【導(dǎo)讀】撰寫的成果作品。本人完全意識到本聲明的法律后果由本人承擔(dān)。向有關(guān)學(xué)位論文管理部門或機(jī)構(gòu)送交論文的復(fù)印件和電子版，允許論文被查閱和借閱。據(jù)庫進(jìn)行檢索，可以采用影印、縮印或掃描等復(fù)制手段保存和匯編本學(xué)位論文。的研究目的和意義。運(yùn)用有限元軟件ANSYS的APDL語言編寫模擬焊接瞬態(tài)過程程。一個區(qū)域內(nèi)產(chǎn)生拉應(yīng)力，在其相鄰區(qū)域產(chǎn)生壓應(yīng)力。由焊接產(chǎn)生的動態(tài)應(yīng)力應(yīng)變過程及其隨后形成的殘余應(yīng)力，是導(dǎo)致焊接裂。紋和接頭強(qiáng)度與性能下降的重要因素。迄今為止，焊接殘余應(yīng)力一直是人們關(guān)注的熱。點(diǎn)問題，仍是焊接生產(chǎn)領(lǐng)域中迫切需要解決的問題。近年來，國內(nèi)外學(xué)者對此進(jìn)行了。能源、和建筑等重要國民經(jīng)濟(jì)部門。鋼結(jié)構(gòu)體系具有自重輕、抗震性能優(yōu)、施工周期。其他結(jié)構(gòu)形成所無可比擬的，并逐漸成為順應(yīng)時代發(fā)展趨勢的高效結(jié)構(gòu)體系。

　　

【正文】 L,S,LOC,X,0 FINISH FLST,2,15,1,ORDE,4 FITEM,2,170 FITEM,2,180 FITEM,2,190 FITEM,2,202 FLST,2,15,1,ORDE,4 FITEM,2,170 FITEM,2,180 FITEM,2,190 FITEM,2,202 !* D,P51X, , , , , ,UX,UY, , , , NSEL,S,LOC,X,0 NSEL,A,LOC,X,1 FLST,2,30,1,ORDE,7 FITEM,2,170 FITEM,2,180 FITEM,2,190 FITEM,2,202 FITEM,2,320 FITEM,2,330 FITEM,2,343 !* D,P51X, ,20, , , ,TEMP, , , , , ALLSEL,ALL FINISH !* OUTRES,ALL,ALL, FLST,2,469,1,ORDE,2 FITEM,2,1 FITEM,2,469 IC,P51X,TEMP,20, , TIMINT,0,STRUCT TIMINT,1,THERM TIMINT,0,MAG TINTP, , ,1, !* FINISH FLST,2,84,2 FITEM,2,90 FITEM,2,97 FITEM,2,83 FITEM,2,76 FITEM,2,69 FITEM,2,62 FITEM,2,55 FITEM,2,111 FITEM,2,112 FITEM,2,110 FITEM,2,109 FITEM,2,108 FITEM,2,107 FITEM,2,106 FITEM,2,96 FITEM,2,95 FITEM,2,94 FITEM,2,93 FITEM,2,92 FITEM,2,85 FITEM,2,78 FITEM,2,71 FITEM,2,64 FITEM,2,57 FITEM,2,50 FITEM,2,146 FITEM,2,147 FITEM,2,145 FITEM,2,144 FITEM,2,143 FITEM,2,142 FITEM,2,141 FITEM,2,134 FITEM,2,127 FITEM,2,120 FITEM,2,113 FITEM,2,114 FITEM,2,121 FITEM,2,128 FITEM,2,135 FITEM,2,136 FITEM,2,129 FITEM,2,122 FITEM,2,115 FITEM,2,123 FITEM,2,116 FITEM,2,130 FITEM,2,137 FITEM,2,138 FITEM,2,131 FITEM,2,124 FITEM,2,117 FITEM,2,118 FITEM,2,125 FITEM,2,132 FITEM,2,139 FITEM,2,140 FITEM,2,133 FITEM,2,119 FITEM,2,54 FITEM,2,126 FITEM,2,53 FITEM,2,52 FITEM,2,51 FITEM,2,58 FITEM,2,60 FITEM,2,59 FITEM,2,67 FITEM,2,61 FITEM,2,68 FITEM,2,66 FITEM,2,65 FITEM,2,72 FITEM,2,73 FITEM,2,80 FITEM,2,79 FITEM,2,86 FITEM,2,87 FITEM,2,88 FITEM,2,89 FITEM,2,81 FITEM,2,82 FITEM,2,74 FITEM,2,75 EKILL,P51X ESEL,S,LIVE ESEL,R,MAT,2 NSLE,S FLST,2,79,1,ORDE,14 FITEM,2,1 FITEM,2,3 FITEM,2,10 FITEM,2,35 FITEM,2,49 FITEM,2,55 FITEM,2,97 FITEM,2,128 FITEM,2,134 FITEM,2,140 FITEM,2,146 FITEM,2,152 FITEM,2,158 FITEM,2,164 !* D,P51X, ,1500, , , ,TEMP, , , , , ALLSEL,ALL EPLOT !* TIME, AUTOTS,1 NSUBST,1, , ,1 KBC,1 !* TSRES,ERASE LSWRITE,1, !