SUBROUTINE OPACFA(IJ) C ===================== C C Absorption, emission, and scattering coefficients C at frequency IJ and for all depths C C Saves additionally contributions per ion (for computing C ionic cooling and heating rates, see routine COOLRT) C C Input: IJ opacity and emissivity is calculated for the C frequency points with index IJ C Output: ABSO1 - array of absorption coefficient C EMIS1 - array of emission coefficient C SCAT1 - array of scattering coefficient (all scattering C mechanisms except electron scattering) C INCLUDE 'IMPLIC.FOR' INCLUDE 'BASICS.FOR' INCLUDE 'ATOMIC.FOR' INCLUDE 'MODELQ.FOR' INCLUDE 'ODFPAR.FOR' INCLUDE 'ALIPAR.FOR' COMMON/COOLCO/ABSOTI(MION,MDEPTH),EMISTI(MION,MDEPTH), * ABSOC1(MDEPTH),EMISC1(MDEPTH) PARAMETER (C14=2.99793D14, CFF1=1.3727D-25) C C initialize c IF(ICOMPT.GT.0) THEN DO ID=1,ND ELSCAT(ID)=ELEC(ID)*SIGEC(IJ) END DO END IF C DO ID=1,ND ABSO1(ID)=ELSCAT(ID) EMIS1(ID)=0. SCAT1(ID)=ELSCAT(ID) ABSOC1(ID)=ABSO1(ID) EMISC1(ID)=0. DO ION=1,NION ABSOTI(ION,ID)=0. EMISTI(ION,ID)=0. END DO END DO C C basic frequency- and depth-dependent quantities C FR=FREQ(IJ) FRINV=UN/FR FR3INV=FRINV*FRINV*FRINV lfre=fr.gt.frtabm DO ID=1,ND XKF(ID)=EXP(-HKT1(ID)*FR) XKF1(ID)=UN-XKF(ID) XKFB(ID)=XKF(ID)*BNUE(IJ) END DO C C ******** 1a. bound-free contribution - without dielectronic rec. C if(ifdiel.eq.0) then DO IBFT=1,NTRANC ITR=ITRBF(IBFT) SG=CROSS(IBFT,IJ) II=ILOW(ITR) JJ=IUP(ITR) iad=iadop(iatm(ii)) if(sg.gt.0..and.(iad.eq.0.or.(iad.gt.0.and.lfre))) then IZZ=IZ(IEL(II)) IMER=IMRG(II) DO ID=1,ND SGD=SG IF(MCDW(ITR).GT.0) THEN CALL DWNFR1(FR,FR0(ITR),ID,IZZ,DW1) DWF1(MCDW(ITR),ID)=DW1 SGD=SG*DW1 END IF IF(IFWOP(II).LT.0) THEN CALL SGMER1(FRINV,FR3INV,IMER,ID,SGME1) SGMG(IMER,ID)=SGME1 SGD=SGME1 END IF EMISBF=SGD*EMTRA(ITR,ID) ABSO1(ID)=ABSO1(ID)+SGD*ABTRA(ITR,ID) EMIS1(ID)=EMIS1(ID)+EMISBF ABSOTI(IEL(II),ID)=ABSOTI(IEL(II),ID)+SGD*ABTRA(ITR,ID) EMISTI(IEL(II),ID)=EMISTI(IEL(II),ID)+EMISBF END DO END IF END DO else C C ******** 1b. bound-free contribution - with dielectronic rec. C DO IBFT=1,NTRANC ITR=ITRBF(IBFT) II=ILOW(ITR) JJ=IUP(ITR) iad=iadop(iatm(ii)) if(sg.gt.0..and.(iad.eq.0.or.