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[求助]
幫忙找一下這段程序中的問題吧
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大概模型是,雙層的靶,電子轟擊到靶上,我用熱生成率hgen來代替電子打靶產(chǎn)生的熱量,上層是鎢靶,下層是不銹鋼靶。 但是問題是我用hgen加上載荷后只有鎢靶加上了載荷,而下層無論如何也加不上了,就這么個小問題,折磨死我了,請各位幫忙看看這段apdl的問題,怎么才能讓下層的不銹鋼也加上載荷謝謝! !雙層靶 /FILNAME,target /PREP7 ! 進(jìn)入前處理器 R=0.004 H=0.001 Q=2.9e14 t=0.000004 ET,1,PLANE55 !* KEYOPT,2,1,2 KEYOPT,2,2,0 KEYOPT,2,3,0 KEYOPT,2,4,0 KEYOPT,2,5,0 !* !* KEYOPT,1,1,0 KEYOPT,1,3,1 KEYOPT,1,4,0 KEYOPT,1,8,0 KEYOPT,1,9,0 !* !定義隨溫度變化的參數(shù) MPTEMP,1,300 MPTEMP,2,500 MPTEMP,3,1000 MPTEMP,4,1500 MPTEMP,5,2000 MPTEMP,6,2500 MPTEMP,7,3000 MPDATA,KXX,1,,171.5 !上層半徑4毫米,厚1mm的鎢片 MPDATA,KXX,1,,149.5 MPDATA,KXX,1,,119.5 MPDATA,KXX,1,,107.1 MPDATA,KXX,1,,98.8 MPDATA,KXX,1,,92.5 MPDATA,KXX,1,,87.8 MPDATA,DENS,1,,19350 MPDATA,DENS,1,,19350 MPDATA,DENS,1,,19350 MPDATA,DENS,1,,19350 MPDATA,DENS,1,,19350 MPDATA,DENS,1,,19350 MPDATA,DENS,1,,19350 MPDATA,C,1,,132.2 MPDATA,C,1,,138.9 MPDATA,C,1,,147.7 MPDATA,C,1,,158.8 MPDATA,C,1,,167.9 MPDATA,C,1,,176.5 MPDATA,C,1,,186.7 MPTEMP,1,300 MPTEMP,2,500 MPTEMP,3,1000 MPTEMP,4,1500 MPTEMP,5,2000 MPTEMP,6,2500 MPTEMP,7,3000 MPDATA,KXX,2,,80.4 !下層半徑8mm,厚3mm的不銹鋼 MPDATA,KXX,2,,80.4 MPDATA,KXX,2,,80.4 MPDATA,KXX,2,,80.4 MPDATA,KXX,2,,80.4 MPDATA,KXX,2,,80.4 MPDATA,KXX,2,,80.4 MPDATA,DENS,2,,78600 MPDATA,DENS,2,,78600 MPDATA,DENS,2,,78600 MPDATA,DENS,2,,78600 MPDATA,DENS,2,,78600 MPDATA,DENS,2,,78600 MPDATA,DENS,2,,78600 MPDATA,C,2,,448 MPDATA,C,2,,448 MPDATA,C,2,,448 MPDATA,C,2,,448 MPDATA,C,2,,448 MPDATA,C,2,,448 MPDATA,C,2,,448 !關(guān)鍵點建模 K,1,,,, K,2,0.008,,, K,3,0.008,0.004,, K,4,0.004,0.004,, K,5,0,0.004,, K,6,0,0.003,, K,7,0.004,0.003,, /DIST,1,1.08222638492,1 /REP,FAST /DIST,1,1.08222638492,1 /REP,FAST /DIST,1,1.08222638492,1 /REP,FAST /DIST,1,1.08222638492,1 /REP,FAST FLST,2,6,3 FITEM,2,1 FITEM,2,2 FITEM,2,3 FITEM,2,4 FITEM,2,7 FITEM,2,6 A,P51X FLST,2,4,3 FITEM,2,5 FITEM,2,4 FITEM,2,7 FITEM,2,6 A,P51X FLST,2,2,5,ORDE,2 FITEM,2,1 FITEM,2,-2 AGLUE,P51X !劃分網(wǎng)格 /UI,MESH,OFF CM,_Y,AREA ASEL, , , , 2 CM,_Y1,AREA CMSEL,S,_Y !* CMSEL,S,_Y1 AATT, 1, , 1, 0, CMSEL,S,_Y CMDELE,_Y CMDELE,_Y1 !* CM,_Y,AREA ASEL, , , , 1 CM,_Y1,AREA CMSEL,S,_Y !* CMSEL,S,_Y1 AATT, 2, , 2, 0, CMSEL,S,_Y CMDELE,_Y CMDELE,_Y1 !* CM,_Y,AREA ASEL, , , , 1 CM,_Y1,AREA CMSEL,S,_Y !* CMSEL,S,_Y1 AATT, 2, , 1, 0, CMSEL,S,_Y CMDELE,_Y CMDELE,_Y1 !* ESIZE,r/40,0, MSHAPE,0,2D MSHKEY,0 !* FLST,5,2,5,ORDE,2 FITEM,5,1 FITEM,5,-2 CM,_Y,AREA ASEL, , , ,P51X CM,_Y1,AREA CHKMSH,'AREA' CMSEL,S,_Y !* AMESH,_Y1 !* CMDELE,_Y CMDELE,_Y1 CMDELE,_Y2 !* /UI,MESH,OFF !施加載荷 DOFSEL,S, , FCUM,ADD,1, DOFSEL,ALL !* BFCUM,TEMP,REPL,1,0, BFCUM,HGEN,ADD,1, BFCUM,CHRGD,REPL,1, BFCUM,FLUE,REPL,1, BFCUM,JS,REPL,1, !* nsel,s,loc,Z,0 nsel,s,loc,x,0,0.001 nsel,r,loc,y,0,0.004 BF,all,hgen,q /SOLU tunif,300 toffst,273 ANTYPE,TRANS TIME,t DELTIM,t/10 KBC,0 AUTOTS,ON OUTRES,ALL,ALL ALLSEL,ALL SAVE solve [ Last edited by taofei on 2013-1-4 at 10:09 ] |
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主要問題: 1 你只定義了一種單元類型,因此以下幾句話是多余的,會報錯: !* KEYOPT,2,1,2 KEYOPT,2,2,0 KEYOPT,2,3,0 KEYOPT,2,4,0 KEYOPT,2,5,0 !* 2 最關(guān)鍵的是:不銹鋼的材料數(shù)據(jù)中,密度大了 10 倍: 應(yīng)該是 7860,你定義為 78600 改正該數(shù)據(jù),結(jié)果就對了。 下面兩個圖,一個是改正后的結(jié)果,另一個是未改正的結(jié)果。 target001.jpg(38.36KB) http://kuai.xunlei.com/d/LnU4DdnDNX3nUAQAeb6?p=130497 target002.jpg(37KB) http://kuai.xunlei.com/d/LnU4DdvDVH3nUAQA0b5?p=130497 |
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