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ansys施加正弦载荷的例子

/PREP7

ET,1,SHELL63 R,1,0.1

MP,EX,1,2e11 MP,NUXY,1,0.3 MP,DENS,1,7800

BLC4,,,10,2 AATT,1,1,1,0 AESIZE,ALL,0.8 MSHAPE,0,2D MSHKEY,0 AMESH,ALL FINISH SAVE /SOLU ANTYPE,4 TRNOPT,FULL

LSEL,S,LOC,X,0 DL,ALL,,ALL,0 ALLSEL,ALL

FZ_KP=KP(10,2,0) DT=0.1

*DO,J,1,40

FK,FZ_KP,FZ,3000*SIN(2*3.14*DT*J) TIME,DT*J NSUBST,1,,,1 KBC,0

OUTRES,ALL,ALL SOLVE *ENDDO

TIME,40*DT+2 NSUBST,20,,,1 KBC,0 SOLVE

FINISH

/POST26

N_FZ=NODE(10,2,0) NSOL,2,N_FZ,U,Z,UZ PLVAR,2

比如我要定义一个正弦载荷，如下：force=-1000+2000*sin(6.28*10*t),t是时间，分析的时间是0——5秒，并分成500份瞬态加载 *do,t,1,5,0.01

force=-1000+2000*sin(6.28*10*t) f,node,fx,force time,i solve *enddo

/SOLU ANTYPE,4 TRNOPT,FULL ALLSEL,ALL DT=0.001 *DO,J,1,40

F, NTOP,FZ,SIN(2*3.14*DT*J) TIME,DT*J NSUBST,1,,,1 KBC,0

OUTRES,ALL,ALL SOLVE *ENDDO

TIME,4000*DT+2

NSUBST,20,,,1 KBC,0 SOLVE FINISH

/SOLU ANTYPE,4 TRNOPT,FULL

FZ_KP=KP(10,2,0) DT=0.001 *DO,J,1,40

FK,FZ_KP,FZ,3000*SIN(2*3.14*DT*J) TIME,DT*J NSUBST,1,,,1 KBC,0

OUTRES,ALL,ALL SOLVE *ENDDO

TIME,4000*DT+2 NSUBST,20,,,1 KBC,0 SOLVE FINISH

/POST26

N_FZ=NODE(10,2,0) NSOL,2,N_FZ,U,Z,UZ PLVAR,2