(iad.gt.0.and.lfre))) then IZZ=IZ(IEL(II)) IMER=IMRG(II) DO ID=1,ND SG=CROSSD(IBFT,IJ,ID) IF(SG.GT.0.) THEN SGD=SG IF(MCDW(ITR).GT.0) THEN CALL DWNFR1(FR,FR0(ITR),ID,IZZ,DW1) DWF1(MCDW(ITR),ID)=DW1 SGD=SG*DW1 END IF IF(IFWOP(II).LT.0) THEN CALL SGMER1(FRINV,FR3INV,IMER,ID,SGME1) SGMG(IMER,ID)=SGME1 SGD=SGME1 END IF EMISBF=SGD*EMTRA(ITR,ID) ABSO1(ID)=ABSO1(ID)+SGD*ABTRA(ITR,ID) EMIS1(ID)=EMIS1(ID)+EMISBF ABSOTI(IEL(II),ID)=ABSOTI(IEL(II),ID)+SGD*ABTRA(ITR,ID) EMISTI(IEL(II),ID)=EMISTI(IEL(II),ID)+EMISBF END IF END DO END IF END DO end if C C ******** 2. free-free contribution C DO ION=1,NION IT=ITRA(NNEXT(ION),NNEXT(ION)) iad=iadop(iatm(nnext(ion))) if(iad.gt.0.and..not.lfre) go to 40 C C hydrogenic with Gaunt factor = 1 C IF(IT.EQ.1) THEN DO ID=1,ND SF1=SFF3(ION,ID)*FR3INV SF2=SFF2(ION,ID) IF(FR.LT.FF(ION)) SF2=UN/XKF(ID) ABSOFF=SF1*SF2 ABSO1(ID)=ABSO1(ID)+ABSOFF EMIS1(ID)=EMIS1(ID)+ABSOFF ABSOTI(ION,ID)=ABSOTI(ION,ID)+ABSOFF EMISTI(ION,ID)=EMISTI(ION,ID)+ABSOFF END DO C C hydrogenic with exact Gaunt factor C ELSE IF(IT.EQ.2) THEN DO ID=1,ND SF1=SFF3(ION,ID)*FR3INV SF2=SFF2(ION,ID) IF(FR.LT.FF(ION)) SF2=UN/XKF(ID) X=C14*CHARG2(ION)/FR SF2=SF2-UN+GFREE1(ID,X) ABSOFF=SF1*SF2 ABSO1(ID)=ABSO1(ID)+ABSOFF EMIS1(ID)=EMIS1(ID)+ABSOFF ABSOTI(ION,ID)=ABSOTI(ION,ID)+ABSOFF EMISTI(ION,ID)=EMISTI(ION,ID)+ABSOFF END DO C C H minus free-free opacity C ELSE IF(IT.EQ.3) THEN DO ID=1,ND ABSOFF=SFFHMI(POPUL(NFIRST(IELH),ID),FR,TEMP(ID))* * ELEC(ID) ABSO1(ID)=ABSO1(ID)+ABSOFF EMIS1(ID)=EMIS1(ID)+ABSOFF ABSOTI(ION,ID)=ABSOTI(ION,ID)+ABSOFF EMISTI(ION,ID)=EMISTI(ION,ID)+ABSOFF END DO C C special evaluation of the cross-section C ELSE IF(IT.LT.0) THEN DO ID=1,ND ABSOFF=FFCROS(ION,IT,TEMP(ID),FR)* * POPUL(NNEXT(ION),ID)*ELEC(ID) ABSO1(ID)=ABSO1(ID)+ABSOFF EMIS1(ID)=EMIS1(ID)+ABSOFF ABSOTI(ION,ID)=ABSOTI(ION,ID)+ABSOFF EMISTI(ION,ID)=EMISTI(ION,ID)+ABSOFF END DO END IF 40 CONTINUE END DO C C ******** 3. - additional continuum opacity (OPADD) C IF(IOPADD.NE.0) THEN ICALL=1 DO ID=1,ND CALL OPADD(0,ICALL,IJ,ID) ABSO1(ID)=ABSO1(ID)+ABAD EMIS1(ID)=EMIS1(ID)+EMAD SCAT1(ID)=SCAT1(ID)+SCAD ABSOTI(IELH,ID)=ABSOTI(IELH,ID)+ABAD EMISTI(IELH,ID)=EMISTI(IELH,ID)+EMAD END DO END IF C DO ID=1,ND ABSOC1(ID)=ABSO1(ID) EMISC1(ID)=EMIS1(ID) END DO IF(ICOOLP.EQ.0) GO TO 500 C C ******** 4. - opacity and emissivity in lines C IF(ISPODF.EQ.0) THEN IF(IJLIN(IJ).GT.0) THEN C C the "primary" line at the given frequency C ITR=IJLIN(IJ) iad=iadop(iatm(ilow(itr))) if(iad.eq.0.or.