summaryrefslogtreecommitdiff
path: root/Trivac/src/PNSZ2D.f
diff options
context:
space:
mode:
authorstainer_t <thomas.stainer@oecd-nea.org>2025-09-08 13:48:49 +0200
committerstainer_t <thomas.stainer@oecd-nea.org>2025-09-08 13:48:49 +0200
commit7dfcc480ba1e19bd3232349fc733caef94034292 (patch)
tree03ee104eb8846d5cc1a981d267687a729185d3f3 /Trivac/src/PNSZ2D.f
Initial commit from Polytechnique Montreal
Diffstat (limited to 'Trivac/src/PNSZ2D.f')
-rwxr-xr-xTrivac/src/PNSZ2D.f347
1 files changed, 347 insertions, 0 deletions
diff --git a/Trivac/src/PNSZ2D.f b/Trivac/src/PNSZ2D.f
new file mode 100755
index 0000000..6310cb5
--- /dev/null
+++ b/Trivac/src/PNSZ2D.f
@@ -0,0 +1,347 @@
+*DECK PNSZ2D
+ SUBROUTINE PNSZ2D(ITY,NREG,IELEM,ICOL,XX,YY,MAT,VOL,NBMIX,NLF,
+ 1 NVD,NAN,SIGT,SIGTI,L4,KN,QFR,LC,R,V,FUNKNO,SUNKNO)
+*
+*-----------------------------------------------------------------------
+*
+*Purpose:
+* Source calculation for a SPN approximation in BIVAC, including
+* neighbour Legendre and out-of-group contributions.
+* Raviart-Thomas method in Cartesian geometry.
+*
+*Copyright:
+* Copyright (C) 2004 Ecole Polytechnique de Montreal
+* This library is free software; you can redistribute it and/or
+* modify it under the terms of the GNU Lesser General Public
+* License as published by the Free Software Foundation; either
+* version 2.1 of the License, or (at your option) any later version
+*
+*Author(s): A. Hebert
+*
+*Parameters: input
+* ITY type of assembly:
+* =0: leakage-removal matrix assembly; =1: cross section matrix
+* assembly.
+* NREG total number of regions.
+* IELEM degree of the Lagrangian finite elements: =1 (linear);
+* =2 (parabolic); =3 (cubic); =4 (quartic).
+* ICOL type of quadrature: =1 (analytical integration);
+* =2 (Gauss-Lobatto); =3 (Gauss-Legendre).
+* XX X-directed mesh spacings.
+* YY Y-directed mesh spacings.
+* MAT index-number of the mixture type assigned to each volume.
+* VOL volumes.
+* NBMIX number of mixtures.
+* NLF number of Legendre orders for the flux (even number).
+* NVD type of void boundary condition if NLF>0 and ICOL=3.
+* NAN number of Legendre orders for the cross sections.
+* SIGT macroscopic cross sections ordered by mixture.
+* SIGT(:,NAN) generally contains the total cross section only.
+* SIGTI inverse macroscopic cross sections ordered by mixture.
+* SIGTI(:,NAN) generally contains the inverse total cross
+* section only.
+* L4 order of the profiled system matrices.
+* KN element-ordered unknown list.
+* QFR element-ordered boundary conditions.
+* LC order of the unit matrices.
+* R unit Cartesian mass matrix.
+* V unit nodal coupling matrix.
+* FUNKNO initial fluxes.
+* SUNKNO initial sources.
+*
+*Parameters: output
+* SUNKNO modified sources.
