,j,8,14
ALLSEL,ALL
ESEL,S,ENAME,,ediyicenghunningtu !加载第一层水化热
allsel,below,elem
EPLOT
BFE,ALL,HGEN,,HE005(j)
ALLSEL,ALL
ESEL,S,ENAME,,ediercenghunningtu !加载第二层水化热
allsel,below,elem
EPLOT
BFE,ALL,HGEN,,HE005(j-7)
ALLSEL,ALL
ESEL,S,LIVE !选择活单元
allsel,below,elem
EPLOT
TIME,TIME5(j) !时间
/STATUS,SOLU
SOLVE
*ENDDO
*ELSE
i,EQ,i+1
*endif
*ENDDO
FINISH@wuming524 |