新人求帮助，热源模型参数循环加载问题
TABLE : abc (Medium)1 / FORTRAN
FUNCTION F(X)
C
C F = QC * V1 * V2 * V3 with
C V1 = exp( -( YY-Y0-VY*TT )^2/AC^2 )
C V2 = exp( -( XX-X0 )^2/B^2 )
C V3 = exp( -( ZZ-Z0 )^2/C^2 )
C if ( -YY + Y0 +VY*TT ) greater than 0
C QC = QF et AC = AF
C else
C QC = QR et AC = AR
C
DIMENSION X(4)
C
C Input
C
XX = X(1) ; X Coordinate
YY = X(2) ; Y Coordinate
ZZ = X(3) ; Z Coordinate
TT = X(4) ; Time
C
C Variables
C
QF = 72.1725997925 ; Maximal front source intensity
QR = 36.0862998962 ; Maximal rearsource intensity
AF = 3 ; Gaussian parameter
AR = 4 ; Gaussian parameter
B= 2 ; Gaussian parameter
C= 3 ; Gaussian parameter
X0 = 0 ; X initial location of source center
Y0 = 0 ; Y initial location of source center
Z0 = 0 ; Z initial location of source center
VY = 0 ; Source displacement velocity
AY = 0 ; Angle of torch
C
C Constant
C
M1 = -1
PIDEG = ATAN(1.)
PIDEG = PIDEG / 45.
AY = AY * PIDEG
C
C Transformation of global to local coordinates
C
XD = XX - X0
YD = VY * TT
YD = YD + Y0
ZD = ZZ - Z0
C
C Source rotation about Y axis
C
SA = SIN( AY )
SA = - SA
CA = COS( AY )
A1 = XD * CA
A2 = ZD * SA
XL = A1 + A2
YL = YY - YD
A1 = ZD * CA
A2 = XD * SA
ZL = A1 - A2
C
C Condition computation, QC and AC initialisation
C
COND = VY * YL
IF (VY .EQ. 0.) COND = YL
QC = QR
AC = AR
IF( COND .GT. 0. ) QC = QF
IF( COND .GT. 0. ) AC = AF
C
C V1 computation
C
A1 = YL * YL
A2 = AC * AC
A2 = A1 / A2
A2 = M1 * A2
V1 = EXP( A2 )
C
C V2 computation
C
A1 = XL * XL
A2 = B * B
A2 = A1 / A2
A2 = M1 * A2
V2 = EXP( A2 )
C
C V3 computation
C
A1 = ZL * ZL
A2 = C * C
A2 = A1 / A2
A2 = M1 * A2
V3 = EXP( A2 )
C
C F computation
C
F = QC * V1
F = F * V2
F = F * V3
C
RETURN
END
FIN TABLE
这是一个双椭球体热源模型，我是用来模焊接过程用的，C Variables下面的那些参数就是双椭球的参数，我想再弄另一组双椭球的参数，让这个程序在第一组参数下运行19ms，然后换到第二组参数下运行4ms，再换到第一组参数下运行19ms，一直循环下去，实现循环加载。
本帖最后由 aliouying 于 2014-10-8 16:06 编辑
大体上按照你的意思是这个样子，但是我不知道如何控制你的参数运行情况，实在不懂你们专业的东西。
请根据代码自行修改。
Program www_fcode_cn
Implicit None
Real(8) :: x(4,2),y
Integer :: iDo,i
Real(8), External :: F
! ! 设置您的第一个参数
!
x(1,1) = ?
x(2,1) = ?
x(3,1) = ?
x(4,1) = ?
!
! 设置您的第二个参数
!
x(1,2) = ?
x(2,2) = ?
x(3,2) = ?
x(4,2) = ?
iDo = 0
Do
iDo = iDo + 1
Do i = 1 , 2
y = F(X(:,i))
write(*,*) '第',iDo,'次循环的第',i,'个参数计算结果为：',y
EndDo
EndDo
End Program www_fcode_cn
FUNCTION F(X)
Implicit None
real(8), Intent(in) :: X(4)
real(8) :: XX,YY,ZZ,TT
real(8) :: QF,QR,AF,AR,B,C,X0,Y0,Z0,VY,AY
Integer :: M1
Real(8) :: PIDEG
Real(8) :: XD,YD,ZD,SA,CA,A1,A2,XL,YL,ZL,F,V1,V2,V3,QC,AC,COND
!
! F = QC * V1 * V2 * V3 with
! V1 = exp( -( YY-Y0-VY*TT )^2/AC^2 )
! V2 = exp( -( XX-X0 )^2/B^2 )
! V3 = exp( -( ZZ-Z0 )^2/C^2 )
! if ( -YY + Y0 +VY*TT ) greater than 0
! QC = QF et AC = AF
! else
! QC = QR et AC = AR
!
!
! Input
!
XX = X(1) !; X Coordinate
YY = X(2) !; Y Coordinate
ZZ = X(3) !; Z Coordinate
TT = X(4) !; Time
!
! Variables
!
QF = 72.1725997925 !; Maximal front source intensity
QR = 36.0862998962 !; Maximal rearsource intensity
AF = 3 !; Gaussian parameter
AR = 4 !; Gaussian parameter
B= 2 !; Gaussian parameter
C= 3 !; Gaussian parameter
X0 = 0 !; X initial location of source center
Y0 = 0 !; Y initial location of source center
Z0 = 0 ! Z initial location of source center
VY = 0 !; Source displacement velocity
AY = 0 !; Angle of torch
!
! Constant
!
M1 = -1
PIDEG = ATAN(1.)
PIDEG = PIDEG / 45.
AY = AY * PIDEG
!
! Transformation of global to local coordinates
!
XD = XX - X0
YD = VY * TT
YD = YD + Y0
ZD = ZZ - Z0
!
! Source rotation about Y axis
!
SA = SIN( AY )
SA = - SA
CA = COS( AY )
A1 = XD * CA
A2 = ZD * SA
XL = A1 + A2
YL = YY - YD
A1 = ZD * CA
A2 = XD * SA
ZL = A1 - A2
!
! Condition computation, QC and AC initialisation
!
COND = VY * YL
IF (VY .EQ. 0.) COND = YL
QC = QR
AC = AR
IF( COND .GT. 0. ) QC = QF
IF( COND .GT. 0. ) AC = AF
!
! V1 computation
!
A1 = YL * YL
A2 = AC * AC
A2 = A1 / A2
A2 = M1 * A2
V1 = EXP( A2 )
!
! V2 computation
!
A1 = XL * XL
A2 = B * B
A2 = A1 / A2
A2 = M1 * A2
V2 = EXP( A2 )
!
! V3 computation
!
A1 = ZL * ZL
A2 = C * C
A2 = A1 / A2
A2 = M1 * A2
V3 = EXP( A2 )
!
! F computation
!
F = QC * V1
F = F * V2
F = F * V3
RETURN
END
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