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基于ANSYS的某焊件两焊缝在顺序焊接过程中分析(含命令流)目录一、前言.............................................................................................3二、基本方法....................................................................................3三、条件.............................................................................................3四、物理性能表................................................................................3五、基本数据..................................................................................3六、分析结果....................................................................................3七、附录：.........................................................................................4一、前言本文是对一焊件两个焊缝的凝固过程的温度场进行分析，焊缝及两钢板的材料为钢。二、基本方法使用有限元分析方法并且使用ANSYS分析软件。采用三维八节点热分析SOLID70单元，利用生死单元技术，对两个焊缝连续凝固的过程进行分析，本分析分6步进行，首先杀死一个焊缝的所有单元，进行稳态分析，得到温度的初始条件；进行瞬态分析，分析右焊缝的液固相变的转换过程；进行瞬态分析，分析右焊缝的凝固过程；激活焊缝的所有单元，进行短时间的瞬态分析，得到温度初始条件；进行瞬态分析，分析左焊缝的液固相变的转换过程；进行瞬态分析，分析左焊缝的凝固过程。分析时，采用英制单位。三、条件初始条件：焊接件的温度为70℉，焊缝的温度为3000℉。对流边界条件：对流系数0.00005Btu/(s·in2·℉)，空气温度70℉。四、物理性能表材料属性单位制0℉2643℉2750℉2875℉3000℉导热系数Btu/(s·in2·℉)0.5e-3密度lb/in30.2833比热容Btu/(lb·m·℉)0.2焓Btu/in30128.1163.8174.2184.6五、基本数据底板尺寸：2in×1.2in×0.34in上板尺寸：1in×1.2in×0.34in焊角尺寸：R=0.17in六、分析结果根据以上的有限元模型，完成对焊件的稳态分析，焊缝相变分析，焊缝凝固分析后，得到温度分布图，见附录。七、附录：分析模型：网格化分：温度分布图（1s）：温度分布图（2s）：温度分布图（100s）：温度分布图（1000s）：温度分布图（1001s）：温度分布图（1100s）：温度分布图（2000s）：焊接过程中温度随时间变化曲线图：命令流：FINISH/FILNAME,QMH/PREP7ET,1,SOLID70MP,KXX,1,.5e-3MP,C,1,.2MP,DENS,1,.2833MPTEMP,1,0,2643,2750,2875,3000MPDATA,ENTH,1,1,0,128.1,163.8,174.2,184.6MP,KXX,2,.5e-3MP,C,2,.2MP,DENS,2,.2833MP,KXX,3,.5e-3MP,C,3,.2MP,DENS,3,.2833MPTEMP,1,0,2643,2750,2875,3000MPDATA,ENTH,3,1,0,128.1,163.8,174.2,184.6BLOCK,-0.17,0.17,0,0.34,0,1.2BLOCK,0.17,0.34,0,0.34,0,1.2BLOCK,0.34,1,0,0.34,0,1.2BLOCK,-0.17,0.17,0.34,0.51,0,1.2BLOCK,-0.17,0.17,0.51,1.34,0,1.2WPAVE,0.17,0.34,0CYLIND,0.17,0,0,1.2,0,90WPAVE,0,0,0CSYS,0FLST,3,3,6,ORDE,3FITEM,3,2FITEM,3,-3FITEM,3,6VSYMM,X,P51X,,,,0,0VGLUE,ALLVPLOT,ALLVATT,1,1,1VSEL,S,,,1VSEL,A,,,12,17,1VATT,2,1,1VSEL,S,,,11VATT,3,1,1ALLSEL,ALLESIZE,0.05VSWEEP,ALLESEL,S,MAT,,3TOFFST,460EKILL,ALLALLSEL,ALL/SOLUANTYPE,TRANSTIMINT,OFFESEL,S,MAT,,1NSLED,ALL,TEMP,3000NSEL,INVED,ALL,TEMP,70TIME,1KBC,0ALLSEL,ALLSOLVEDDELE,ALL,TEMPTIMINT,ONTINTP,,,,1TIME,100DELTIME,1,0.5,10AUTOTS,ONKBC,1OUTRES,ERASEOUTRES,ALL,ALLASEL,S,EXTASEL,S,EXTASEL,U,LOC,Y,0SFA,ALL,,CONV,5E-5,70ALLSEL,ALLSOLVETIME,1000DELTIME,50,10,100AUTOTS,ONSOLVEEALIVE,ALLALLSEL,ALLESEL,S,MAT,,3NSLED,ALL,TEMP,3000TIME,1001DELTIME,1,1,1ALLSEL,ALLSOLVEDDELE,ALL,TEMPTIME,1100DELTIME,1,0.5,10SOLVETIME,2000DELTIME,100,10,200SOLVE/POST1SET,,,,,,,1PLNSOL,TEMP,,0SET,,,,,,,25PLNSOL,TEMP,,0SET,,,,,,,35PLNSOL,TEMP,,0SET,NEXTPLNSOL,TEMP,,0SET,,,,,,,58PLNSOL,TEMP,,0SET,,,,,,,64PLNSOL,TEMP,,0/POST26NSOL,2,4727,TEMP,,TEMP_2STORE,MERGENSOL,3,4752,TEMP,,TEMP_3STORE,MERGENSOL,4,4808,TEMP,,TEMP_4STORE,MERGENSOL,5,4833,TEMP,,TEMP_5STORE,MERGENSOL,6,4883,TEMP,,TEMP_6STORE,MERGENSOL,7,4908,TEMP,,TEMP_7STORE,MERGENSOL,8,5088,TEMP,,TEMP_8STORE,MERGENSOL,9,5308,TEMP,,TEMP_9STORE,MERGE/AXLAB,X,TIME/AXLAB,Y,TEMPERATURE/XRANGE,0,2000PLVAR,2,3,4,5,6,7,8,9/EXIT,NOSAV