! 2D coupled field model, PZT, Adhesive, Steel - 2nodes support ! Untersuchung der Bruchdehnung fini /cle !**************** material property values ***************** Es=200e9 !steel nus=0.28 rs=20e-3 hs=200e-6 lr=2.3e-3 load=0.1 !******************** element types **************************** /prep7 et,1,plane183,,,1 !Steel type,1 mp,ex,1,200e6 mp,prxy,1,0.3 r,1 et,2,plane183,,,1 type,2 mp,ex,2,200e6 mp,prxy,2,0.3 et,3,targe169,,1 ! Contact et,4,conta175,,1 keyo,4,7,2 r,2 r,3 !********************** geometry *************************** BLC4,0,0,rs,hs BLC4,0,0,lr,hs AOVLAP,ALL BLC4,(rs-2e-3),-2e-3,4e-3,2e-3 asel,all !********************* mesh ********************************** mshkey,1 mshape,0,2d ESIZE,(rs/200) mat,1 !Steel Plate type,1 real,1 lesize,4,,,3 lesize,2,,,3 lesize,6,,,3 amesh,3 amesh,4 mat,2 type,2 !Support real,1 amesh,1 allsel !***************** defining source and target nodes**************** asel,s,,,3 nsla,s,1 nsel,r,loc,x,(rs-2e-3),rs nsel,r,loc,y,0 cm,source,node asel,s,,,1 nsla,s,1 nsel,r,loc,x,(rs-2e-3),rs nsel,r,loc,y,0 cm,target,node !******************** contact elements*************************** allsel type,3 mat,3 real,2 cmsel,s,target esurf,,target allsel type,4 mat,3 cmsel,s,source esurf,,source type,3 mat,3 real,3 cmsel,s,source esurf,,source type,4 cmsel,s,target esurf,,target allsel !********************** loads *********************************** !nsel,s,loc,x,lr !nsel,r,loc,y,hs !*get,num,node,0,count !F,all,fy,-load nsel,s,loc,x,0 nsel,r,loc,y,0 d,all,uy,-0.42e-3 allsel !******************* boundary conditions *********************** asel,s,,,1 !support nsla,s,1 d,all,ux,0 d,all,uy,0 !nsel,all !center constrain !nsel,s,loc,x,0 !d,all,ux,0 lsel,s,loc,x,0 !Symmetry constraints dl,all,,symm nsel,all fini !********************** solve ********************************** /SOLU antype,stat,new !nlgeom,on allsel time,1 nsubst,20,100 autots,on ! auto time stepping pred,on ! predictor on nropt,full,,on ! Newton-Raphson on solve fini !********************* results ******************************** /post1 path,one,2,,100 ! Define path name and parameters ppath,1,,0,0,0 ! Define path along bimorph length ppath,2,,rs,0,0 pdef,Uy,u,y /axlab,x, Position (m) /axlab,y, Deflection (m) plpath,Uy /replot