+*
+*-----------------------------------------------------------------------
+*
+*----
+* SUBROUTINE ARGUMENTS
+*----
+ INTEGER ITY,NREG,IELEM,ICOL,MAT(NREG),NBMIX,NLF,NVD,NAN,L4,
+ 1 KN(5*NREG),LC
+ REAL XX(NREG),YY(NREG),VOL(NREG),SIGT(NBMIX,NAN),SIGTI(NBMIX,NAN),
+ 1 QFR(4*NREG),R(LC,LC),V(LC,LC-1),SUNKNO(L4*NLF/2),FUNKNO(L4*NLF/2)
+*----
+* LOCAL VARIABLES
+*----
+ REAL QQ(5,5)
+*
+ IF(ICOL.EQ.3) THEN
+ IF(NVD.EQ.0) THEN
+ NZMAR=NLF+1
+ ELSE IF(NVD.EQ.1) THEN
+ NZMAR=NLF
+ ELSE IF(NVD.EQ.2) THEN
+ NZMAR=65
+ ENDIF
+ ELSE
+ NZMAR=65
+ ENDIF
+ DO 12 I0=1,IELEM
+ DO 11 J0=1,IELEM
+ QQ(I0,J0)=0.0
+ DO 10 K0=2,IELEM
+ QQ(I0,J0)=QQ(I0,J0)+V(K0,I0)*V(K0,J0)/R(K0,K0)
+ 10 CONTINUE
+ 11 CONTINUE
+ 12 CONTINUE
+ DO 170 IL=0,NLF-1
+ IF((ITY.EQ.1).AND.(IL.GE.NAN)) GO TO 170
+ FACT=REAL(2*IL+1)
+*----
+* COMPUTE THE SOURCE AT ORDER IL.
+*----
+ NUM1=0
+ NUM2=0
+ DO 160 K=1,NREG
+ IBM=MAT(K)
+ IF(IBM.EQ.0) GO TO 160
+ VOL0=VOL(K)
+ GARS=SIGT(IBM,MIN(IL+1,NAN))
+ IF(MOD(IL,2).EQ.0) THEN
+ DO 50 I0=1,IELEM
+ DO 20 J0=1,IELEM
+ JND1=(IL/2)*L4+KN(NUM1+1)+(I0-1)*IELEM+J0-1
+ SUNKNO(JND1)=SUNKNO(JND1)+FACT*VOL0*GARS*FUNKNO(JND1)
+ 20 CONTINUE
+ IF(ITY.EQ.1) GO TO 50
+*
+ IND1=(IL/2)*L4+ABS(KN(NUM1+2))+I0-1
+ IND2=(IL/2)*L4+ABS(KN(NUM1+3))+I0-1
+ IND3=(IL/2)*L4+ABS(KN(NUM1+4))+I0-1
+ IND4=(IL/2)*L4+ABS(KN(NUM1+5))+I0-1
+ DO 30 J0=1,IELEM
+ JND1=(IL/2)*L4+KN(NUM1+1)+(I0-1)*IELEM+J0-1
+ IF(KN(NUM1+2).NE.0) THEN
+ SG=REAL(SIGN(1,KN(NUM1+2)))
+ SUNKNO(JND1)=SUNKNO(JND1)+SG*REAL(IL+1)*VOL0*V(1,J0)*
+ 1 FUNKNO(IND1)/XX(K)
+ ENDIF
+ IF(KN(NUM1+3).NE.0) THEN
