Пример #1
0
fout.write(
    '#T     nvapor     nliquid       phi(nvap)        phi(nliq)         nparticular\n'
)  #       phi_avg')

# Do first temperature before the loop
nvapor, phi_vapor = minmax.minimize(SW.phi, T, a_vap, c_vap, nparticular)
nliquid, phi_liquid = minmax.minimize(SW.phi, T, a_liq, c_liq, nparticular)
sys.stdout.flush()

#while T < 1.4:
for i in xrange(0, N + 1):
    T = (Tc - Tlow) * (1 - ((N - i) / N)**4) + Tlow

    fout.flush()
    # Starting point for new nparticular is abscissa of max SW.phi with old nparticular
    nparticular = minmax.maximize(SW.phi, T, nvapor, nliquid, nparticular)

    # I'm looking at the minima of SW.phi
    c_vap = nparticular
    a_liq = nparticular

    nvapor, phi_vapor = minmax.minimize(SW.phi, T, c_vap, a_vap, nparticular)
    nliquid, phi_liquid = minmax.minimize(SW.phi, T, a_liq, c_liq, nparticular)

    if abs(T - 0.8) < 0.05:
        print "\n\nT =", T
        print 'npart', nparticular
        print 'nv', nvapor
        print 'nl', nliquid

    tol = 1e-5
Пример #2
0
# label the columns of the output
fout.write('#T     nvapor     nliquid       phi(nvap)        phi(nliq)         nparticular\n')#       phi_avg')

# Do first temperature before the loop
nvapor,phi_vapor = minmax.minimize(SW.phi,T,a_vap,c_vap,nparticular)
nliquid,phi_liquid = minmax.minimize(SW.phi,T,a_liq,c_liq,nparticular)
sys.stdout.flush()

#while T < 1.4:
for i in xrange(0,N+1):
    T = (Tc - Tlow)*(1 - ((N-i)/N)**4) + Tlow

    fout.flush()
    # Starting point for new nparticular is abscissa of max SW.phi with old nparticular
    nparticular = minmax.maximize(SW.phi,T,nvapor, nliquid, nparticular)

    # I'm looking at the minima of SW.phi
    c_vap = nparticular
    a_liq = nparticular

    nvapor,phi_vapor = minmax.minimize(SW.phi,T,c_vap,a_vap,nparticular)
    nliquid,phi_liquid = minmax.minimize(SW.phi,T,a_liq,c_liq,nparticular)

    if abs(T - 0.8) < 0.05:
        print "\n\nT =", T
        print 'npart', nparticular
        print 'nv', nvapor
        print 'nl', nliquid

    tol = 1e-5
Пример #3
0
# Do first temperature before the loop
leftmin_n, leftmin_phi = minmax.minimize(H.Phi_alt, T, a_vap, c_vap,
                                         nparticular)
rightmin_n, rightmin_phi = minmax.minimize(H.Phi_alt, T, a_liq, c_liq,
                                           nparticular)

leftmin_n = a_vap
rightmin_n = c_liq

# while T < 800:
for i in xrange(0, N + 1):
    T = (Tc - Tlow) * (1 - ((N - i) / N)**4) + Tlow

    fout.flush()
    # Starting point for new nparticular is abscissa of max H.Phi_alt with old nparticular
    nparticular = minmax.maximize(H.Phi_alt, T, leftmin_n, rightmin_n,
                                  nparticular)
    tol_nparticular = 1e-2 / H.conv_n

    # I'm looking at the minima of H.Phi_alt
    c_vap = nparticular
    a_liq = nparticular
    leftmin_n, leftmin_phi = minmax.minimize(H.Phi_alt, T, c_vap, a_vap,
                                             nparticular)
    rightmin_n, rightmin_phi = minmax.minimize(H.Phi_alt, T, a_liq, c_liq,
                                               nparticular)
    tol_min = 0.5 / H.conv_p

    # Compare the two minima in H.Phi_alt
    while np.fabs(leftmin_phi - rightmin_phi) > tol_min:
        delta_mu = (rightmin_phi - leftmin_phi) / (rightmin_n - leftmin_n)
Пример #4
0
# Do first temperature before the loop
leftmin_n,leftmin_phi = minmax.minimize(H.Phi_alt,T,a_vap,c_vap,nparticular)
rightmin_n,rightmin_phi = minmax.minimize(H.Phi_alt,T,a_liq,c_liq,nparticular)


leftmin_n = a_vap
rightmin_n = c_liq

# while T < 800:
for i in xrange(0,N+1):
    T = (Tc - Tlow)*(1 - ((N-i)/N)**4) + Tlow

    fout.flush()
    # Starting point for new nparticular is abscissa of max H.Phi_alt with old nparticular
    nparticular = minmax.maximize(H.Phi_alt,T,leftmin_n, rightmin_n, nparticular)
    tol_nparticular = 1e-2/H.conv_n


    # I'm looking at the minima of H.Phi_alt
    c_vap = nparticular
    a_liq = nparticular
    leftmin_n,leftmin_phi = minmax.minimize(H.Phi_alt,T,c_vap,a_vap,nparticular)
    rightmin_n,rightmin_phi = minmax.minimize(H.Phi_alt,T,a_liq,c_liq,nparticular)
    tol_min = 0.5/H.conv_p

    # Compare the two minima in H.Phi_alt
    while np.fabs(leftmin_phi - rightmin_phi) > tol_min:
        delta_mu = (rightmin_phi - leftmin_phi)/(rightmin_n - leftmin_n)
        def newphi(T, n, npart):
            return H.Phi_alt(T, n, npart) - delta_mu*n