noads.core.models.traffic

Air Traffic modelling.

class noads.core.models.traffic.AirTraffic

Bases: AutoModel

The air traffic demand model.

Computes trend RPK from population and per-capita income through the calibrated generalized logistic function, applies the SSP storyline multiplier and the COVID-recovery adjustment, converts demand into supply (ASK) with the time-quadratic load factor, and applies the market supply-shift ratios of the low-demand formulation, together with the associated relative ticket price change and its discounted burden.

discipline: AutoJAXDiscipline

noads.core.models.traffic.generalised_logistic(x, left_asymptote=0.0, capacity=0.01118996, growth_rate=0.00010489, logistic_nu=0.18720497, asymptote_coeff=1.27603214, x_lag=0.0)

Generalized logistic (Richards) function.

Used to model the saturation of per-capita air traffic demand with rising per-capita income; see the demand model of the extended paper for the calibrated parameters and their interpretation.

Functions

generalised_logistic(x[, left_asymptote, ...])

Generalized logistic (Richards) function.

Classes

AirTraffic()

The air traffic demand model.