+ SG=REAL(SIGN(1,KN(NUM1+3)))
+ SUNKNO(JND1)=SUNKNO(JND1)+SG*REAL(IL+1)*VOL0*V(IELEM+1,J0)*
+ 1 FUNKNO(IND2)/XX(K)
+ ENDIF
+ JND1=(IL/2)*L4+KN(NUM1+1)+(J0-1)*IELEM+I0-1
+ IF(KN(NUM1+4).NE.0) THEN
+ SG=REAL(SIGN(1,KN(NUM1+4)))
+ SUNKNO(JND1)=SUNKNO(JND1)+SG*REAL(IL+1)*VOL0*V(1,J0)*
+ 1 FUNKNO(IND3)/YY(K)
+ ENDIF
+ IF(KN(NUM1+5).NE.0) THEN
+ SG=REAL(SIGN(1,KN(NUM1+5)))
+ SUNKNO(JND1)=SUNKNO(JND1)+SG*REAL(IL+1)*VOL0*V(IELEM+1,J0)*
+ 1 FUNKNO(IND4)/YY(K)
+ ENDIF
+ 30 CONTINUE
+ IF(IL.GE.2) THEN
+ IND1=((IL-2)/2)*L4+ABS(KN(NUM1+2))+I0-1
+ IND2=((IL-2)/2)*L4+ABS(KN(NUM1+3))+I0-1
+ IND3=((IL-2)/2)*L4+ABS(KN(NUM1+4))+I0-1
+ IND4=((IL-2)/2)*L4+ABS(KN(NUM1+5))+I0-1
+ DO 40 J0=1,IELEM
+ JND1=(IL/2)*L4+KN(NUM1+1)+(I0-1)*IELEM+J0-1
+ IF(KN(NUM1+2).NE.0) THEN
+ SG=REAL(SIGN(1,KN(NUM1+2)))
+ SUNKNO(JND1)=SUNKNO(JND1)+SG*REAL(IL)*VOL0*V(1,J0)*
+ 1 FUNKNO(IND1)/XX(K)
+ ENDIF
+ IF(KN(NUM1+3).NE.0) THEN
+ SG=REAL(SIGN(1,KN(NUM1+3)))
+ SUNKNO(JND1)=SUNKNO(JND1)+SG*REAL(IL)*VOL0*V(IELEM+1,J0)*
+ 1 FUNKNO(IND2)/XX(K)
+ ENDIF
+ JND1=(IL/2)*L4+KN(NUM1+1)+(J0-1)*IELEM+I0-1
+ IF(KN(NUM1+4).NE.0) THEN
+ SG=REAL(SIGN(1,KN(NUM1+4)))
+ SUNKNO(JND1)=SUNKNO(JND1)+SG*REAL(IL)*VOL0*V(1,J0)*
+ 1 FUNKNO(IND3)/YY(K)
+ ENDIF
+ IF(KN(NUM1+5).NE.0) THEN
+ SG=REAL(SIGN(1,KN(NUM1+5)))
+ SUNKNO(JND1)=SUNKNO(JND1)+SG*REAL(IL)*VOL0*V(IELEM+1,J0)*
+ 1 FUNKNO(IND4)/YY(K)
+ ENDIF
+ 40 CONTINUE
+ ENDIF
+ 50 CONTINUE
+ ELSE IF(MOD(IL,2).EQ.1) THEN
+ GARSI=SIGTI(IBM,MIN(IL+1,NAN))
+ DO 150 I0=1,IELEM
+* PARTIAL INVERSION OF THE ODD PARITY EQUATION. MODIFICATION OF
+* THE EVEN PARITY EQUATION.
