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lebendig新蟲(chóng) (初入文壇)
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[求助]
ansys熱應(yīng)力瞬態(tài)分析不收斂 已有1人參與
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我做的是一個(gè)管道，其內(nèi)充滿水，管道外部某一段的溫度會(huì)隨時(shí)間變化的模型，但是計(jì)算總是不收斂 有沒(méi)有哪位大神可以幫我看一看是什么原因呀，謝謝啦 以下是我的log文件 /PREP7 !* ET,1,PLANE223,11 !* KEYOPT,1,1,11 KEYOPT,1,2,1 KEYOPT,1,3,1 KEYOPT,1,4,0 KEYOPT,1,9,0 KEYOPT,1,10,0 !* !* MPTEMP,,,,,,,, MPTEMP,1,0 MPDATA,EX,1,,1.93e11 MPDATA,PRXY,1,,0.247 MPTEMP,,,,,,,, MPTEMP,1,0 UIMP,1,REFT,,,20 MPDATA,ALPX,1,,1.72e-5 MPTEMP,,,,,,,, MPTEMP,1,0 MPDATA,KXX,1,,16.3 MPTEMP,,,,,,,, MPTEMP,1,0 MPDATA,C,1,,500 MPTEMP,,,,,,,, MPTEMP,1,0 MPDATA,DENS,1,,7930 MPTEMP,,,,,,,, MPTEMP,1,-120 MPTEMP,2,-1 MPTEMP,3,0 MPTEMP,4,5 MPTEMP,5,50 MPDATA,EX,2,,1.076e10 MPDATA,EX,2,,1.076e10 MPDATA,EX,2,,1e6 MPDATA,EX,2,,1e6 MPDATA,EX,2,,1e6 MPDATA,PRXY,2,,0.33 MPDATA,PRXY,2,,0.33 MPDATA,PRXY,2,,0.33 MPDATA,PRXY,2,,0.33 MPDATA,PRXY,2,,0.33 MPTEMP,,,,,,,, MPTEMP,1,-120 MPTEMP,2,-1 MPTEMP,3,0 MPTEMP,4,5 MPTEMP,5,50 UIMP,2,REFT,,, MPDATA,ALPX,2,,4-5 MPDATA,ALPX,2,,9.2e-5 MPDATA,ALPX,2,,2.23e-5 MPDATA,ALPX,2,,5.67e-6 MPDATA,ALPX,2,,1e-4 MPTEMP,,,,,,,, MPTEMP,1,0 MPDATA,KXX,2,,0.61 MPTEMP,,,,,,,, MPTEMP,1,-120 MPTEMP,2,-1 MPTEMP,3,0 MPTEMP,4,50 MPDATA,DENS,2,,900 MPDATA,DENS,2,,900 MPDATA,DENS,2,,1000 MPDATA,DENS,2,,1000 MPTEMP,,,,,,,, MPTEMP,1,-120 MPTEMP,2,-1 MPTEMP,3,0 MPTEMP,4,50 MPDATA,ENTH,2,,0 MPDATA,ENTH,2,,5.00e8 MPDATA,ENTH,2,,5.42e8 MPDATA,ENTH,2,,7.52e8 BLC4,0,0,0.0675,0.008 BLC4,0.0675,0,1.2,0.008 BLC4,0,0.008,1.2675,0.076 FLST,2,3,5,ORDE,2 FITEM,2,1 FITEM,2,-3 AGLUE,P51X FLST,5,3,4,ORDE,3 FITEM,5,2 FITEM,5,4 FITEM,5,6 CM,_Y,LINE LSEL, , , ,P51X CM,_Y1,LINE CMSEL,,_Y !* FLST,5,2,5,ORDE,2 FITEM,5,1 FITEM,5,4 CM,_Y,AREA ASEL, , , ,P51X CM,_Y1,AREA CMSEL,S,_Y !* CMSEL,S,_Y1 AATT, 1, , 1, 0, CMSEL,S,_Y CMDELE,_Y CMDELE,_Y1 !* CM,_Y,AREA ASEL, , , , 5 CM,_Y1,AREA CMSEL,S,_Y !* CMSEL,S,_Y1 AATT, 2, , 1, 0, CMSEL,S,_Y CMDELE,_Y CMDELE,_Y1 !