i2sms28.F

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!||====================================================================
!||    i2sms28        ../engine/source/interfaces/interf/i2sms28.F
!||--- called by ------------------------------------------------------
!||    i2for28_pen    ../engine/source/interfaces/interf/i2for28_pen.F
!||    i2for28p_pen   ../engine/source/interfaces/interf/i2for28p_pen.F
!||--- uses       -----------------------------------------------------
!||    message_mod    ../engine/share/message_module/message_mod.F
!||====================================================================
      SUBROUTINE i2sms28(JLT   ,IX1   ,IX2  ,IX3  ,IX4   ,
     2                  NSVG  ,H      ,STIF ,NOINT ,
     3                  DMINT2,NODNX_SMS ,VIS   ,STF_MOM,DTI)
C-----------------------------------------------
C   M o d u l e s
C-----------------------------------------------
      USE message_mod
C-----------------------------------------------
C   I m p l i c i t   T y p e s
C-----------------------------------------------
#include      "implicit_f.inc"
#include      "comlock.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      "sms_c.inc"
C-----------------------------------------------
C   D u m m y   A r g u m e n t s
C-----------------------------------------------
      INTEGER JLT, NOINT,
     .        IX1(MVSIZ),IX2(MVSIZ),IX3(MVSIZ),IX4(MVSIZ),NSVG(MVSIZ),
     .        nodnx_sms(*)
      my_real
     .    h(4,mvsiz), stif(mvsiz), vis(mvsiz), stf_mom(mvsiz),
     .    dmint2(4,*), dti
C-----------------------------------------------
C   L o c a l   V a r i a b l e s
C-----------------------------------------------
      INTEGER I, IG, NISKYL1, NISKYL, NN
      my_real
     .        mas, dts, masm, fac
C
      DO i=1,jlt
       dmint2(1,i)=zero
       dmint2(2,i)=zero
       dmint2(3,i)=zero
       dmint2(4,i)=zero
C
       IF(nsvg(i)<=0) cycle
       IF((idtmins_int==0.AND.nodnx_sms(nsvg(i))+
     .          nodnx_sms(ix1(i))+
     .          nodnx_sms(ix2(i))+
     .          nodnx_sms(ix3(i))+
     .          nodnx_sms(ix4(i))==0) .OR.
     .    stif(i)==zero) THEN
         cycle
       END IF
C
       IF(idtmins_int==0.AND.nodnx_sms(nsvg(i))+
     .          nodnx_sms(ix1(i))+
     .          nodnx_sms(ix2(i))+
     .          nodnx_sms(ix3(i))+
     .          nodnx_sms(ix4(i))/=0)THEN
         dts = dtmins/dtfacs
         dti=min(dti,dtmins)
       ELSE
         dts = dtmins_int/dtfacs_int
         dti=min(dti,dtmins_int)
       END IF
C
       IF(ix4(i)/=ix3(i)) THEN
         mas = half * dts * ( dts * stif(i) + vis(i) )
         masm= half * dts * dts *stf_mom(i)
         mas = fourth*mas+masm
         dmint2(1,i)=mas
         dmint2(2,i)=mas
         dmint2(3,i)=mas
         dmint2(4,i)=mas
       ELSE
         mas = half * dts * ( dts * stif(i) + vis(i) )
         masm= half * dts * dts *stf_mom(i)
         mas = third*mas+masm
         dmint2(1,i)=mas
         dmint2(2,i)=mas
         dmint2(3,i)=mas
       ENDIF
C
      ENDDO                
C      
      RETURN
      END
C