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177 lines
6.0 KiB
177 lines
6.0 KiB
C Copyright(C) 1999-2020 National Technology & Engineering Solutions
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C of Sandia, LLC (NTESS). Under the terms of Contract DE-NA0003525 with
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C NTESS, the U.S. Government retains certain rights in this software.
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C
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C See packages/seacas/LICENSE for details
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SUBROUTINE OVRMX2 (LSTEL, CORD, IX, NSEG, MINMAX, NIQSLV,
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* NIQS, TEMP, LTNESS, NUMIN, NUMFAC, NUMON,
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* NUMEL, LFACE, NUMNP)
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INTEGER LSTEL(*), IX(4,*), NIQSLV(*), LTNESS(2,*)
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INTEGER LFACE(4,*)
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REAL MINMAX(4,*), CORD(NUMNP,*), TEMP(*)
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CHARACTER*16 ENGNOT, ENG1
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DIMENSION MAP(2,4), V(4), FCORD(2,2), DIST(4), SCORD(2)
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LOGICAL INSIDE, ONFACE, INIT
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PARAMETER (MAXFAC = 4)
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include 'nu_io.blk'
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DATA MAP /1, 2, 2, 3, 3, 4, 4, 1/
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INIT = .FALSE.
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NUMIN = 0
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NUMON = 0
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NUMFAC = 0
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DO 10 I=1,NSEG
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IEL = LSTEL(I)
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MINMAX(1, I) = MIN( CORD(IX(1,IEL),1), CORD(IX(2,IEL),1),
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* CORD(IX(3,IEL),1), CORD(IX(4,IEL),1))
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MINMAX(2, I) = MAX( CORD(IX(1,IEL),1), CORD(IX(2,IEL),1),
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* CORD(IX(3,IEL),1), CORD(IX(4,IEL),1))
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MINMAX(3, I) = MIN( CORD(IX(1,IEL),2), CORD(IX(2,IEL),2),
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* CORD(IX(3,IEL),2), CORD(IX(4,IEL),2))
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MINMAX(4, I) = MAX( CORD(IX(1,IEL),2), CORD(IX(2,IEL),2),
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* CORD(IX(3,IEL),2), CORD(IX(4,IEL),2))
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10 CONTINUE
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C ... DETERMINE WHICH FACES HAVE SSET FLAG
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CALL INIINT (MAXFAC * NUMEL, 0, LFACE)
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DO 30 ISEG = 1, NSEG
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IEL = LSTEL(ISEG)
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IFAC1 = LTNESS(1,ISEG)
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IFAC2 = LTNESS(2,ISEG)
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DO 20 IFAC = 1, MAXFAC
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INOD1 = IX(MAP(1,IFAC),IEL)
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INOD2 = IX(MAP(2,IFAC),IEL)
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ITST1 = ISIGN(1,(INOD1-IFAC1)) + ISIGN(1,(IFAC1-INOD1)) +
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* ISIGN(1,(INOD2-IFAC1)) + ISIGN(1,(IFAC1-INOD2))
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ITST2 = ISIGN(1,(INOD1-IFAC2)) + ISIGN(1,(IFAC2-INOD1)) +
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* ISIGN(1,(INOD2-IFAC2)) + ISIGN(1,(IFAC2-INOD2))
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LFACE(IFAC,IEL) = LFACE(IFAC,IEL) + ITST1 * ITST2
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20 CONTINUE
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30 CONTINUE
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C ... DETERMINE IF NODE IS CLOSE TO ELEMENT
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C TEMP = 1.0 IF INSIDE MIN/MAX BOX
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DO 130 I=1, NSEG
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IEL = LSTEL(I)
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DO 40 ISLV = 1, NIQS
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ISN = NIQSLV(ISLV)
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TEMP(ISLV) =
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* (0.5 + SIGN( 0.5, CORD (ISN,1) - MINMAX(1,I) )) *
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* (0.5 + SIGN( 0.5, -CORD (ISN,1) + MINMAX(2,I) )) *
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* (0.5 + SIGN( 0.5, CORD (ISN,2) - MINMAX(3,I) )) *
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* (0.5 + SIGN( 0.5, -CORD (ISN,2) + MINMAX(4,I) ))
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40 CONTINUE
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C ... DETERMINE IF ANY INSIDE BOX ( TEMP = 1.0 )
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C ... FOR EACH NODE INSIDE BOX, DETERMINE IF ACTUALLY INSIDE ELEMENT
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DO 120 ISLV = 1, NIQS
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IF (TEMP(ISLV) .EQ. 1.0) THEN
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INOD = NIQSLV(ISLV)
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X3 = CORD(INOD,1)
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Y3 = CORD(INOD,2)
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INSIDE = .TRUE.
