ANSYS单调加载、滞回曲线

Ansys中关于分布加载的情况模拟1.单调加载[do循环的应用]2.滞回曲线!EX4.20线性/非线性静态分析的荷载步直接求解P288王新敏教材步骤：Time荷载步----nsubst子步--------施加荷载（位移或力）-------solve求解/soluantype,0nlgeom,on！打开大变形（即非线性打开）outres,all,allautots,offtime,1nsubst,10f,2,fy,-2000solvetime,2f,2,fy,2000nsubst,20solvetime,3f,2,fy,-4000nsubst,30solvetime,4f,2,fy,4000nsubst,30solvefinish/post26nsol,2,2,u,yrforce,3,1,f,yprod,4,2,,,,,,-1/axlab,x,Uy/axlab,y,Fyxvar,4plvar,3prvar,3,4画荷载-位移曲线的方法=====!EX8.5端部受集中力的悬臂梁几何非线性分析P452王新敏教材/soludk,1,allantype,0nlgeom,1nsubst,20outres,all,all*do,i,1,10fk,2,fy,-i*phztime,i*phzsolve*enddo！单调加载的方法/post26nsol,2,2,u,ynsol,3,2,u,xprod,4,2,,,,,,-1prod,5,3,,,,,,-1xvar,4plvar,1ANSYS绘制滞回曲线前段时间刚学的用ANSYS绘制钢框架接点的滞回曲线。现在写了命令流给大家看一下了：/PREP7!定义单元类型，实常数，材料特性ET,1,SHELL143R,1,12,,,,,MP,EX,1,196784MP,NUXY,1,0.3!双线性随动强化模型TB,BKIN,1,1,2,1TBDATA,,310,600,,,,!定义关键点、线、面K,1,54,0,0K,2,-54,0,0K,3,54,0,1000K,4,-54,0,1000A,1,2,4,3!定义边界荷强迫位移,划分网格AESIZE,ALL,27,MSHAPE,0,2DMSHKEY,0CM,_Y,AREAASEL,,,,1CM,_Y1,AREACMSEL,S,_YAMESH,_Y1*do,i,1,5D,i,ALL,0*enddoOUTPR,BASIC,ALL,OUTRES,ALL,ALL,!第1荷载步D,46,ux,10TIME,1AUTOTS,0NSUBST,10,,,1KBC,0!kbc,0:载荷一步步加上去的kbc,1:载荷一下子就加上去了LSWRITE,01,!第2荷载步D,46,ux,-10TIME,3AUTOTS,0NSUBST,20,,,1KBC,0LSWRITE,02,!第3荷载步D,46,ux,20TIME,5AUTOTS,0NSUBST,20,,,1KBC,0LSWRITE,03,!第4荷载步D,46,ux,-20TIME,7AUTOTS,0NSUBST,20,,,1KBC,0LSWRITE,04,D,46,ux,30TIME,9AUTOTS,0NSUBST,20,,,1KBC,0LSWRITE,05,D,46,ux,-30TIME,11AUTOTS,0NSUBST,20,,,1KBC,0LSWRITE,06,D,46,ux,40TIME,13AUTOTS,0NSUBST,20,,,1KBC,0LSWRITE,07,D,46,ux,-40TIME,15AUTOTS,0NSUBST,20,,,1KBC,0LSWRITE,08,D,46,ux,60TIME,17AUTOTS,0NSUBST,20,,,1KBC,0LSWRITE,09,D,46,ux,-60TIME,19AUTOTS,0NSUBST,20,,,1KBC,0LSWRITE,10,!求解FINISH/SOLULSSOLVE,1,10,1,!画出荷载位移曲线FINISH/POST26NSOL,2,46,U,X,RFORCE,3,46,F,X,XVAR,2PLVAR,3,,,,,,,,,,=================================================