* TIME, AUTOTS,1 NSUBST,1, , ,1 KBC,1 !* TSRES,ERASE LSWRITE,2, ESEL,S,LIVE ESEL,R,MAT,2 NSLE,S FLST,2,79,1,ORDE,14 FITEM,2,1 FITEM,2,3 FITEM,2,10 FITEM,2,35 FITEM,2,49 FITEM,2,55 FITEM,2,97 FITEM,2,128 FITEM,2,134 FITEM,2,140 FITEM,2,146 FITEM,2,152 FITEM,2,158 FITEM,2,164 DDELE,P51X,TEMP ALLSEL,ALL EPLOT !* TIME,5 AUTOTS,1 NSUBST,2, , ,1 KBC,1 !* TSRES,ERASE LSWRITE,3, FLST,2,84,2 FITEM,2,97 FITEM,2,93 FITEM,2,95 FITEM,2,96 FITEM,2,94 FITEM,2,92 FITEM,2,90 FITEM,2,83 FITEM,2,76 FITEM,2,69 FITEM,2,62 FITEM,2,55 FITEM,2,112 FITEM,2,111 FITEM,2,110 FITEM,2,109 FITEM,2,108 FITEM,2,107 FITEM,2,106 FITEM,2,113 FITEM,2,120 FITEM,2,127 FITEM,2,134 FITEM,2,141 FITEM,2,135 FITEM,2,142 FITEM,2,128 FITEM,2,121 FITEM,2,114 FITEM,2,115 FITEM,2,122 FITEM,2,129 FITEM,2,136 FITEM,2,143 FITEM,2,144 FITEM,2,137 FITEM,2,130 FITEM,2,123 FITEM,2,116 FITEM,2,117 FITEM,2,124 FITEM,2,131 FITEM,2,138 FITEM,2,145 FITEM,2,139 FITEM,2,146 FITEM,2,147 FITEM,2,50 FITEM,2,57 FITEM,2,64 FITEM,2,71 FITEM,2,78 FITEM,2,85 FITEM,2,86 FITEM,2,87 FITEM,2,88 FITEM,2,89 FITEM,2,81 FITEM,2,80 FITEM,2,79 FITEM,2,82 FITEM,2,75 FITEM,2,74 FITEM,2,73 FITEM,2,72 FITEM,2,65 FITEM,2,67 FITEM,2,68 FITEM,2,60 FITEM,2,66 FITEM,2,59 FITEM,2,58 FITEM,2,51 FITEM,2,140 FITEM,2,133 FITEM,2,132 FITEM,2,126 FITEM,2,52 FITEM,2,53 FITEM,2,61 FITEM,2,54 FITEM,2,119 FITEM,2,118 FITEM,2,125 EALIVE,P51X FLST,5,84,2,ORDE,16 FITEM,5,50 FITEM,5,55 FITEM,5,57 FITEM,5,62 FITEM,5,64 FITEM,5,69 FITEM,5,71 FITEM,5,76 FITEM,5,78 FITEM,5,83 FITEM,5,85 FITEM,5,90 FITEM,5,92 FITEM,5,97 FITEM,5,106 FITEM,5,147 ESEL,S, , ,P51X NSLE,S FLST,2,105,1,ORDE,7 FITEM,2,2 FITEM,2,10 FITEM,2,35 FITEM,2,50 FITEM,2,55 FITEM,2,98 FITEM,2,169 !* D,P51X, ,1500, , , ,TEMP, , , , , ALLSEL,ALL EPLOT !* TIME, AUTOTS,1 NSUBST,1, , ,1 KBC,1 !* TSRES,ERASE LSWRITE,4, !* TIME, AUTOTS,1 NSUBST,1, , ,1 KBC,1 !* TSRES,ERASE LSWRITE,5, FLST,2,171,1,ORDE,28 FITEM,2,2 FITEM,2,9 FITEM,2,36 FITEM,2,43 FITEM,2,62 FITEM,2,68 FITEM,2,74 FITEM,2,75 FITEM,2,80 FITEM,2,82 FITEM,2,86 FITEM,2,89 FITEM,2,92 FITEM,2,169 FITEM,2,181 FITEM,2,287 FITEM,2,300 FITEM,2,305 FITEM,2,313 FITEM,2,319 FITEM,2,351 FITEM,2,352 FITEM,2,359 FITEM,2,365 FITEM,2,372 FITEM,2,378 FITEM,2,385 FITEM,2,387 DDELE,P51X,TEMP !* TIME,10 AUTOTS,1 NSUBST,2, , ,1 KBC,1 !* TSRES,ERASE LSWRITE,6, !* TIME,50000 AUTOTS,1 NSUBST,40, , ,1 KBC,1 !* TSRES,ERASE LSWRITE,7, LSSOLVE,1,7,1, FINISH SET,441, , , !* PLNSOL, TEMP, 0, SET,LAST PLNSOL, S,EQV, 0, SAVE FINISH