SpectraRust/synspec/extracted/linop.f
2026-03-19 14:05:33 +08:00

159 lines
4.2 KiB
Fortran

SUBROUTINE LINOP(ID,ABLIN,EMLIN,AVAB)
C =====================================
C
C TOTAL LINE OPACITY (ABLIN) AND EMISSIVITY (EMLIN)
C
INCLUDE 'PARAMS.FOR'
INCLUDE 'MODELP.FOR'
INCLUDE 'SYNTHP.FOR'
INCLUDE 'LINDAT.FOR'
PARAMETER (UN = 1.,
* EXT0 = 3.17,
* TEN = 10.,
* C3 = 1.4387886,
* XET = 8067.6,
* XET3 = XET*C3)
DIMENSION ABLIN(MFREQ),EMLIN(MFREQ),ABLINN(MFREQ)
COMMON/PRFQUA/DOPA1(MATOM,MDEPTH),VDWC(MDEPTH)
COMMON/NLTPOP/PNLT(MATOM,MION,MDEPTH)
common/lasers/lasdel
C
DO 10 IJ=1,NFREQ
ABLIN(IJ)=0.
ABLINN(IJ)=0.
EMLIN(IJ)=0.
10 CONTINUE
C
IF(NLIN.EQ.0) RETURN
C
C overall loop over contributing lines
C
TEM1=UN/TEMP(ID)
DO 100 I=1,NLIN
IL=INDLIN(I)
INNLT=INDNLT(IL)
IAT=INDAT(IL)/100
ION=MOD(INDAT(IL),100)
LPR=.TRUE.
ISP=ISPRF(IL)
IF(ISP.GT.1.AND.ISP.LE.5) LPR=.FALSE.
IF (ISP.GE.6) GO TO 100
CALL PROFIL(IL,IAT,ID,AGAM)
DOP1=DOPA1(IAT,ID)
FR0=FREQ0(IL)
IF(INNLT.EQ.0) THEN
AB0=EXP(GF0(IL)-EXCL0(IL)*TEM1)*RRR(ID,ION,IAT)*
* DOP1*STIM(ID)
ELSE IF(INNLT.GT.0) THEN
AB0=ABCENT(INNLT,ID)
SL0=SLIN(INNLT,ID)
ELSE
ILW=ILOWN(IL)
IUN=IUPN(IL)
COR=1.
PP=PNLT(IAT,ION,ID)
IF(ILW.GT.0) THEN
PI=POPUL(ILW,ID)/G(ILW)
ELSE
PI=PP*EXP((ENEV(IAT,ION)*XET3-EXCL0(IL))*TEM1)
END IF
IF(IUN.GT.0) THEN
PJ=POPUL(IUN,ID)/G(IUN)
cor=(excu0(il)-excl0(il)+
* (enion(iun)-enion(ilw))/1.38054e-16)*tem1
cor=exp(cor)
ELSE
PJ=PP*EXP((ENEV(IAT,ION)*XET3-EXCU0(IL))*TEM1)
END IF
if(pj.gt.0.) then
X=PI/PJ*cor
else
x=un
end if
IF(X.EQ.UN) X=EXP(4.79928E-11*FREQ0(IL)*TEM1)
SL0=BNUL(IL)/(X-UN)
ab0=0.
if(pi.gt.0.) AB0=PI*(UN-UN/X)*EXP(GF0(IL))*DOP1
END IF
if(ab0.le.0.and.lasdel) go to 100
C
C set up limiting frequencies where the line I is supposed to
C contribute to the opacity
C
EX0=AB0/AVAB*AGAM
EXT=EXT0
IF(EX0.GT.TEN) EXT=SQRT(EX0)
EXT=EXT/DOP1
XIJEXT=DFRCON*EXT+1.5
c IJ1=MAX(IJCNTR(I)-IJEXT,3)
c IJ2=MIN(IJCNTR(I)+IJEXT,NFREQS)
IJ1=int(MAX(float(IJCNTR(I))-XIJEXT,3.))
IJ2=int(MIN(float(IJCNTR(I))+XIJEXT,float(NFREQS)))
IF(IJ1.GE.NFREQ.OR.IJ2.LE.2) GO TO 100
C
IF(INNLT.EQ.0) THEN
C
C *********
C LTE lines
C *********
C
IF(LPR) THEN
C
DO 40 IJ=IJ1,IJ2
XF=ABS(FREQ(IJ)-FR0)*DOP1
ABLIN(IJ)=ABLIN(IJ)+AB0*VOIGTK(AGAM,XF)
40 CONTINUE
C
C special expressions for 4 selected He I lines
C
ELSE
DO 60 IJ=3,NFREQ
FR=FREQ(IJ)
ABL=AB0*PHE1(ID,FR,ISP-1)
ABLIN(IJ)=ABLIN(IJ)+ABL
60 CONTINUE
END IF
C
C **********
C NLTE LINES
C **********
C
ELSE
IF(LPR) THEN
C
DO 80 IJ=IJ1,IJ2
XF=ABS(FREQ(IJ)-FR0)*DOP1
ABL=AB0*VOIGTK(AGAM,XF)
ABLINN(IJ)=ABLINN(IJ)+ABL
EMLIN(IJ)=EMLIN(IJ)+ABL*SL0
80 CONTINUE
C
C again, special expressions for 4 selected He I lines
C
ELSE
DO 90 IJ=3,NFREQ
FR=FREQ(IJ)
ABL=AB0*PHE1(ID,FR,ISP-1)
ABLINN(IJ)=ABLINN(IJ)+ABL
EMLIN(IJ)=EMLIN(IJ)+ABL*SL0
90 CONTINUE
END IF
END IF
100 CONTINUE
C
DO 110 IJ=3,NFREQ
EMLIN(IJ)=EMLIN(IJ)+ABLIN(IJ)*PLAN(ID)
ABLIN(IJ)=ABLIN(IJ)+ABLINN(IJ)
110 CONTINUE
C
C special routine for selected He II lines
C
IF(NSP.EQ.0) RETURN
DO 120 IS=1,NSP
ISP=ISP0(IS)
IF(ISP.GE.6.AND.ISP.LE.24) CALL PHE2(ISP,ID,ABLIN,EMLIN)
120 CONTINUE
C
RETURN
END