/CONFIG,NRES,30000 /BATCH voben = 200 !Voltage applied to the top of the PZT layer vunten = 0 !Voltage applied to the bottom of the PZT layer /prep7 !Element types et,1,solid98 !Hexaedral Coupled-Field Solid et,2,solid95 !3-D 20-Node Structural !et,3,shell93 !Elektroden !------------------------ !Piezomaterial !------------------------ /com /com [c11 c13 c12 0 0 0 ] [ 0 0 e31 ] /com [c13 c11 c12 0 0 0 ] [ 0 0 e31 ] /com [c12 c13 c33 0 0 0 ] [ 0 0 e33 ] /com [ 0 0 0 c44 0 0 ] [ 0 0 0 ] /com [ 0 0 0 0 c55 0 ] [ 0 e52 0 ] /com [ 0 0 0 0 0 c66] [ e52 0 0 ] c11=12.29E10 c13=7.66E10 c12=7.02E10 c33=9.71E10 c44=2.32E10 c55=2.23E10 c66=2.23E10 tb,anel,1 !Define structural table tbdata,1,c11,c13,c12 !Steifigkeitsmatrix [c] tbdata,7,c11,c12 tbdata,12,c33 tbdata,16,c44 tbdata,19,c55 tbdata,21,c66 !Piezoelektrische Spannungsmatrix [e] e31=-7.07 e33=13.82 e52=11.91 tb,piez,1 !Define Piez. table tbdata,3,e13 tbdata,6,e31 tbdata,9,e33 tbdata,14,e52 tbdata,16,e52 mp,perx,1,929 !Permittivity (x direction) mp,pery,1,929 !Permittivity (y direction) mp,perz,1,857 !Permittivity (z direction) mp,dens,1,7800 !Density !------------------------ !Elektrodenmaterial !------------------------ !mp,ex,3,1.2E11 !mp,prxy,3,0.3 !R,1,1e-7, , , , , , !------------------------ !Beammaterial !------------------------ mp,ex,2,2.1E11 !Elastizitätsmodul mp,prxy,2,0.3 !Poisson Koeffizient mp,dens,2,7850 !Densität !------------------------ !Modellierung !------------------------ !________________________________________________Balken BLOCK,0,0.440,0,0.040,0,0.002, vatt,2,,2 !________________________________________________1.Elektrode !bLOCK,0.030,0.080,0.005,0.035,0.002,0.0021 !Elektrode 1 unten !bLOCK,0.030,0.080,0.005,0.035,0.0024,0.0025 !Elektrode 1 oben !________________________________________________2.Elektrode !bLOCK,0.110,0.160,0.005,0.035,0.002,0.0021 !Elektrode 2 unten !bLOCK,0.110,0.160,0.005,0.035,0.0024,0.0025 !Elektrode 2 oben !________________________________________________3.Elektrode !bLOCK,0.030,0.080,0.005,0.035,0,-0.0001 !Elektrode 3 unten !bLOCK,0.030,0.080,0.005,0.035,-0.0004,-0.0005 !Elektrode 3 oben !________________________________________________4.Elektrode !bLOCK,0.110,0.160,0.005,0.035,0,-0.0001 !Elektrode 4 unten !bLOCK,0.110,0.160,0.005,0.035,-0.0004,-0.0005 !Elektrode 4 oben !vatt,3,,3 !_______________________________________________Piezoelemente bLOCK,0.030,0.080,0.005,0.035,0.002,0.0022 !Piezoelement 1 bLOCK,0.110,0.160,0.005,0.035,0.002,0.0022 !Piezoelement 2 bLOCK,0.030,0.080,0.005,0.035,0,-0.0002 !Piezoelement 3 bLOCK,0.110,0.160,0.005,0.035,0,-0.0002 !Piezoelement 4 vatt,2,,2 vglue,all !------------------------ !Teile Einfährben !------------------------ vsel,s,mat,,1 !Piezo /color,volu,RED vsel,s,mat,,2 !Balken /color,volu,BLU !vsel,s,mat,,3 !Elektroden !/color,volu,YELL allsel vplot !------------------------ !Teile Meshen !------------------------ nummrg,nodes ESIZE,0.009 vmesh,all !EREF,ALL, , ,1,0,1,1 !CMDELE,_Y1 !