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ONFACE = .FALSE.
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DO 50 IPYR = 1, 4
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X1 = CORD(IX(MAP(1,IPYR),IEL),1)
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Y1 = CORD(IX(MAP(1,IPYR),IEL),2)
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X2 = CORD(IX(MAP(2,IPYR),IEL),1)
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Y2 = CORD(IX(MAP(2,IPYR),IEL),2)
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C ... CALCULATE TRIANGLE AREAS (SHOULD BE DIVIDED BY 2 FOR AREA)
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V(IPYR) = X1 * (Y2 - Y3) + X2 * (Y3 - Y1)
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* + X3 * (Y1 - Y2)
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IF (V(IPYR) .LT. 0.0) INSIDE = .FALSE.
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IF (V(IPYR) .EQ. 0.0) ONFACE = .TRUE.
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50 CONTINUE
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C ... FLAG NODE AND ELEMENT IF INSIDE
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IF (ONFACE .AND. INSIDE) THEN
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INSIDE = .TRUE.
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ONFACE = .FALSE.
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DO 60 IFAC = 1, MAXFAC
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IF (V(IFAC) .EQ. 0.0 .AND.
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* LFACE(IFAC,IEL) .NE. 0 ) THEN
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INSIDE = .FALSE.
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ONFACE = .TRUE.
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END IF
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60 CONTINUE
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END IF
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C ... CHECK FOR NODE ON BOTH SURFACES
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IF (INSIDE) THEN
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DO 70 INOD = 1, 4
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IF (IX(INOD,IEL) .EQ. NIQSLV(ISLV)) THEN
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INSIDE = .FALSE.
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NUMON = NUMON + 1
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END IF
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70 CONTINUE
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END IF
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IF (INSIDE) THEN
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IF (.NOT. INIT) THEN
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INIT = .TRUE.
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DO 80 IO=IOMIN, IOMAX
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WRITE (IO, 150)
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80 CONTINUE
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END IF
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DO 90 IFAC = 1, MAXFAC
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IF (LFACE(IFAC,IEL) .NE. 0 ) THEN
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FCORD(1,1) = CORD(IX(MAP(1,IFAC),IEL),1)
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FCORD(2,1) = CORD(IX(MAP(1,IFAC),IEL),2)
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FCORD(1,2) = CORD(IX(MAP(2,IFAC),IEL),1)
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FCORD(2,2) = CORD(IX(MAP(2,IFAC),IEL),2)
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SCORD(1) = CORD(NIQSLV(ISLV),1)
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SCORD(2) = CORD(NIQSLV(ISLV),2)
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CALL PENDIS (SCORD, FCORD, DIST(IFAC), 2, 2)
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END IF
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90 CONTINUE
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DO 100 IFAC = 1, MAXFAC
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IF (LFACE(IFAC,IEL) .NE. 0 .AND.
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* DIST(IFAC) .NE. 0.0) THEN
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NUMIN = NUMIN + 1
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ENG1 = ENGNOT(DIST(IFAC),2)
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DO 110 IO=IOMIN, IOMAX
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WRITE (IO,140) NIQSLV(ISLV), IEL,
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* ENG1,
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* IFAC, CORD(NIQSLV(ISLV),1),
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$ CORD(NIQSLV(ISLV),2)
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110 CONTINUE
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END IF
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100 CONTINUE
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ELSE IF (ONFACE) THEN
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NUMFAC = NUMFAC + 1
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END IF
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END IF
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120 CONTINUE
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130 CONTINUE
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140 FORMAT (T3,I6,T11,I6,T18,A16,T37,I1,T43,2(F15.8,2X))
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150 FORMAT (' Slave Master Penetration Element'/
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* ' Node Element Distance Face Location')
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RETURN
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END
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