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zhuqw金蟲 (小有名氣)
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[求助]
預應力求解問題
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問題是這樣的,我現(xiàn)在要做激光器封裝應力應變分析,先進行回流,在回流求的形變和應力的基礎上在求解激光器工作時候的應力和應變。單獨進行回流和單獨進行工作的都做過,都沒問,但是現(xiàn)在整合到一塊就各種報錯,現(xiàn)在有一個問題,程序跑不下去了,錯誤日志的提示是這樣: *** ERROR *** CP = 143.209 TIME= 21:08:24 The size of the displacement vector in the .ESAV file is 27914. It does not match with the size of the displacement vector in the current analysis which is equal to 83742. Please send the data leading to this operation to your technical support provider, as this will allow ANSYS, Inc to improve the program. *** ERROR *** CP = 143.677 TIME= 21:08:58 File file.mode does not exist. 我的命令流是這樣的,建模和網(wǎng)格就不放了,因為模型是最簡化的用來測試求解代碼能不能運行的,所以網(wǎng)格很粗陋,錯誤很多(已經(jīng)2000多K了錯誤日志),不過我覺得應該不影響后面求解命令的執(zhí)行。求解命令: *** ERROR *** CP = 143.209 TIME= 21:08:24 The size of the displacement vector in the .ESAV file is 27914. It does not match with the size of the displacement vector in the current analysis which is equal to 83742. Please send the data leading to this operation to your technical support provider, as this will allow ANSYS, Inc to improve the program. *** ERROR *** CP = 143.677 TIME= 21:08:58 File file.mode does not exist. !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!求解回流!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !* /SOLU ANTYPE,STATIC EQSLV,JCG TOFFST,273.15 NSEL,S,LOC,Y,0 D,ALL,TEMP,25 ALLSEL,ALL SOLVE FINISH /PREP7 ETCHG,TTS TREF,156 ALLSEL FINISH /SOLU ANTYPE,STATIC LDREAD,TEMP,,,,,,RTH NSEL,S,LOC,Y,0 D,ALL,UY,0 NSEL,S,LOC,Z,-12445 D,ALL,UZ,0 ALLSEL SOLVE FINISH !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!求解工作!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! /POST1 *GET,MXNID,NODE,,NUM,MAX MAX_NODE=MXNID *DO,I,1,MAX_NODE,1 *IF,I,LE,MAX_NODE,THEN NODE_SELECTED=NSEL(I) NODE_SELECTED=1 *ENDIF *ENDDO *VGET,NL,NODE,,NLIST !Return the list of selected nodes *VGET,SX,NODE,,S,X *VGET,SY,NODE,,S,Y *VGET,SZ,NODE,,S,Z *VGET,UX,NODE,,U,X *VGET,UY,NODE,,U,Y *VGET,UZ,NODE,,U,Z !Generate Ist File *cfopen,node-based-ist.dat *VWRITE ('INISTATE,SET,NODE,1') *VWRITE,NL(1),SX(1),SY(1),SZ(1),UX(1),UY(1),UZ(1) ('INIS,DEFI,',F6.0,' , , , , ',E,' , ',E,' , ',E,',0.0,0.0,0.0') *CFCLOS /PREP7 UPGEOM, , , ,file,RST !Adds displacements from a previous analysis and updates the geometry of the finite element model to the deformed configuration CDWRITE,COMB,file,CDB FINISH /SOLU DDELE,ALL,ALL D,ALL,ALL NALL ANTYPE,STATIC !*Read in Node Based IST Data /inp,node-based-ist.dat ESEL,S,ELEM,,1,9,1 /out INISTATE,LIST !讀出初始應力狀態(tài) ALLSEL,ALL PSTRESS,ON !Thermal prestress EMATWRITE,YES SOLVE FINISH !*Perform prestress modal analsis !*計算工作溫度 /PREP7 ETCHG,STT ALLSEL FINISH /SOLU DDELE,ALL,ALL EQSLV,SPARSE BCSOPTION,,INCOERE !運行核內(nèi)計算 TOFFST,273.15 NSEL,S,LOC,Y,0 D,ALL,TEMP,25 ASEL,ALL VSEL,S,LOC,Y,8255,8405 *SET,TOTAL_OUTPUT_POWER,20 SINGLE_AVERAGE_POWER=TOTAL_OUTPUT_POWER/19 SINGLE_VOLUME=(150E-6)*(10E-8)*(2E-3) TEMP_HEAT_GENERATION=SINGLE_AVERAGE_POWER/SINGLE_VOLUME HEAT_GENERATION=TEMP_HEAT_GENERATION*(10E-6) BFV,ALL,HGEN,HEAT_GENERATION ALLSEL,ALL SOLVE FINISH /PREP7 ETCHG,TTS TREF,25 ALLSEL FINISH /SOLU DDELE,ALL,ALL LDREAD,TEMP,,,,,,RTH NSEL,S,LOC,X,0 DSYM,SYMM,X,, NSEL,S,LOC,Y,0 D,ALL,UY,0 NSEL,S,LOC,Z,-12445 NALL ANTYPE,MODAL PSTRESS,ON MODOPT,LANB,5, !EMATWRITE,YES PSOLVE,ELFORM ALLSEL SOLVE FINISH 命令是參考著ANSYS幫助手冊的node-based initial寫的,很多還不明白為什么,比如NALL是什么的縮寫? |
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金蟲 (小有名氣)
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新出來的兩條錯誤信息,是接在那兩個信息之后的 *** WARNING *** CP = 149.090 TIME= 09:43:57 SOLVE is not a recognized BEGIN command, abbreviation, or macro. This command will be ignored. *** WARNING *** CP = 149.636 TIME= 09:44:02 The current solution may have been produced using different model or boundary condition data than is currently stored. POST1 results may be erroneous unless you perform a new solution using the stored data. |
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