------------------------ !Last aufbringen !------------------------ /GO DL,P51X, ,ALL,0 FLST,2,1,5,ORDE,1 FITEM,2,5 /GO DA,P51X,ALL,0 !*DIM,Last,TABLE,8,1 !*SET,Last(1,0) , 0.0 !*SET,Last(2,0) , 0.0065 !*SET,Last(3,0) , 0.008 !*SET,Last(4,0) , 2.0 !* !*SET,Last(1,1) , 0.0 !*SET,Last(2,1) , 5.0 !*SET,Last(3,1) , 0.0 !*SET,Last(4,1) , 0.0 !FLST,2,1,1,ORDE,1 !FITEM,2,2835 !/GO !F,P51X,FZ, %Last% NSEL,S,LOC,X,0.44 NSEL,R,LOC,Z,0.002 ! node force 1 NSEL,R,LOC,Y,0.02 *GET,Kraft,NODE, ,NUM,MIN F,Kraft,FZ,5 !------------------------ !Randbedingungen !------------------------ !___________Definition der 1. Elektrode NSEL,S,LOC,X,0.03,0.08 NSEL,R,LOC,y,0.005,0.035 NSEL,R,LOC,Z,0.002 CP,1,volt,all *get,piezoknoten1,NODE,0,NUM,MIN !d,piezoknoten1,volt,0 nsel,all NSEL,S,LOC,X,0.03,0.08 NSEL,R,LOC,y,0.005,0.035 NSEL,R,LOC,Z,0.0022 CP,1,volt,all *get,piezoknoten1,NODE,0,NUM,MIN d,piezoknoten1,volt,0 nsel,all !___________Definition der 2.Elektrode NSEL,S,LOC,X,0.11,0.16 NSEL,R,LOC,y,0.005,0.035 NSEL,R,LOC,Z,0.002 CP,2,volt,all *get,piezoknoten2,NODE,,NUM,MIN !d,piezoknoten2,volt,0 nsel,all NSEL,S,LOC,X,0.11,0.16 NSEL,R,LOC,y,0.005,0.035 NSEL,R,LOC,Z,0.0022 CP,2,volt,all *get,piezoknoten2,NODE,,NUM,MIN d,piezoknoten2,volt,0 nsel,all !___________Definition der 3. Elektrode NSEL,S,LOC,X,0.03,0.08 NSEL,R,LOC,y,0.005,0.035 NSEL,R,LOC,Z,0 CP,1,volt,all *get,piezoknoten3,NODE,0,NUM,MIN !d,piezoknoten3,volt,0 nsel,all NSEL,S,LOC,X,0.03,0.08 NSEL,R,LOC,y,0.005,0.035 NSEL,R,LOC,Z,-0.0002 CP,1,volt,all *get,piezoknoten3,NODE,0,NUM,MIN d,piezoknoten3,volt,0 nsel,all !___________Definition der 4.Elektrode NSEL,S,LOC,X,0.11,0.16 NSEL,R,LOC,y,0.005,0.035 NSEL,R,LOC,Z,0 CP,2,volt,all *get,piezoknoten4,NODE,,NUM,MIN !d,piezoknoten4,volt,0 nsel,all NSEL,S,LOC,X,0.11,0.16 NSEL,R,LOC,y,0.005,0.035 NSEL,R,LOC,Z,-0.0002 CP,2,volt,all *get,piezoknoten4,NODE,,NUM,MIN d,piezoknoten4,volt,0 nsel,all !------------------------ !Feste Einspannung !------------------------ NSEL,S,LOC,X,0 D,ALL,UZ,0, , , ,UX,UY !nsel,s,loc,x,0 !d,all,ux,0 !d,all,uy,0 !d,all,uz,0 allsel finish !___________________________________________________________Simulation !------------------------ !Modalanalyse !------------------------ !/SOL !ANTYPE,2 !MODOPT,LANB,10 !EQSLV,SPAR !MXPAND,10, , ,0 !LUMPM,0 !PSTRES,0 !MODOPT,LANB,10,0,1600, ,OFF !Solve !/POST1 !SET,LIST !------------------------ !Transientanalyse !------------------------ /SOL ANTYPE,4 TRNOPT,FULL LUMPM,0 betad,0.009 nlgeom,off NSUBST,100,100,0 KBC,1 LNSRCH,0 PRED,0 TIME,1 tintp,,0.25,0.5,0.5 !FLST,2,1,1,ORDE,1 !FITEM,2,2835 outres,erase outres,all,none outres,nsol,all outres,rsol,all outres,nload,all outres,strs,all outres,epel,all outres,eppl,all outres,v,all outres,a,all SOLVE finish /post26 Nsol,2,piezoknoten1, VOLT,Knotenspannung[V] plvar,2 /post26 Nsol,3,piezoknoten2, VOLT,Knotenspannung[V] plvar,3 /post26 Nsol,4,piezoknoten3, VOLT,Knotenspannung[V] plvar,4 /post26 Nsol,5,piezoknoten4, VOLT,Knotenspannung[V] plvar,5