void
SimpleFluidProperties::beta_from_p_T(
    Real pressure, Real temperature, Real & beta, Real & dbeta_dp, Real & dbeta_dT) const
{
  beta = beta_from_p_T(pressure, temperature);
  dbeta_dp = 0.0;
  dbeta_dT = 0.0;
}
Real
SinglePhaseFluidProperties::beta(Real p, Real T) const
{
  return beta_from_p_T(p, T);
}
Real
SinglePhaseFluidProperties::beta(Real pressure, Real temperature) const
{
  return beta_from_p_T(pressure, temperature);
}