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