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【讨论】我做的新模型但是结果是错的,请各位高手帮忙改正谢谢!!!!!

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发表于 2004-5-6 21:55:00 | 显示全部楼层 |阅读模式 来自 天津
  
/filname, J260102,0  
/title,the thick of the board is2mm,velocity is 2mm/s   
/prep7   
et,1,solid70
mptemp,1,200,300,400,500,600,700                !定义材料温度
mpdata,dens,1,1,7880,7880,7710,7588,7320,7278       !定义材料密度
mpdata,kxx,1,1,61.1,53.3,48.5,42.7,38.1,34.2          !定义材料导热系数
mpdata,c,1,1,745,770,783,833,883,933
  
block,0,0.1,-0.01,0.01,-0.002,0,
block,0.05,0.1,-0.01,0.01,-0.002,-0.001,
vsbv,1,2
block,0,0.1,-0.03,0.03,-0.002,0,
block,0.05,0.1,-0.03,0.03,-0.002,-0.001,
vsbv,1,2
vsel,s,volu,,3,4
vovlap,all   
vglue,all   
numcmp,line  
numcmp,area  
numcmp,volu  
  
/REPLO   
FLST,5,22,4,ORDE,18  
FITEM,5,2   
FITEM,5,4   
FITEM,5,-6   
FITEM,5,9   
FITEM,5,-10  
FITEM,5,13   
FITEM,5,-16  
FITEM,5,20   
FITEM,5,22   
FITEM,5,-23  
FITEM,5,28   
FITEM,5,30   
FITEM,5,-32  
FITEM,5,34   
FITEM,5,37   
FITEM,5,-38  
FITEM,5,41   
FITEM,5,-42  
CM,_Y,LINE   
LSEL, , , ,P51X  
CM,_Y1,LINE  
CMSEL,,_Y   
  
LESIZE,_Y1,0.001, , , , , , ,1   
   
FLST,5,8,4,ORDE,8   
FITEM,5,1   
FITEM,5,7   
FITEM,5,12   
FITEM,5,17   
FITEM,5,19   
FITEM,5,27   
FITEM,5,39   
FITEM,5,-40  
CM,_Y,LINE   
LSEL, , , ,P51X  
CM,_Y1,LINE  
CMSEL,,_Y   
  
LESIZE,_Y1,0.001, , , , , , ,1   
  
FLST,5,12,4,ORDE,11  
FITEM,5,2   
FITEM,5,-3   
FITEM,5,9   
FITEM,5,20   
FITEM,5,26   
FITEM,5,28   
FITEM,5,-30  
FITEM,5,34   
FITEM,5,-35  
FITEM,5,41   
FITEM,5,-42  
CM,_Y,LINE   
LSEL, , , ,P51X  
CM,_Y1,LINE  
CMSEL,,_Y   
   
LESIZE,_Y1,0.002, , , , , , ,1   
  
FLST,5,3,6,ORDE,2   
FITEM,5,1   
FITEM,5,-3   
CM,_Y,VOLU   
VSEL, , , ,P51X  
CM,_Y1,VOLU  
CHKMSH,'VOLU'   
CMSEL,S,_Y   
  
VSWEEP,_Y1   
  
CMDELE,_Y   
CMDELE,_Y1   
CMDELE,_Y2   
/view, 1,1,1,1  
/ang, 1  
/rep,fast   
/psf,hflu,,2,0
/pnum,line,1
finish  
/solu
antype,trans
tunif,20
timint,on !time integration = on  
sfa,1,,conv,50,25,!w/m**2*c
sfa,2,,conv,50,25,
sfa,12,,conv,50,25,
sfa,16,,conv,50,25,
sfa,11,,conv,12.5,25,!bottom
sfa,5,,conv,12.5,25,
sfa,15,,conv,12.5,25,
allsel,all
autots,on  
timint,on
kbc,1 !step  
time,5
deltim,0.02,0.02,0.1
outres,all,4
nsel,s,loc,x, 0,0.1  
nsel,r,loc,y, -0.0025,0.0025  
nsel,r,loc,z,0
sf,all,hflu,%feng%  
allsel,all
solve
  
其中feng为3*60*10*0.65/{PI}/(0.0025^2) *exp(-3/0.0025/0.0025*({Z}^2+({X}-0.001*{TIME})^2))

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 楼主| 发表于 2004-5-6 22:00:11 | 显示全部楼层 来自 天津

回复: 【讨论】我做的新模型但是结果是错的,请各位高手帮忙改正谢谢!!!!!

