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  1. C FDV22F SOURCE CB215821 16/04/21 21:16:48 8920
  2. SUBROUTINE fDV22F(INDMET,
  3. & alphaL, uvnL, uvtL, ulnL, ultL, pL, TvL, TlL,
  4. & rvL, rlL,
  5. & alphaR, uvnR, uvtR, ulnR, ultR, pR, TvR, TlR,
  6. & rvR, rlR,
  7. & F)
  8. C***********************************************************************
  9. C NOM : fADV22F
  10. C DESCRIPTION : Calculation of the Two phase AUSMDV flux
  11. C (2D two fluid model)
  12. C
  13. C LANGAGE : ESOPE
  14. C AUTEUR : José R. Garcia Cascales (CEA/DEN/DM2S/SFME/LTMF)
  15. C mél : fd1@semt2.smts.cea.fr
  16. C***********************************************************************
  17. C APPELES :
  18. C APPELES (E/S) :
  19. C inputs : INDMET, variable to say if we want
  20. C preconditioned version or not
  21. C primitive variable at left side
  22. C AL, UVNL, UVTL, ULNL, ULTL, PL, TVL, TLL,
  23. C RVG, RLG,
  24. C primitive variables at right side
  25. C AR, UVNR, UVTR, ULNR, ULTR, PR, TVR, TLR,
  26. C RVR, RLR,
  27. C
  28. C output : F, 2D AUSMDV or "preconditioned" AUSMDV flux
  29. C***********************************************************************
  30. C SYNTAXE GIBIANE :
  31. C ENTREES :
  32. C ENTREES/SORTIES :
  33. C SORTIES :
  34. C CODE RETOUR (IRET) : = 0 si tout s'est bien passé
  35. C***********************************************************************
  36. C VERSION : v1, 13/03/2002, version initiale
  37. C***********************************************************************
  38. *
  39. real*8 F(8)
  40. real*8 alphaL, alphaR, uvnL, uvnR, uvtL, uvtR,
  41. & ulnL, ulnR, ultL, ultR, pL, pR, evL, evR, elL,
  42. & elR, hvL, hvR, hlL, hlR, TvL, TvR, TlL, TlR
  43. integer INDMET
  44. C variables for AUSMDV scheme
  45. real*8 rvL, rvR, rlL, rlR, avL, avR, alL, alR
  46. real*8 alm, avm, MlL, MlR, MvL, MvR, avpm, alpm,
  47. & dotmv, dotml, Mvplus, Mvmin, Mlplus, Mlmin,
  48. & Pvplus, Pvmin, Plplus, Plmin,
  49. & fvL, fvR, flL, flR, wvplus, wvmin, wlplus, wlmin
  50.  
  51. real*8 gamv, cpv, gaml, cpl, pil
  52. PARAMETER(gamv = 1.4D0, cpv = 1008.D0,
  53. & gaml = 2.8D0, cpl = 4186.D0, pil = 8.5D8)
  54.  
  55. evL = cpv*TvL/gamv
  56. evR = cpv*TvR/gamv
  57. elL = cpl*TlL/gaml + pil/rlL
  58. elR = cpl*TlR/gaml + pil/rlR
  59.  
  60. hvL = evL + pL/rvL
  61. hvR = evR + pR/rvR
  62. hlL = elL + pL/rlL
  63. hlR = elR + pR/rlR
  64.  
  65. C Speed of sound at left and rigth sides
  66. avL = SQRT((gamv - 1.D0)*Cpv*TvL)
  67. avR = SQRT((gamv - 1.D0)*Cpv*TvR)
  68. avm = SQRT(avL*avR)
  69. alL = SQRT((gaml - 1.D0)*Cpl*TlL)
  70. alR = SQRT((gaml - 1.D0)*Cpl*TlR)
  71. alm = SQRT(alL*alR)
  72.  
  73. C Match number at both sides
  74. MlL = ulnL/alm
  75. MlR = ulnR/alm
  76. MvL = uvnL/avm
  77. MvR = uvnR/avm
  78.  
  79. C AUSMDV scheme
  80. C fvL = pL/(alphaL*rvL)
  81. C fvR = pR/(alphaR*rvR)
  82. C flL = pL/((1.D0 - alphaL)*rlL)
  83. C flR = pR/((1.D0 - alphaR)*rlR)
  84.  
  85. fvL = 1.D0/(alphaL*rvL)
  86. fvR = 1.D0/(alphaR*rvR)
  87. flL = 1.D0/((1.D0 - alphaL)*rlL)
  88. flR = 1.D0/((1.D0 - alphaR)*rlR)
  89.  
  90. C fvL = pL/(rvL)
  91. C fvR = pR/(rvR)
  92. C flL = pL/(rlL)
  93. C flR = pR/(rlR)
  94.  
  95. C fvL = 1.D0/(rvL)
  96. C fvR = 1.D0/(rvR)
  97. C flL = 1.D0/(rlL)
  98. C flR = 1.D0/(rlR)
  99.  
  100. wvplus = 2.D0*fvL/(fvL + fvR)
  101. wvmin = 2.D0*fvR/(fvL + fvR)
  102. wlplus = 2.D0*flL/(flL + flR)
  103. wlmin = 2.D0*flR/(flL + flR)
  104.  
  105. call mpADV(wvplus, wvmin, MvL, MvR, Mvplus, Mvmin, Pvplus, Pvmin)
  106. call mpADV(wlplus, wlmin, MlL, MlR, Mlplus, Mlmin, Plplus, Plmin)
  107.  
  108. C AUSM schemes mass fluxes
  109. dotmv = avm*(alphaL*rvL*Mvplus + alphaR*rvR*Mvmin)
  110. dotml = alm*((1.D0 - alphaL)*rlL*Mlplus + (1.D0 - alphaR)*rlR
  111. $ *Mlmin)
  112. if(INDMET .EQ. 4)then
  113. dotml = dotml + 0.01d0*(pL - pR)
  114. end if
  115. C AUSM schemes pressure fluxes
  116. avpm = Pvplus*alphaL*pL + Pvmin*alphaR*pR
  117. alpm = Plplus*(1.D0 - alphaL)*pL + Plmin*(1.D0 - alphaR)
  118. $ *pR
  119.  
  120. C Definition of convective part of the flux
  121. if (dotmv .GT. 0.D0) then
  122.  
  123. F(1) = dotmv*1.D0
  124. F(3) = dotmv*uvnL
  125. F(5) = dotmv*uvtL
  126. F(7) = dotmv*(hvL + (uvnL**2 + uvtL**2)/2.D0)
  127. else
  128. F(1) = dotmv*1.D0
  129. F(3) = dotmv*uvnR
  130. F(5) = dotmv*uvtR
  131. F(7) = dotmv*(hvR + (uvnR**2 + uvtR**2)/2.D0)
  132. end if
  133.  
  134. if (dotml .GT. 0.D0) then
  135. F(2) = dotml*1.D0
  136. F(4) = dotml*ulnL
  137. F(6) = dotml*ultL
  138. F(8) = dotml*(hlL + (ulnL**2 + ultL**2)/2.D0)
  139. else
  140. F(2) = dotml*1.D0
  141. F(4) = dotml*ulnR
  142. F(6) = dotml*ultR
  143. F(8) = dotml*(hlR + (ulnR**2 + ultR**2)/2.D0)
  144. end if
  145.  
  146. C Addition of the pressure term
  147.  
  148. F(3) = F(3) + avpm
  149. F(4) = F(4) + alpm
  150.  
  151. END
  152.  
  153.  
  154.  
  155.  
  156.  

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