pfint3.F

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!||====================================================================
!||    pfint3   ../engine/source/elements/beam/pfint3.F
!||--- called by ------------------------------------------------------
!||    pforc3   ../engine/source/elements/beam/pforc3.F
!||====================================================================
      SUBROUTINE pfint3(FOR    ,MOM    ,GEO    ,OFFG   ,OFF,
     .                  AL     ,F1     ,F2     ,F3     ,M1 ,
     .                  M2     ,M3     ,STI    ,STIR   ,NEL,
     .                  PID    ,F11    ,F12    ,F21    ,F22,
     .                  F31    ,F32    ,M11    ,M12    ,M21,
     .                  M22    ,M31    ,M32    )
C-----------------------------------------------
C   I m p l i c i t   T y p e s
C-----------------------------------------------
#include      "implicit_f.inc"
C-----------------------------------------------
C   G l o b a l   P a r a m e t e r s
C-----------------------------------------------
#include      "mvsiz_p.inc"
C-----------------------------------------------
C   C o m m o n   B l o c k s
C-----------------------------------------------
#include      "param_c.inc"
C-----------------------------------------------
C   D u m m y   A r g u m e n t s
C-----------------------------------------------
      INTEGER NEL,PID(MVSIZ)
C     REAL
      my_real
     .   FOR(NEL,3),MOM(NEL,3),GEO(NPROPG,*),OFFG(*),OFF(*),AL(MVSIZ), 
     .   F1(MVSIZ),F2(MVSIZ),F3(MVSIZ),M1(MVSIZ),M2(MVSIZ),M3(MVSIZ),
     .   sti(mvsiz), stir(mvsiz),
     .   f11(mvsiz), f12(mvsiz), f21(mvsiz),  
     .   f22(mvsiz), f31(mvsiz), f32(mvsiz), 
     .   m11(mvsiz), m12(mvsiz), m21(mvsiz),
     .   m22(mvsiz), m31(mvsiz), m32(mvsiz)
C-----------------------------------------------
C   L o c a l   V a r i a b l e s
C-----------------------------------------------
      INTEGER I, J, IG, IR1Y, IR1Z, IR2Y, IR2Z
C     REAL
      my_real
     .   OFF_L
C---------------------------------------------------
      DO i=1,nel
        f11(i)= -f1(i)
        f21(i)= -f2(i)
        f31(i)= -f3(i)
C
        f12(i)=-f11(i)
        f22(i)=-f21(i)
        f32(i)=-f31(i)
      ENDDO
C
C     CONTRIBUTION AU MOMENT DU CISAILLEMENT
C
      DO i=1,nel
        m11(i)=-m1(i)
        m21(i)=-m2(i)+half*al(i)*f3(i)
        m31(i)=-m3(i)-half*al(i)*f2(i)
C
        m12(i)=-m11(i)
        m22(i)=m2(i)+half*al(i)*f3(i)
        m32(i)=m3(i)-half*al(i)*f2(i)
      ENDDO
C---------------------------------------------------
C     LIBERATION DES ROTATIONS
C---------------------------------------------------
      DO i=1,nel
        ig=pid(i)
        ir1y=nint(geo(8 ,ig))
        ir1z=nint(geo(9 ,ig))
        ir2y=nint(geo(10,ig))
        ir2z=nint(geo(11,ig))
        m21(i)=ir1y*m21(i)+(1-ir2y)*m22(i)
        m22(i)=ir2y*m22(i)+(1-ir1y)*m21(i)
        m31(i)=ir1z*m31(i)+(1-ir2z)*m32(i)
        m32(i)=ir2z*m32(i)+(1-ir1z)*m31(i)
      ENDDO
C
      off_l = zero
      DO i=1,nel
        IF (off(i) < one) offg(i) = off(i)
        off_l = min(off_l,offg(i))
      ENDDO
      IF (off_l < zero) THEN
        DO i=1,nel
          IF (offg(i) < zero) THEN
            f11(i)=zero
            f21(i)=zero
            f31(i)=zero
            m11(i)=zero
            m21(i)=zero
            m31(i)=zero
            f12(i)=zero
            f22(i)=zero
            f32(i)=zero
            m12(i)=zero
            m22(i)=zero
            m32(i)=zero
            sti(i)=zero
            stir(i)=zero
          ENDIF
        ENDDO
      ENDIF
C---------------------------------------------------
      RETURN
      END