Simdroid开发平台
结果是这样的(如下图)
  
请高手帮忙,
  
还有在划分单元时我用的是GUI方式:
  
/REPLO   
FLST,5,22,4,ORDE,18  
FITEM,5,2   
FITEM,5,4   
FITEM,5,-6   
FITEM,5,9   
FITEM,5,-10  
FITEM,5,13   
FITEM,5,-16  
FITEM,5,20   
FITEM,5,22   
FITEM,5,-23  
FITEM,5,28   
FITEM,5,30   
FITEM,5,-32  
FITEM,5,34   
FITEM,5,37   
FITEM,5,-38  
FITEM,5,41   
FITEM,5,-42  
CM,_Y,LINE   
LSEL, , , ,P51X  
CM,_Y1,LINE  
CMSEL,,_Y   
  
LESIZE,_Y1,0.001, , , , , , ,1   
   
FLST,5,8,4,ORDE,8   
FITEM,5,1   
FITEM,5,7   
FITEM,5,12   
FITEM,5,17   
FITEM,5,19   
FITEM,5,27   
FITEM,5,39   
FITEM,5,-40  
CM,_Y,LINE   
LSEL, , , ,P51X  
CM,_Y1,LINE  
CMSEL,,_Y   
  
LESIZE,_Y1,0.001, , , , , , ,1   
  
FLST,5,12,4,ORDE,11  
FITEM,5,2   
FITEM,5,-3   
FITEM,5,9   
FITEM,5,20   
FITEM,5,26   
FITEM,5,28   
FITEM,5,-30  
FITEM,5,34   
FITEM,5,-35  
FITEM,5,41   
FITEM,5,-42  
CM,_Y,LINE   
LSEL, , , ,P51X  
CM,_Y1,LINE  
CMSEL,,_Y   
   
LESIZE,_Y1,0.002, , , , , , ,1   
  
FLST,5,3,6,ORDE,2   
FITEM,5,1   
FITEM,5,-3   
CM,_Y,VOLU   
VSEL, , , ,P51X  
CM,_Y1,VOLU  
CHKMSH,'VOLU'   
CMSEL,S,_Y   
  
VSWEEP,_Y1   
  
CMDELE,_Y   
CMDELE,_Y1   
CMDELE,_Y2   
  
但是太烦琐,参数也不好改
  
我试用新方法如下
/filname, J260102,0
/title,the thick of the board is2mm,velocity is 2mm/s
/prep7
  
et,1,solid70
block,0,0.1,-0.01,0.01,-0.002,0,
block,0.05,0.1,-0.01,0.01,-0.002,-0.001,
vsbv,1,2
  
block,0,0.1,-0.03,0.03,-0.002,0,
block,0.05,0.1,-0.03,0.03,-0.002,-0.001,
  
vsbv,1,2
  
vsel,s,volu,,3,4
vovlap,all                                 
vglue,all
  
numcmp,line                              
numcmp,area  
numcmp,volu
/replot                                    
aesize,all,0.001,                        
lesize,all,0.001, , , ,1, , ,1,           
esize,0.001,0,   
  
mshkey,1                                 
mshape,0,3d                              
vsweep,3
  
aesize,all,0.002,                        
lesize,all,0.002, , , ,1, , ,1,           
esize,0.002,0,   
  
mshkey,1                                 
mshape,0,3d                              
vsweep,1,2
  
没成功!!
  
请高手帮忙改正,(划分部分已经在前后处理里发了,但是还是在我最喜欢的热分析里贴一下:>斑竹见谅)

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发表于 2004-5-7 09:37:57 | 显示全部楼层 来自 陕西西安

回复: 【讨论】我做的新模型但是结果是错的,请各位高手帮忙改正谢谢!!!!!

修改如下,删除了一些多余东东:
/prep7  
et,1,solid70  
block,0,0.1,-0.01,0.01,-0.002,0,  
block,0.05,0.1,-0.01,0.01,-0.002,-0.001,  
vsbv,1,2  
block,0,0.1,-0.03,0.03,-0.002,0,  
block,0.05,0.1,-0.03,0.03,-0.002,-0.001,  
vsbv,1,2  
vovlap,all  
mshkey,1  
mshape,0,2d  
lesize,all,0.001, , , ,1, , ,1,  
vsweep,3  
lesize,all,0.002, , , ,1, , ,1,  
vsweep,1  
vsweep,2

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 楼主| 发表于 2004-5-7 11:59:10 | 显示全部楼层 来自 天津和平区

回复: 【讨论】我做的新模型但是结果是错的,请各位高手帮忙改正谢谢!!!!!

狂谢NWPUYL老兄!
  
但是我在加载后为什么载荷是以一个固定热源的形式加到上面去的呢??
  
请大家解答!
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