ansys实例仿真

1、 某零件铸造过程热分析FINISH/FILNAME,Exercise14 ! 定义隐式热分析文件名/PREP7 ! 进入前处理器ET,1,SOLID70 ! 选择单元MP,KXX,1,0.025 MP,DENS,1,0.054 MP,C,1,0.28 ! 定义砂模热性能MPTEMP, MPTEMP,1,0 MPTEMP,2,2643 MPTEMP,3,2750 MPTEMP,4,2875 MPDATA,KXX,2,1.44 MPDATA,KXX,2,1.54 MPDATA,KXX,2,1.22 MPDATA,KXX,2,1.22 MPTEMP, MPTEMP,1,0 MPTEMP,2,2643

2、 MPTEMP,3,2750 MPTEMP,4,2875 MPDATA,ENTH,2,0MPDATA,ENTH,2,128.1MPDATA,ENTH,2,163.8MPDATA,ENTH,2,174.2 ! 定义铸钢的热性能 CYLIND,6,2,0,3,-15,15, wpoff,4 CYLIND,0.5,0,0,3,0,360, VSBV, 1, 2 WPAVE,0,0,0 CSYS,0 CYLIND,8,0,-2,5,-15,15, FLST,2,2,6,ORDE,2 FITEM,2,1 FITEM,2,3 VOVLAP,P51X VSEL,S,2图一VATT,1,1,1, ! 附砂模材

3、料属性VSEL,S,3VATT,2,1,1, ! 附铸钢材料属性VSEL,ALL ! 选择所有的体ESIZE,0.35,0, ! 定义单元划分尺寸MSHAPE,1,3D ! 设置自由划分单元类型VMESH,ALL ! 划分单元图二/SOLUESEL,S,MAT,2NSLEIC,ALL,TEMP,2875 ! 设定铸钢的初始温度ESEL,S,MAT,1NSLEIC,ALL,TEMP,80 ! 设定砂模的初始温度ALLSEL,ALLsfA,1,1,CONV,0.014,80sfA,2,1,CONV,0.014,80sfA,7,1,CONV,0.014,80 ! 设定砂模外边界对流ANTYPE,TR

4、ANS ! 设置为瞬态求解KBC,1 ! 设置为阶越载荷施加OUTRES,ALL ! 定义结果输出TOFFST,460 ! 定义温度偏移量ALLSEL,ALL ! 选择所有节点AUTOTS,ON ! 打开自动时间开关DELTIM,0.01,0.01,0.01 ! 定义时间子步TIME,0.25 ! 定义求解时间图三SOLVE ! 求解/POST1 ! 进入后处理器 SET,LAST ! 读入最后子步结果ESEL,S,MAT,1 ! 选择砂模单元NSLEPLNSOL,TEMP, ,0, ! 显示砂模温度分布云图图四/EXPAND,9,POLAR,30 ! 设置三维周期扩展选项PLNSOL,TEM

5、P, ,0, ! 显示砂模温度分布云图图五ESEL,S,MAT,2 ! 选择铸钢单元NSLEPLNSOL,TEMP, ,0, ! 显示铸钢温度分布云图图六/EXPAND ! 关闭三维周期扩展选项PLNSOL,TEMP, ,0, ! 显示铸钢温度分布云图图七FLST,2,10,1 FITEM,2,198 FITEM,2,211 FITEM,2,212 FITEM,2,213 FITEM,2,214 FITEM,2,215 FITEM,2,216 FITEM,2,217 FITEM,2,218 FITEM,2,210 PATH,R2,10,30,20, PPATH,P51X,1 ! 建立径向路径P

6、ATH,STAT PDEF,TR,TEMP, ,AVG ! 向所定义路径映射温度分析结果PLPATH,TR ! 显示沿路径温度变化曲线图图八PLPAGM,TR,1,Blank ! 在几何模型上显示径向温度分布云图图九/POST26 ! 进入时间历程后处理器NSOL,2,210,TEMP, TEMP_2STORE,MERGE NSOL,3,599,TEMP, TEMP_3 STORE,MERGE NSOL,4,592,TEMP, TEMP_4 STORE,MERGE NSOL,5,20,TEMP, TEMP_5 STORE,MERGE ! 定义零件某些位置节点的时间温度变量/AXLAB,X,TIME /AXLAB,Y,TEMPERATURE ! 更改坐标轴标识/XRANGE,0,0.25 ! 设定横坐标轴范围PLVAR,2,3,4,5 ! 绘制4节点温度随时间的变化曲线图十/POST1 ! 进入后处理器 SET,FIRST ! 读入第一个子步结果/CVAL,1,0,2643,27