! Parameter t=0.02 pi=3.1416 rpm=33000 !Drehzahl [1/min] omega=2*pi*rpm/60 ms=6.238 !Winkelgeschwindigkeit [1/s] m_S=10 !Masse Schaufeln [kg] p_L=-ms*omega**2/(2*pi*t) !Druck Schaufeln [Pa] ! Festlegung des Titels der Sitzung /title, Scheibe !---------------------------------------------------- /prep7 TREF,873, !---Materialdaten MP,DENS,1,4470 !Dichte MPTEMP,1,873 MPDATA,EX,1,,122.5e9 MPDATA,PRXY,1,,0.3 TB,BISO,1,1,2, TBTEMP,873 TBDATA,,860e6,10.617e9,,,, !---Generierung der Geometrie ! Punkte k,1,0.06,0,0 k,2,0.06,t/2,0 k,3,0.2,t/2,0 k,4,0.2,0,0 ! Linien LSTR,1,2 LSTR,2,3 LSTR,3,4 LSTR,4,1 AL, all !---Element Eigenschaften !PLANE183 - 2-D 8-Node Structural Solid ET,1,183 KEYOPT,1,3,1 ESIZE,0.0015,0 TYPE,1 MAT,1 SMRT,1 MSHKEY,0 MSHAPE,0,2d ASEL, , , ,all AMESH,all !---------------------------------------------------- !--Lösung /SOLU j=1 loops=10 *DIM,omegab,array,loops+1, *DIM,time,array,loops+1, *DIM,n,table,loops+1,2 *DIM,nr,table,loops+1,2 omegab(1)=omega time(1)=0 n(0,1)=0 n(0,2)=rpm *DO,i,1,loops,1 /SOLU p_L=-ms*omegab(i)**2/(2*pi*t) SFL,3,PRES,p_L,p_L OMEGA,0,omegab(i),0,0 KBC,0 !Rampe ANTYPE,0 SOLCONTROL,1 NLGEOM,1 NSUBST,20,, ARCLEN,1,, ARCTRM,L AUTOTS,OFF DL,4,,UY,0 SOLVE FINISH /POST1 *GET,time(i),ACTIVE,0,SET,TIME,, n(i,1)=i n(i,2)=omegab(i)*60/(2*pi)*time(i) nr(i,2)=omegab(i)*60/(2*pi) omegab(i+1)=1/4*(time(i)*3+1)*omegab(i) *If,abs(time(i)-1),LE,1e-3,THEN *EXIT *ENDIF FINISH *ENDDO