主题:[讨论]程序
H(i,j)=H(1,1)-(j-1)*F(i)*Q0^2
Q(i,j)=Q0
continue
H(i+1,i)=H(i,NN)
continue
NN=N(NP)+1
HS=H(NP,NN)
QS=Q0
DO 85 i=1,NP
NN=N(i)+1
NN=N(i)+1
DO 85 J=1,NN
Hmax(i,j)=H(i,j)
Hmin(i,j)=H(i,j)
continue
T=0.0
tau=tau0
write(6,88)
format(/8X,'time',2X,'tau',2X,'pipe',7X,'head(M)',7X,'disch.'1'(M3/S)'/20X,'NO',5x,'(1)',5X,'(N+1)',5X,'(1)',5X,'(N+1)'/)
K=0
i=1
NN=N(i)+1
write(6,100)T,tau,i,H(i,1),H(i,NN),Q(i,1)
Q(i,NN)
format(F12.1,F6.3,I4.2F9.2,F9.3,F10.3)
if(NP.EQ.1)GO TO 150
do 140 i=2,NP
NN=N(i)+1
write(6,120)i,H(i,1),H(i,NN),Q(i,1),Q(i,NN)
format(20X,I2,2F9.2,F9.3,F10.3)
continue
T=T+DT
K=k+1
if(T.GT,ilast)GO TO 240
upstream reservoir
Hpp(1,1)=Hres
CN=Q(1,2)-H(1,2*CA(1)-CF(1)*Q(1,1)*ABS((Q(i,1))
QP(1,1)=CN+CA(1)*Hres
interior points
do 170 i=1,NP
NN=N(1)
CN=Q(i,J+1)-CA(i)*H(i,j+1)-CP(i)*Q(i,j+1)*abs(Q(i,j+1))
CP=Q(i,J-1)-CA(i)*H(i,j-1)-CP(i)*Q(i,j-1)*abs(Q(i,j-1))
QP(i,j)=0.5*(CP+CN)
Hp(i,j)=(CP-QP(i,j))/CA(i)
continue
continue
series junction
NPi=NP-1
if(NO.EQ.1)GO TO 178
DO 175 i=1,NP1
N1=N(i)
NN=N(i)+1
CN=Q(i+1,2)-CA(i+1)*H(i+1,2)-CF(i+1)*Q(i+1,2)*ABS(Q(i+1,2) 1)
CN=Q(i,N1)+CA(i)*H(i,N1)-CF(i)*Q(i,N1)*ABS(Q(i,N1) 1)
HP(i,NN)=(CP-CN)/(CA(i)+CA(i+1))
HP(i+1,1)=HP(i,NN)
QP(i,NN)=CP-CA(i)*HP(i,NN)
continue
Cvalve at downstream end
NN=N(NP)+1
CP=Q(NP,NN-1)+CA(NP)*H(NP,NN-1)-CF(NP)*Q(NP,
NN-1)*ABS(Q(NP,1 NN-1)
If(t,ge,tv)go to 180
Call parab(t,dxt,y,tau)
Go to 190
TAU-TAUF
If(tau,le,0,0)go to 200
CV=(QS*TAU)**2/(HS*CA(NP))
QP(NP,NN)=0.5*(-CV+SQRT(CV*CV+4.*CP*CV))
HP(NP,NN)=(CP-QP(NP,NN))/CA(NP)
Go to 210
qp(np,nn)=0.0
Hp(np,nn)=cp/ca(np)
stcring variables for next time step
do 230 i=1,np
NN=N(NP)=1
Do 220 j=1,nn
Q(i,j)=Qp(i,j)
H(i,j)=Hp(i,j)
If(H(i,j),gt,Hmax(i,j))Hmax(i,j)=H(i,j)
If (H(i,f),lt,Hmin(i,j))Hmin(i,j)=H(i,j)
continue
continue
If (k,fq,iprint)go to 90
Go to 150
write(6,250)
format(/8x,pipi no,3x,section no,3x,max
Press,,3x,1min,press,/)
Do 270 i=1,NP
NN=N(i)=1
Do 270 j=1,nn
Write(6,266)i,j,hmax(i,j),hmin(i,j)
format(9x,i2,3x,i2,2fi3,2)
continue
Stop
End
Subroutine parab(x,dx,y,x)
Dimension y(20)
I=X/DX
R=(X-i*DX)*DX
If(i,eq,0)r=r-1
I=I=1
If(i,lt,2)i=2
Z=Y(I)=0.5*R*(Y(i=1)=R*(Y(i+1)*Y(i-1)-2*Y(i)))
Return
End
这个程序怎么运行 还有就是怎么改正确了可以运行啊 我是个菜鸟啊 谢谢了 !!
