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1、实用标准文案Ansys作业——相变分析步骤：（1）定义单元类型选择ThermalSolid和Quad4node5单元，单元属性选择Axisymmetric；定义材料属性：设置水的密度、导热率以及焓参数。精彩文档实用标准文案水的焓参数变化曲线（2）创建几何模型，划分有限元网格精彩文档实用标准文案（3）施加初始温度，施加对流载荷（4）设置求解选项，显示沿半径方向的温度分布精彩文档实用标准文案（5）显示温度场分布云图精彩文档实用标准文案(6)显示冰和水的区域10分钟后冰水分解示意图精彩文档实用标准文案步骤：（1）定义单元类型，选择ThermalSolid、Quad4node5
2、5和Brick20node90单元.定义材料属性：导热系数、密度以及焓变参数等。精彩文档实用标准文案（2）创建几何模型，划分有限元网格精彩文档实用标准文案（3）施加温度载荷（4）设置求解选项，然后求解，显示60分钟后的温度分布云图精彩文档实用标准文案（5）计算冰完全融化的时间第7827秒后温度场分布等值线云图精彩文档实用标准文案从图中可以看出，7827秒后的最低温度为-0.001732℃，接下来我们用相同的方法查看第7828秒的温度分布等值线云图。从图中可以看出，7828秒后的最低温度为0.0025℃，表明冰莹完全融化。所以在第7828秒冰完全融化为水。（6）绘制A点温
3、度随时间变化曲线精彩文档实用标准文案A点温度随时间变化曲线（7）绘制B点温度随时间变化曲线B点温度随时间变化曲线精彩文档实用标准文案（1）定义单元类型，选择ThermalSolid、Quad4node55单元；定义材料属性：导热系数、砂模密度、砂模比热以及温度、焓变参数。（2）创建几何模型精彩文档实用标准文案（3）划分网格精彩文档实用标准文案（4）施加温度载荷（5）求解查看结果精彩文档实用标准文案读入最后一步的分析结果，查看600秒后铸件和砂模的温度等值线云图600秒后铸件和砂模的温度等值线云图精彩文档实用标准文案600秒后砂模的温度等值线云图命令流文件：finish/
4、clear/filname,thermal/title,haha/prep7et,1,55mp,kxx,1,0.35mp,dens,1,1520mp,c,1,816MPTEMP,,,,,,,,MPTEMP,1,25MPTEMP,2,1533MPTEMP,3,1595MPTEMP,4,1670MPDATA,KXX,2,,28.8MPDATA,KXX,2,,31.2MPDATA,KXX,2,,24.5MPDATA,KXX,2,,24.5MPTEMP,,,,,,,,MPTEMP,1,25MPTEMP,2,1533MPTEMP,3,1595MPTEMP,4,1670MPDATA
5、,ENTH,2,,7.8886e-31MPDATA,ENTH,2,,7.5e9MPDATA,ENTH,2,,9.6e9精彩文档实用标准文案MPDATA,ENTH,2,,1.1e10k,1,0.01,0.01k,2,0.01,0.04k,3,0.02,0.04k,4,0.02,0.03k,5,0.08,0.03k,6,0.08,0.04k,7,0.09,0.04k,8,0.09,0.01k,9,0.08,0.01k,10,0.08,0.02k,11,0.02,0.02k,12,0.02,0.01*DO,I,1,11,1L,i,i+1*ENDDOL,1,12AL,allre
6、ctng,0,0.1,0,0.05aovlap,all/pnum,area,1aplotNUMCMP,AREAesize,0.002mat,2amesh,1mat,1amesh,2精彩文档实用标准文案/pnum,area,0/REPLOTfinishsave/soluantype,4TRNOPT,FULLLUMPM,0TIME,0.01AUTOTS,-1DELTIM,0.01,,,1KBC,0TSRES,ERASETIMINT,0TINTP,0.005,,,-1,0.5,-1,asel,s,,,1nsla,s,1d,all,temp,1670allselasel,s,,
7、,2nsla,s,1d,all,temp,25allsellsel,s,,,13lsel,a,,,14lsel,a,,,15lsel,a,,,16nsll,s,1精彩文档实用标准文案sfl,all,conv,65,,100allselsolve/SOLLUMPM,0TIME,600DELTIM,3,3,10KBC,0.0OUTRES,ERASEOUTRES,ALL,ALLTIMINT,1ddele,all,tempsolve/POST1SET,LASTPLNSOL,TEMP,,0finish精彩文档
