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78 lines
2.2 KiB
Fortran
78 lines
2.2 KiB
Fortran
5 years ago
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SUBROUTINE INTERPWLV(NODE1,H,ARIV,WRIV,DWRIV)
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USE BLK1MOD
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! INCLUDE 'BLK1.COM'
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NLSEC11=NRIVCR1(node1)
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IF(NRIVL(NLSEC11) .EQ. 0) THEN
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IF(WTRIVCR1(node1) .gt. 0.) THEN
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ARIV=0.
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WRIV=0.
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RETURN
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ELSE
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A11=0.
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W11=0.
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DW11=0.
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GO TO 272
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ENDIF
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ENDIF
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DO K=2,NRIVL(NLSEC11)
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DEPL=CRSDAT(NLSEC11,K,1)-CRSDAT(NLSEC11,1,1)
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IF(DEPL .GT. H) THEN
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FRAC= (H+CRSDAT(NLSEC11,1,1)-CRSDAT(NLSEC11,K-1,1))/&
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(CRSDAT(NLSEC11,K,1)-CRSDAT(NLSEC11,K-1,1))
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A11=CRSDAT(NLSEC11,K-1,2)*(1.-FRAC) +&
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CRSDAT(NLSEC11,K,2)*FRAC
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W11=CRSDAT(NLSEC11,K-1,3)*(1.-FRAC) +&
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CRSDAT(NLSEC11,K,3)*FRAC
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DW11=(CRSDAT(NLSEC11,K,3)-CRSDAT(NLSEC11,K-1,3))/&
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(CRSDAT(NLSEC11,K,1)-CRSDAT(NLSEC11,K-1,1))
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GO TO 272
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ENDIF
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ENDDO
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!IPK MAY04 ALLOW FOR LEVEL ABOVE HIGHEST LAYER
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W11=CRSDAT(NLSEC11,NRIVL(NLSEC11),3)
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DW11=0.
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A11=CRSDAT(NLSEC11,NRIVL(NLSEC11),2)+W11*(H-DEPL)
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272 CONTINUE
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NLSEC12=NRIVCR2(node1)
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IF(NRIVL(NLSEC12) .EQ. 0) THEN
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IF(WTRIVCR2(node1) .gt. 0.) THEN
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ARIV=0.
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WRIV=0.
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RETURN
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ELSE
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A12=0.
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W12=0.
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DW12=0.
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GO TO 274
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ENDIF
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ENDIF
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DO K=2,NRIVL(NLSEC12)
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DEPL=CRSDAT(NLSEC12,K,1)-CRSDAT(NLSEC12,1,1)
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IF(DEPL .GT. H) THEN
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FRAC= (H+CRSDAT(NLSEC12,1,1)-CRSDAT(NLSEC12,K-1,1))/&
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(CRSDAT(NLSEC12,K,1)-CRSDAT(NLSEC12,K-1,1))
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A12=CRSDAT(NLSEC12,K-1,2)*(1.-FRAC) +&
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CRSDAT(NLSEC12,K,2)*FRAC
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W12=CRSDAT(NLSEC12,K-1,3)*(1.-FRAC) +&
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CRSDAT(NLSEC12,K,3)*FRAC
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DW12=(CRSDAT(NLSEC12,K,3)-CRSDAT(NLSEC12,K-1,3))/&
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(CRSDAT(NLSEC12,K,1)-CRSDAT(NLSEC12,K-1,1))
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GO TO 274
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ENDIF
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ENDDO
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!IPK MAY04 ALLOW FOR LEVEL ABOVE HIGHEST LAYER
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W12=CRSDAT(NLSEC12,NRIVL(NLSEC12),3)
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DW12=0.
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A12=CRSDAT(NLSEC12,NRIVL(NLSEC12),2)+W12*(H-DEPL)
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274 CONTINUE
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ARIV=WTRIVCR1(node1)*A11+WTRIVCR2(node1)*A12
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WRIV=WTRIVCR1(node1)*W11+WTRIVCR2(node1)*W12
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DWRIV=WTRIVCR1(node1)*DW11+WTRIVCR2(node1)*DW12
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300 RETURN
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END
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