UMRPR.jl

"""
    UMRPR(components;
    idealmodel = BasicIdeal,
    userlocations = String[],
    group_userlocations = String[],
    ideal_userlocations = String[],
    alpha_userlocations = String[],
    mixing_userlocations = String[],
    activity_userlocations = String[],
    translation_userlocations = String[],
    reference_state = nothing,
    verbose = false)

Universal Mixing Rule Peng Robinson equation of state. it uses the following models:
- Translation Model: [`MTTranslation`](@ref)
- Alpha Model: [`MTAlpha`](@ref)
- Mixing Rule Model: [`UMRRule`](@ref) with [`UNIFAC`](@ref) activity
## References
1. Voutsas, E., Magoulas, K., & Tassios, D. (2004). Universal mixing rule for cubic equations of state applicable to symmetric and asymmetric systems: Results with the Peng−Robinson equation of state. Industrial & Engineering Chemistry Research, 43(19), 6238–6246. [doi:10.1021/ie049580p](https://doi.org/10.1021/ie049580p)
"""
function UMRPR(components;
    idealmodel = BasicIdeal,
    userlocations = String[],
    group_userlocations = String[],
    ideal_userlocations = String[],
    alpha_userlocations = String[],
    mixing_userlocations = String[],
    activity_userlocations = String[],
    translation_userlocations = String[],
    reference_state = nothing,
    verbose = false)


    activity = UNIFAC(components,
                puremodel = BasicIdeal,
                userlocations = activity_userlocations,
                group_userlocations = group_userlocations,
                verbose = verbose)

    _components = activity.groups.components #extract pure component list

    translation = MTTranslation
    alpha = MTAlpha
    mixing = UMRRule

    return PR(_components;
    idealmodel = idealmodel,
    alpha = alpha,
    mixing = mixing,
    activity = activity,
    translation = translation,
    userlocations = userlocations,
    ideal_userlocations = ideal_userlocations,
    alpha_userlocations = alpha_userlocations,
    mixing_userlocations = mixing_userlocations,
    activity_userlocations = activity_userlocations,
    translation_userlocations = translation_userlocations,
    reference_state = reference_state,
    verbose = verbose)
end
export UMRPR