(lfre.and.iad.gt.0)) then ION=IEL(ILOW(ITR)) DO ID=1,ND SG=PRFLIN(ID,IJ) ABSO1(ID)=ABSO1(ID)+SG*ABTRA(ITR,ID) EMIS1(ID)=EMIS1(ID)+SG*EMTRA(ITR,ID) ABSOTI(ION,ID)=ABSOTI(ION,ID)+SG*ABTRA(ITR,ID) EMISTI(ION,ID)=EMISTI(ION,ID)+SG*EMTRA(ITR,ID) END DO end if ENDIF IF(NLINES(IJ).LE.0) GO TO 200 C C the "overlapping" lines at the given frequency C DO 100 ILINT=1,NLINES(IJ) ITR=ITRLIN(ILINT,IJ) iad=iadop(iatm(ilow(itr))) if(iad.gt.0.and..not.lfre) go to 100 if(linexp(itr)) goto 100 IJ0=IFR0(ITR) DO IJT=IJ0,IFR1(ITR) IF(FREQ(IJT).LE.FR) THEN IJ0=IJT GO TO 70 END IF END DO 70 IJ1=IJ0-1 A1=(FR-FREQ(IJ0))/(FREQ(IJ1)-FREQ(IJ0)) A2=UN-A1 ION=IEL(ILOW(ITR)) DO ID=1,ND SG=A1*PRFLIN(ID,IJ1)+A2*PRFLIN(ID,IJ0) ABSO1(ID)=ABSO1(ID)+SG*ABTRA(ITR,ID) EMIS1(ID)=EMIS1(ID)+SG*EMTRA(ITR,ID) ABSOTI(ION,ID)=ABSOTI(ION,ID)+SG*ABTRA(ITR,ID) EMISTI(ION,ID)=EMISTI(ION,ID)+SG*EMTRA(ITR,ID) END DO 100 CONTINUE 200 CONTINUE C C Opacity sampling option C ELSE IF(NLINES(IJ).LE.0) GO TO 400 DO 300 ILINT=1,NLINES(IJ) ITR=ITRLIN(ILINT,IJ) iad=iadop(iatm(ilow(itr))) if(iad.gt.0.and..not.lfre) go to 300 ION=IEL(ILOW(ITR)) KJ=IJ-IFR0(ITR)+KFR0(ITR) INDXPA=IABS(INDEXP(ITR)) IF(INDXPA.NE.3 .AND. INDXPA.NE.4) THEN DO ID=1,ND SG=PRFLIN(ID,KJ) ABSO1(ID)=ABSO1(ID)+SG*ABTRA(ITR,ID) EMIS1(ID)=EMIS1(ID)+SG*EMTRA(ITR,ID) ABSOTI(ION,ID)=ABSOTI(ION,ID)+SG*ABTRA(ITR,ID) EMISTI(ION,ID)=EMISTI(ION,ID)+SG*EMTRA(ITR,ID) END DO ELSE DO ID=1,ND KJD=JIDI(ID) SG=EXP(XJID(ID)*SIGFE(KJD,KJ)+(UN-XJID(ID))* * SIGFE(KJD+1,KJ)) ABSO1(ID)=ABSO1(ID)+SG*ABTRA(ITR,ID) EMIS1(ID)=EMIS1(ID)+SG*EMTRA(ITR,ID) ABSOTI(ION,ID)=ABSOTI(ION,ID)+SG*ABTRA(ITR,ID) EMISTI(ION,ID)=EMISTI(ION,ID)+SG*EMTRA(ITR,ID) END DO END IF 300 CONTINUE 400 CONTINUE ENDIF 500 CONTINUE C C ---------------------------- C total opacity and emissivity C ---------------------------- C DO ID=1,ND ABSO1(ID)=ABSO1(ID)-EMIS1(ID)*XKF(ID) ABSOC1(ID)=ABSOC1(ID)-EMISC1(ID)*XKF(ID) DO ION=1,NION ABSOTI(ION,ID)=ABSOTI(ION,ID)-EMISTI(ION,ID)*XKF(ID) END DO EMIS1(ID)=EMIS1(ID)*XKFB(ID) EMISC1(ID)=EMISC1(ID)*XKFB(ID) DO ION=1,NION EMISTI(ION,ID)=EMISTI(ION,ID)*XKFB(ID) END DO absot(id)=abso1(id) END DO if(izscal.eq.0) then do id=1,nd absot(id)=abso1(id)*dens1(id) end do end if c if(ifprd.gt.0) call prd(ij) c RETURN END