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SCMP LBM EOS

SCMP LBM EOS. Problem. No problem with original SC model (FHP) D2Q9 EOS not general (for different G) EOS not consistent with (inconsistent?) literature Simulations not consistent with literature EOS. Expectation. EOS should have P v = P l for flat interface simulations at all G.

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SCMP LBM EOS

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  1. SCMP LBM EOS

  2. Problem • No problem with original SC model (FHP) • D2Q9 EOS not general (for different G) • EOS not consistent with (inconsistent?) literature • Simulations not consistent with literature EOS

  3. Expectation • EOS should have Pv = Pl for flat interface simulations at all G

  4. Nourgaliev, et al 2003 (Int. J. Multiphase Flow): • For D2Q9 (sic): • b = 24 • D = 2 • What if • b = 8 • D = 2? Sukop and Or, 2004 (Wat. Resour. Res.)

  5. He and Doolen, 2002 (J. Stat. Phys. 107, 309-328) • Excellent paper that may hold key to resolving EOS limitations (also non-isothermal flows) • Requires decoupling of velocity and space discretizations Sukop and Or, 2004 (Wat. Resour. Res.)

  6. Sukop and Or, 2004 (Wat. Resour. Res.)

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