+ IF(IELEM.GT.1) THEN
+ DO 65 J0=1,IELEM
+ DO 60 K0=1,IELEM
+ IF(QQ(J0,K0).EQ.0.0) GO TO 60
+ JND1=(IL/2)*L4+KN(NUM1+1)+(I0-1)*IELEM+J0-1
+ KND1=(IL/2)*L4+KN(NUM1+1)+(I0-1)*IELEM+K0-1
+ SUNKNO(JND1)=SUNKNO(JND1)+(REAL(IL)**2)*VOL0*QQ(J0,K0)*
+ 1 GARSI*FUNKNO(KND1)/(FACT*XX(K)*XX(K))
+ JND1=(IL/2)*L4+KN(NUM1+1)+(J0-1)*IELEM+I0-1
+ KND1=(IL/2)*L4+KN(NUM1+1)+(K0-1)*IELEM+I0-1
+ SUNKNO(JND1)=SUNKNO(JND1)+(REAL(IL)**2)*VOL0*QQ(J0,K0)*
+ 1 GARSI*FUNKNO(KND1)/(FACT*YY(K)*YY(K))
+ IF(IL.LE.NLF-3) THEN
+ JND1=((IL+2)/2)*L4+KN(NUM1+1)+(I0-1)*IELEM+J0-1
+ KND1=(IL/2)*L4+KN(NUM1+1)+(I0-1)*IELEM+K0-1
+ SUNKNO(JND1)=SUNKNO(JND1)+(REAL(IL)*REAL(IL+1))*VOL0*
+ 1 QQ(J0,K0)*GARSI*FUNKNO(KND1)/(FACT*XX(K)*XX(K))
+ JND1=((IL+2)/2)*L4+KN(NUM1+1)+(J0-1)*IELEM+I0-1
+ KND1=(IL/2)*L4+KN(NUM1+1)+(K0-1)*IELEM+I0-1
+ SUNKNO(JND1)=SUNKNO(JND1)+(REAL(IL)*REAL(IL+1))*VOL0*
+ 1 QQ(J0,K0)*GARSI*FUNKNO(KND1)/(FACT*YY(K)*YY(K))
+ JND1=(IL/2)*L4+KN(NUM1+1)+(I0-1)*IELEM+J0-1
+ KND1=((IL+2)/2)*L4+KN(NUM1+1)+(I0-1)*IELEM+K0-1
+ SUNKNO(JND1)=SUNKNO(JND1)+(REAL(IL)*REAL(IL+1))*VOL0*
+ 1 QQ(J0,K0)*GARSI*FUNKNO(KND1)/(FACT*XX(K)*XX(K))
+ JND1=(IL/2)*L4+KN(NUM1+1)+(J0-1)*IELEM+I0-1
+ KND1=((IL+2)/2)*L4+KN(NUM1+1)+(K0-1)*IELEM+I0-1
+ SUNKNO(JND1)=SUNKNO(JND1)+(REAL(IL)*REAL(IL+1))*VOL0*
+ 1 QQ(J0,K0)*GARSI*FUNKNO(KND1)/(FACT*YY(K)*YY(K))
+ JND1=((IL+2)/2)*L4+KN(NUM1+1)+(I0-1)*IELEM+J0-1
+ KND1=((IL+2)/2)*L4+KN(NUM1+1)+(I0-1)*IELEM+K0-1
+ SUNKNO(JND1)=SUNKNO(JND1)+(REAL(IL+1)*REAL(IL+1))*VOL0*
+ 1 QQ(J0,K0)*GARSI*FUNKNO(KND1)/(FACT*XX(K)*XX(K))
+ JND1=((IL+2)/2)*L4+KN(NUM1+1)+(J0-1)*IELEM+I0-1
+ KND1=((IL+2)/2)*L4+KN(NUM1+1)+(K0-1)*IELEM+I0-1
+ SUNKNO(JND1)=SUNKNO(JND1)+(REAL(IL+1)*REAL(IL+1))*VOL0*
+ 1 QQ(J0,K0)*GARSI*FUNKNO(KND1)/(FACT*YY(K)*YY(K))
+ ENDIF
+ 60 CONTINUE
+ 65 CONTINUE
+ ENDIF
+* ODD PARITY EQUATION.
