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using effective polymer viscosity for polymer mobility calculation.

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This commit is contained in:
Kai Bao
2016-04-14 12:29:57 +02:00
parent 586afdb816
commit 666f91505d
5 changed files with 98 additions and 1 deletions
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46
opm/polymer/PolymerProperties.cpp
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@@ -243,6 +243,52 @@ namespace Opm
}
}
void PolymerProperties::effectiveInvPolyVisc(const double c,
const double* visc,
double& inv_mu_p_eff) const
{
double dummy;
effectiveInvPolyViscBoth(c, visc, inv_mu_p_eff, dummy, false);
}
void PolymerProperties::effectiveInvPolyViscWithDer(const double c,
const double* visc,
double& inv_mu_p_eff,
double& d_inv_mu_p_eff_dc) const
{
effectiveInvPolyViscBoth(c, visc, inv_mu_p_eff, d_inv_mu_p_eff_dc, true);
}
void PolymerProperties::effectiveInvPolyViscBoth(const double c,
const double* visc,
double& inv_mu_p_eff,
double& dinv_mu_p_eff_dc,
const bool if_with_der) const
{
const double omega = mix_param_;
const double mu_w = visc[0];
double mu_m = 0.0;
double dmu_m_dc = 0.0;
if (if_with_der) {
mu_m = viscMultWithDer(c, &dmu_m_dc)*mu_w;
dmu_m_dc *= mu_w;
} else {
mu_m = viscMult(c)*mu_w;
}
const double inv_mu_m_omega = std::pow(mu_m, -omega);
const double mu_p = viscMult(c_max_) * mu_w;
inv_mu_p_eff = inv_mu_m_omega * std::pow(mu_p, omega - 1.);
if (if_with_der) {
dinv_mu_p_eff_dc = -omega * dmu_m_dc * std::pow(mu_m, -omega - 1) * std::pow(mu_p, omega - 1);
}
}
void PolymerProperties::effectiveRelperm(const double c,
const double cmax,
const double* relperm,