kcacub
C KCACUB SOURCE CB215821 16/04/21 21:17:30 8920
IMPLICIT INTEGER(I-N)
IMPLICIT REAL*8 (A-H,O-Z)
C Include contenant quelques constantes dont XPI :
-INC CCREEL
DIMENSION VP(NES,NR,NR),G(NR,NR),IR(1)
C
C Calcul des facteurs de forme en 3D
C Sp appele par KALPRE
C CALCUL DES FF ET DES DIRECTIONS POUR TOUTE LA SURFACE DE REFERENCE
C ( PLAN Z = +1)
C
C NF = 1 X = +1 NF = 2 X = -1
C NF = 3 Y = +1 NF = 4 Y = -1
C NF = 5 Z = +1 NF = 6 Z = -1
C
C UTILISATION :
C
C D(NF,K,I,J) = KSIG(NF,K) * V(KROT(NF,K),I,J)
C
C NF : NUMERO DE FACE
C K : DIRECTION DE ESPACE
C I,J: INDICES DE DISCRETISATION LOCAL A CHAQUE FACE
C
C REM: VP ORIENTE CU CENTRE VERS LA CELLULE
C ***
C
C
NR2 = NR/2
DO 30 I = 1,NR2
IR(I) = NR2-I+1
IR(I+ NR2) = I
30 CONTINUE
DO 1 I = 1, NR
DO 2 J = 1, NR
VP(1,I,J) = (IR(I)-0.5D0)/NR
VP(2,I,J) = (IR(J)-0.5D0)/NR
RP = VP(1,I,J)*VP(1,I,J)+VP(2,I,J)*VP(2,I,J) + 0.5D0*0.5D0
RP = SQRT(RP)
IS = 1
JS = 1
IF (I.LE.NR2) IS = -1
IF (J.LE.NR2) JS = -1
VP(1,I,J) = IS * VP(1,I,J)/RP
VP(2,I,J) = JS * VP(2,I,J)/RP
VP(3,I,J) = 0.5D0/RP
G(I,J) = 0.5D0/(RP*RP*RP)/NR/NR/XPI
2 CONTINUE
1 CONTINUE
C
C TABLEAU DE CORRESPONDANCE
C
C FACE X
C
NF = 1
NF = 2
C
C FACE Y
C
NF = 3
NF = 4
C
C FACE Z
C
NF = 5
NF = 6
C
C FACE POSITIVES
C
DO 4 NF = 1,NFACE
DO 5 K = 1,NES
5 CONTINUE
4 CONTINUE
C
C
RETURN
END
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