+ DO 75 IC=1,2
+ IIC=1
+ IF(IC.EQ.2) IIC=IELEM+1
+ IND1=(IL/2)*L4+ABS(KN(NUM1+1+IC))+I0-1
+ S1=REAL(SIGN(1,KN(NUM1+1+IC)))
+ DO 70 JC=1,2
+ JJC=1
+ IF(JC.EQ.2) JJC=IELEM+1
+ IND2=(IL/2)*L4+ABS(KN(NUM1+1+JC))+I0-1
+ IF((KN(NUM1+1+IC).NE.0).AND.(KN(NUM1+1+JC).NE.0)) THEN
+ S2=REAL(SIGN(1,KN(NUM1+1+JC)))
+ SUNKNO(IND1)=SUNKNO(IND1)-S1*S2*FACT*R(IIC,JJC)*VOL0*GARS*
+ 1 FUNKNO(IND2)
+ ENDIF
+ 70 CONTINUE
+ 75 CONTINUE
+ DO 85 IC=3,4
+ IF(IC.EQ.3) IIC=1
+ IF(IC.EQ.4) IIC=IELEM+1
+ IND1=(IL/2)*L4+ABS(KN(NUM1+1+IC))+I0-1
+ S1=REAL(SIGN(1,KN(NUM1+1+IC)))
+ DO 80 JC=3,4
+ IF(JC.EQ.3) JJC=1
+ IF(JC.EQ.4) JJC=IELEM+1
+ IND2=(IL/2)*L4+ABS(KN(NUM1+1+JC))+I0-1
+ IF((KN(NUM1+1+IC).NE.0).AND.(KN(NUM1+1+JC).NE.0)) THEN
+ S2=REAL(SIGN(1,KN(NUM1+1+JC)))
+ SUNKNO(IND1)=SUNKNO(IND1)-S1*S2*FACT*R(IIC,JJC)*VOL0*GARS*
+ 1 FUNKNO(IND2)
+ ENDIF
+ 80 CONTINUE
+ 85 CONTINUE
+ IF(ITY.EQ.1) GO TO 150
+*
+ IND1=(IL/2)*L4+ABS(KN(NUM1+2))+I0-1
+ IND2=(IL/2)*L4+ABS(KN(NUM1+3))+I0-1
+ IND3=(IL/2)*L4+ABS(KN(NUM1+4))+I0-1
+ IND4=(IL/2)*L4+ABS(KN(NUM1+5))+I0-1
+ IF((QFR(NUM2+1).NE.0.0).AND.(KN(NUM1+2).NE.0)) THEN
+* XINF SIDE.
+ DO 90 IL2=1,NLF-1,2
+ ZMARS=PNMAR2(NZMAR,IL2,IL)
+ IND5=(IL2/2)*L4+ABS(KN(NUM1+2))+I0-1
+ SUNKNO(IND1)=SUNKNO(IND1)-0.5*FACT*QFR(NUM2+1)*ZMARS*
+ 1 FUNKNO(IND5)
+ 90 CONTINUE
+ ENDIF
+ IF((QFR(NUM2+2).NE.0.0).AND.(KN(NUM1+3).NE.0)) THEN
+* XSUP SIDE.
+ DO 100 IL2=1,NLF-1,2
+ ZMARS=PNMAR2(NZMAR,IL2,IL)
+ IND5=(IL2/2)*L4+ABS(KN(NUM1+3))+I0-1
+ SUNKNO(IND2)=SUNKNO(IND2)-0.5*FACT*QFR(NUM2+2)*ZMARS*
+ 1 FUNKNO(IND5)
+ 100 CONTINUE
+ ENDIF
+ IF((QFR(NUM2+3).NE.0.0).AND.(KN(NUM1+4).NE.0)) THEN
+* YINF SIDE.
+ DO 110 IL2=1,NLF-1,2
+ ZMARS=PNMAR2(NZMAR,IL2,IL)
+ IND5=(IL2/2)*L4+ABS(KN(NUM1+4))+I0-1
+ SUNKNO(IND3)=SUNKNO(IND3)-0.5*FACT*QFR(NUM2+3)*ZMARS*
+ 1 FUNKNO(IND5)
+ 110 CONTINUE
+ ENDIF
+ IF((QFR(NUM2+4).NE.0.0).AND.(KN(NUM1+5).NE.0)) THEN
+* YSUP SIDE.
