calc_kr_durner Function

pure elemental function calc_kr_durner(alpha1, n1, m1, w1, alpha2, n2, m2, w2, l, h) result(kr)

Arguments

Type IntentOptional Attributes Name
real(kind=real64), intent(in) :: alpha1
real(kind=real64), intent(in) :: n1
real(kind=real64), intent(in) :: m1
real(kind=real64), intent(in) :: w1
real(kind=real64), intent(in) :: alpha2
real(kind=real64), intent(in) :: n2
real(kind=real64), intent(in) :: m2
real(kind=real64), intent(in) :: w2
real(kind=real64), intent(in) :: l
real(kind=real64), intent(in) :: h

Return Value real(kind=real64)


Called by

proc~~calc_kr_durner~~CalledByGraph proc~calc_kr_durner calc_kr_durner proc~calc_kr_base_durner calc_kr_base_durner proc~calc_kr_base_durner->proc~calc_kr_durner interface~calc_kr_base_durner type_hcf_base_durner%calc_kr_base_durner interface~calc_kr_base_durner->proc~calc_kr_base_durner

Source Code

    pure elemental function calc_kr_durner(alpha1, n1, m1, w1, alpha2, n2, m2, w2, l, h) result(kr)
        implicit none
        real(real64), intent(in) :: alpha1, alpha2
        real(real64), intent(in) :: n1, n2
        real(real64), intent(in) :: m1, m2
        real(real64), intent(in) :: w1, w2
        real(real64), intent(in) :: l
        real(real64), intent(in) :: h
        real(real64) :: kr
        real(real64) :: Sw1, Sw2

        if (h < 0.0d0) then
            Sw1 = (1.0d0 + (-alpha1 * h)**n1)**(-m1)
            Sw2 = (1.0d0 + (-alpha2 * h)**n2)**(-m2)
            kr = (w1 * Sw1 + w2 * Sw2)**l * &
                 (w1 * alpha1 * (1.0d0 - (1.0d0 - Sw1**(1.0d0 / m1))**m1) &
                  + w2 * alpha2 * (1.0d0 - (1.0d0 - Sw2**(1.0d0 / m2))**m2))**2.0d0 / &
                 (w1 * alpha1 + w2 * alpha2)**2.0d0
        else
            kr = 1.0d0
        end if

    end function calc_kr_durner