Ansys的KBC选项：单调加载与滞回曲线分析

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1、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,30so。

2、lvefinish/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,。

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,SHELL143 R,1,12, , , , , MP,EX,1, MP,NUXY,1,0.3 !双线性随动强化模型 TB,BKIN,1,1,2,1 TBDATA,310,600, !定义关键点、线、面 K,1,54,0,0 K,2,-54,0,0 K,3,54,0,1000 K,4,-54,0,1000 A,1,2,4,3 !定义边界荷强迫位移,划分网格 AESIZE,ALL,27, MSHAPE,0,。

4、2D MSHKEY,0 CM,_Y,AREA ASEL, , , , 1 CM,_Y1,AREA CMSEL,S,_Y AMESH,_Y1 *do,i,1,5 D,i,ALL,0 *enddo OUTPR,BASIC,ALL, OUTRES,ALL,ALL, !第1荷载步 D,46,ux,10 TIME,1 AUTOTS,0 NSUBST,10, , ,1 KBC,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,-10 TIME,3 AUTOTS,0 NSUBST,20, , ,1 KBC,0 LSWRITE,0。

5、2, !第3荷载步 D,46,ux,20 TIME,5 AUTOTS,0 NSUBST,20, , ,1 KBC,0 LSWRITE,03, !第4荷载步 D,46,ux,-20 TIME,7 AUTOTS,0 NSUBST,20, , ,1 KBC,0 LSWRITE,04, D,46,ux,30 TIME,9 AUTOTS,0 NSUBST,20, , ,1 KBC,0 LSWRITE,05, D,46,ux,-30 TIME,11 AUTOTS,0 NSUBST,20, , ,1 KBC,0 LSWRITE,06, D,46,ux,40 TIME,13 AUTOTS,0 NSUBST,2。

6、0, , ,1 KBC,0 LSWRITE,07, D,46,ux,-40 TIME,15 AUTOTS,0 NSUBST,20, , ,1 KBC,0 LSWRITE,08, D,46,ux,60 TIME,17 AUTOTS,0 NSUBST,20, , ,1 KBC,0 LSWRITE,09, D,46,ux,-60 TIME,19 AUTOTS,0 NSUBST,20, , ,1 KBC,0 LSWRITE,10, !求解 FINISH /SOLU LSSOLVE,1,10,1, !画出荷载位移曲线 FINISH /POST26 NSOL,2,46,U,X, RFORCE,3,46,F,X, XVAR,2 PLVAR,3, , , , , , , , , ,=。

 相关资源： 循环载荷作用下的力学分析ansys示例

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