+ DO 120 IL2=1,NLF-1,2
+ ZMARS=PNMAR2(NZMAR,IL2,IL)
+ IND5=(IL2/2)*L4+ABS(KN(NUM1+5))+I0-1
+ SUNKNO(IND4)=SUNKNO(IND4)-0.5*FACT*QFR(NUM2+4)*ZMARS*
+ 1 FUNKNO(IND5)
+ 120 CONTINUE
+ ENDIF
+*
+ DO 130 J0=1,IELEM
+ JND1=(IL/2)*L4+KN(NUM1+1)+(I0-1)*IELEM+J0-1
+ IF(KN(NUM1+2).NE.0) THEN
+ SG=REAL(SIGN(1,KN(NUM1+2)))
+ SUNKNO(IND1)=SUNKNO(IND1)+SG*REAL(IL)*VOL0*V(1,J0)*
+ 1 FUNKNO(JND1)/XX(K)
+ ENDIF
+ IF(KN(NUM1+3).NE.0) THEN
+ SG=REAL(SIGN(1,KN(NUM1+3)))
+ SUNKNO(IND2)=SUNKNO(IND2)+SG*REAL(IL)*VOL0*V(IELEM+1,J0)*
+ 1 FUNKNO(JND1)/XX(K)
+ ENDIF
+ JND1=(IL/2)*L4+KN(NUM1+1)+(J0-1)*IELEM+I0-1
+ IF(KN(NUM1+4).NE.0) THEN
+ SG=REAL(SIGN(1,KN(NUM1+4)))
+ SUNKNO(IND3)=SUNKNO(IND3)+SG*REAL(IL)*VOL0*V(1,J0)*
+ 1 FUNKNO(JND1)/YY(K)
+ ENDIF
+ IF(KN(NUM1+5).NE.0) THEN
+ SG=REAL(SIGN(1,KN(NUM1+5)))
+ SUNKNO(IND4)=SUNKNO(IND4)+SG*REAL(IL)*VOL0*V(IELEM+1,J0)*
+ 1 FUNKNO(JND1)/YY(K)
+ ENDIF
+ 130 CONTINUE
+ IF(IL.LE.NLF-3) THEN
+ DO 140 J0=1,IELEM
+ JND1=((IL+2)/2)*L4+KN(NUM1+1)+(I0-1)*IELEM+J0-1
+ IF(KN(NUM1+2).NE.0) THEN
+ SG=REAL(SIGN(1,KN(NUM1+2)))
+ SUNKNO(IND1)=SUNKNO(IND1)+SG*REAL(IL+1)*VOL0*V(1,J0)*
+ 1 FUNKNO(JND1)/XX(K)
+ ENDIF
+ IF(KN(NUM1+3).NE.0) THEN
+ SG=REAL(SIGN(1,KN(NUM1+3)))
+ SUNKNO(IND2)=SUNKNO(IND2)+SG*REAL(IL+1)*VOL0*
+ 1 V(IELEM+1,J0)*FUNKNO(JND1)/XX(K)
+ ENDIF
+ JND1=((IL+2)/2)*L4+KN(NUM1+1)+(J0-1)*IELEM+I0-1
+ IF(KN(NUM1+4).NE.0) THEN
+ SG=REAL(SIGN(1,KN(NUM1+4)))
+ SUNKNO(IND3)=SUNKNO(IND3)+SG*REAL(IL+1)*VOL0*V(1,J0)*
+ 1 FUNKNO(JND1)/YY(K)
+ ENDIF
+ IF(KN(NUM1+5).NE.0) THEN
+ SG=REAL(SIGN(1,KN(NUM1+5)))
+ SUNKNO(IND4)=SUNKNO(IND4)+SG*REAL(IL+1)*VOL0*
+ 1 V(IELEM+1,J0)*FUNKNO(JND1)/YY(K)
+ ENDIF
+ 140 CONTINUE
+ ENDIF
+ 150 CONTINUE
+ ENDIF
+ NUM1=NUM1+5
+ NUM2=NUM2+4
+ 160 CONTINUE
+ 170 CONTINUE
+ RETURN
+ END