* FLST,5,3,4,ORDE,3 FITEM,5,2 FITEM,5,4 FITEM,5,6 CM,_Y,LINE LSEL, , , ,P51X CM,_Y1,LINE CMSEL,,_Y !* LESIZE,_Y1,0.002, , , , , , ,1 !* FLST,5,7,4,ORDE,5 FITEM,5,1 FITEM,5,3 FITEM,5,11 FITEM,5,13 FITEM,5,-16 CM,_Y,LINE LSEL, , , ,P51X CM,_Y1,LINE CMSEL,,_Y !* LESIZE,_Y1,0.004, , , , , , ,1 !* MSHAPE,0,2D MSHKEY,1 !* !* AMAP,5,12,4,11,7 !* !* AMAP,1,4,3,2,1 !* !* AMAP,4,3,2,6,7 !* FINISH /SOL !* ANTYPE,4 !* TRNOPT,FULL LUMPM,0 !* FLST,2,1,4,ORDE,1 FITEM,2,11 !* /GO DL,P51X, ,UY,0 FLST,2,2,4,ORDE,2 FITEM,2,4 FITEM,2,15 !* /GO DL,P51X, ,UX,0 TREF,20, FLST,2,1,4,ORDE,1 FITEM,2,1 !* /GO DL,P51X, ,TEMP,26,0 NSUBST,0.1,0.01,0.01 OUTRES,ERASE OUTRES,ALL,ALL LNSRCH,1 TIME,0.01 FINISH /POST1 FINISH /SOL LSWRITE,1, FLST,2,1,4,ORDE,1 FITEM,2,1 !* /GO DL,P51X, ,TEMP,8,0 NSUBST,100,200,50 TIME,600 FINISH /POST1 FINISH /SOL LSWRITE,2, FLST,2,1,4,ORDE,1 FITEM,2,1 !* /GO DL,P51X, ,TEMP,-10,0 TIME,1500 LSWRITE,3, FLST,2,1,4,ORDE,1 FITEM,2,1 !* /GO DL,P51X, ,TEMP,-35,0 TIME,5400 LSWRITE,4, FLST,2,1,4,ORDE,1 FITEM,2,1 !* /GO DL,P51X, ,TEMP,-41,0 TIME,6000 LSWRITE,5, FLST,2,1,4,ORDE,1 FITEM,2,1 !* /GO DL,P51X, ,TEMP,-60,0 TIME,8100 LSWRITE,6, FLST,2,1,4,ORDE,1 FITEM,2,1 !* /GO DL,P51X, ,TEMP,-75,0 TIME,9600 LSWRITE,7, FLST,2,1,4,ORDE,1 FITEM,2,1 !* /GO DL,P51X, ,TEMP,-100,0 TIME,12000 LSWRITE,8, FLST,2,1,4,ORDE,1 FITEM,2,1 !* /GO DL,P51X, ,TEMP,-110,0 TIME,13200 LSWRITE,9, FLST,2,1,4,ORDE,1 FITEM,2,1 !* /GO DL,P51X, ,TEMP,-114,0 TIME,13800 LSWRITE,10, |
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【答案】應(yīng)助回帖
感謝參與，應(yīng)助指數(shù) +1
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初步看了一下你的命令流，先說(shuō)一個(gè)問(wèn)題： NSUBST 設(shè)置不對(duì)，如： NSUBST,0.1,0.01,0.01 其中的數(shù)值應(yīng)該是計(jì)算的子步數(shù)，必須是正整數(shù)。具體請(qǐng)見(jiàn)幫助文件中的有關(guān)內(nèi)容。 對(duì)于不收斂的情況，首先可以考慮增加子步數(shù)，比如改為： NSUBST,10,10000,2 或者設(shè)置的更多一些。 如果仍解決不了，且愿意支付少量費(fèi)用的話，可以通過(guò)郵件和我聯(lián)系： htbbzzg@163.com |
2樓2019-11-29 08:43:13
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