用ansys進(jìn)行滯回分析-在線瀏覽
2024-08-05 18:43本頁(yè)面
【正文】 4荷載步 D,46,ux,30 TIME,7 AUTOTS,0 NSUBST,20, , ,1 KBC,0 LSWRITE,04,!第1荷載步OUTRES,ALL,ALL,OUTPR,BASIC,ALL,*enddoD,i,ALL,0*do,i,1,5AMESH,_Y1CMSEL,S,_YCM,_Y1,AREA 1ASEL, , , ,CM,_Y,AREAMSHKEY,0MSHAPE,0,2DAESIZE,ALL,27,!定義邊界荷強(qiáng)迫位移,劃分網(wǎng)格A,1,2,4,3K,4,54,0,1000K,3,54,0,1000K,2,54,0,0K,1,54,0,0!定義關(guān)鍵點(diǎn)、線、面TBDATA,310,600,TB,BKIN,1,1,2,1!雙線性隨動(dòng)強(qiáng)化模型MP,NUXY,1,MP,EX,1,196784R,1,12, , , , ,ET,1,SHELL143!定義單元類型，實(shí)常數(shù)，材料特性 /PREP7用ANSYS進(jìn)行滯回分析 希望你能給我提些建議。 ET,1,BEAM3KEYOPT,2,1,0KEYOPT,2,3,2R,2,0,0,600,MPTEMP,1,0MPDATA,PRXY,1,MPTEMP,1,0K,1,K,3,6,KPLOTLSTR,3,4LSEL,s,LINE,1,3,2,LSEL,S,LINE,2LSEL,all,LMESH,ALL,/ESHAPE,/RATIO,1,1,1TYPE, 2REAL, 3E,2,14FINISH*SET,DT,*VREAD,AC(1),RECORD,TXT/SOLU !模態(tài)分析MODOPT,SUBSP,8SOLVE!得到自振頻率1/CONFIG,NRES,20000ANTYPE,TRANSALPHAD,2*DAMPRATIO*FREQ1*2**DO,I,1,500TIME,I*SOLVEFINISH單柱滯回曲線問(wèn)題（命令流＋圖）建立一個(gè)單柱模型，進(jìn)行位移加載。材料的應(yīng)力應(yīng)變曲線（見(jiàn)命令流中）為三折線，均有明顯的下降段，但是計(jì)算后的柱頂位移－柱底剪力滯回曲線上沒(méi)有發(fā)現(xiàn)結(jié)構(gòu)有明顯的剛度退化現(xiàn)象，反而呈現(xiàn)一種理想彈塑性的滯回曲線樣式，不得其解！fini/prep7n,16,fill
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