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  • src/1d/equations/euler/rprhok/flg1eurhok.f

    c
    c     ==========================================================
          subroutine flg1eurhok(q,mx,lb,ub,qf,mxo,lbo,ubo,
         &     lbr,ubr,shaper,meqn,mcomp,time)
    c     ==========================================================
    c
    c     # Copyright (C) 2002 Ralf Deiterding
    c     # Brandenburgische Universitaet Cottbus
    c
    c     # Copyright (C) 2003-2007 California Institute of Technology
    c     # Ralf Deiterding, ralf@cacr.caltech.edu
    c
          implicit double precision(a-h,o-z)
          include  "ck.i"    
    c
          integer meqn, mx, mxo
          dimension q(meqn,mx), qf(mxo)
    c
          integer  lb(1), ub(1), lbo(1), ubo(1), lbr(1), ubr(1), shaper(1), 
         &     mresult, stride, imin(1), imax(1), i, getindx
    c
          stride = (ub(1) - lb(1))/(mx-1)
          imin(1) = max(lb(1), lbo(1), lbr(1))
          imax(1) = min(ub(1), ubo(1), ubr(1))
    
          if (mod(imin(1)-lb(1),stride) .ne. 0) then
             imin(1) = imin(1) + stride - mod(imin(1)-lb(1),stride) 
          endif
          imin(1) = getindx(imin(1), lb(1), stride)  
    
          if (mod(imax(1)-lb(1),stride) .ne. 0) then
             imax(1) = imax(1) - mod(imax(1)-lb(1),stride) 
          endif
          imax(1) = getindx(imax(1), lb(1), stride)  
    
          do 10 i = imin(1), imax(1)
    c     Compute rho
             if (mcomp.eq.1) then 
                qf(i) = 0.d0
                do k = 1, Nsp
                   qf(i) = qf(i) + q(k,i)
                enddo
    c           # Convert g/cm**3 into kg/m**3
                if (ckunits) qf(i) = qf(i)*1.d3
    c     Compute p
             else if (mcomp.eq.2) then 
                rhoW = 0.d0
                do k = 1, Nsp
                   rhoW = rhoW + q(k,i)/Wk(k)
                enddo
                T = q(Nsp+3,i)
                qf(i) = rhoW*RU*T
    c           # Convert dynes/cm**2 into Pa = J/m**2
                if (ckunits) qf(i) = qf(i)*1.d-1
    c     Compute gamma
             else if (mcomp.eq.3) then 
                rhoW = 0.d0
                do k = 1, Nsp
                   rhoW = rhoW + q(k,i)/Wk(k)
                enddo
                T = q(Nsp+3,i)
                rhoCp = avgtabip(T,q(1,i),cpk,Nsp)
                qf(i) = RU/(rhoCp/rhoW-RU)+1.d0      
    c     Compute Yk
             else if (mcomp.ge.4.and.mcomp.lt.4+Nsp) then
                rho = 0.d0
                do k = 1, Nsp
                   rho = rho + q(k,i)
                enddo
                qf(i) = q(mcomp-3,i)/rho
             else
                qf(i) = 0.d0
             endif
     10   continue         
    
          return
          end
    

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