Q(i,j)=Q0
continue
H(i+1,i)=H(i,NN)
continue
NN=N(NP)+1
HS=H(NP,NN)
QS=Q0
DO 85 i=1,NP
NN=N(i)+1
NN=N(i)+1
DO 85 J=1,NN
Hmax(i,j)=H(i,j)
Hmin(i,j)=H(i,j)
continue
T=0.0
tau=tau0
write(6,88)
format(/8X,'time',2X,'tau',2X,'pipe',7X,'head(M)',7X,'disch.'1'(M3/S)'/20X,'NO',5x,'(1)',5X,'(N+1)',5X,'(1)',5X,'(N+1)'/)
K=0
i=1
NN=N(i)+1
write(6,100)T,tau,i,H(i,1),H(i,NN),Q(i,1)
Q(i,NN)
format(F12.1,F6.3,I4.2F9.2,F9.3,F10.3)
if(NP.EQ.1)GO TO 150
do 140 i=2,NP
NN=N(i)+1
write(6,120)i,H(i,1),H(i,NN),Q(i,1),Q(i,NN)
format(20X,I2,2F9.2,F9.3,F10.3)
continue
T=T+DT
K=k+1
if(T.GT,ilast)GO TO 240
upstream reservoir
Hpp(1,1)=Hres
CN=Q(1,2)-H(1,2*CA(1)-CF(1)*Q(1,1)*ABS((Q(i,1))
QP(1,1)=CN+CA(1)*Hres
interior points
do 170 i=1,NP
NN=N(1)
CN=Q(i,J+1)-CA(i)*H(i,j+1)-CP(i)*Q(i,j+1)*abs(Q(i,j+1))
CP=Q(i,J-1)-CA(i)*H(i,j-1)-CP(i)*Q(i,j-1)*abs(Q(i,j-1))
QP(i,j)=0.5*(CP+CN)
Hp(i,j)=(CP-QP(i,j))/CA(i)
continue
continue
series junction
NPi=NP-1
if(NO.EQ.1)GO TO 178
DO 175 i=1,NP1
N1=N(i)
NN=N(i)+1
CN=Q(i+1,2)-CA(i+1)*H(i+1,2)-CF(i+1)*Q(i+1,2)*ABS(Q(i+1,2) 1)
CN=Q(i,N1)+CA(i)*H(i,N1)-CF(i)*Q(i,N1)*ABS(Q(i,N1) 1)
HP(i,NN)=(CP-CN)/(CA(i)+CA(i+1))
HP(i+1,1)=HP(i,NN)
QP(i,NN)=CP-CA(i)*HP(i,NN)
continue
Cvalve at downstream end
NN=N(NP)+1
CP=Q(NP,NN-1)+CA(NP)*H(NP,NN-1)-CF(NP)*Q(NP,
NN-1)*ABS(Q(NP,1 NN-1)
If(t,ge,tv)go to 180
Call parab(t,dxt,y,tau)
Go to 190
TAU-TAUF
If(tau,le,0,0)go to 200
CV=(QS*TAU)**2/(HS*CA(NP))
QP(NP,NN)=0.5*(-CV+SQRT(CV*CV+4.*CP*CV))
HP(NP,NN)=(CP-QP(NP,NN))/CA(NP)
Go to 210
qp(np,nn)=0.0
Hp(np,nn)=cp/ca(np)
stcring variables for next time step
do 230 i=1,np
NN=N(NP)=1
Do 220 j=1,nn
Q(i,j)=Qp(i,j)
H(i,j)=Hp(i,j)
If(H(i,j),gt,Hmax(i,j))Hmax(i,j)=H(i,j)
If (H(i,f),lt,Hmin(i,j))Hmin(i,j)=H(i,j)
continue
continue
If (k,fq,iprint)go to 90
Go to 150
write(6,250)
format(/8x,pipi no,3x,section no,3x,max
Press,,3x,1min,press,/)
Do 270 i=1,NP
NN=N(i)=1
Do 270 j=1,nn
Write(6,266)i,j,hmax(i,j),hmin(i,j)
format(9x,i2,3x,i2,2fi3,2)
continue
Stop
End
Subroutine parab(x,dx,y,x)
Dimension y(20)
I=X/DX
R=(X-i*DX)*DX
If(i,eq,0)r=r-1
I=I=1
If(i,lt,2)i=2
Z=Y(I)=0.5*R*(Y(i=1)=R*(Y(i+1)*Y(i-1)-2*Y(i)))
Return
End
这个程序怎么运行 还有就是怎么改正确了可以运行啊 我是个菜鸟啊 谢谢了 !!