Sammendrag
ABSTRACT: In this paper, we investigate the validity of quasi-static discrete-event simulation for estimation
of fuel consumption and assessment of energy effective ship designs. Stricter emission regulations for ships and
developments in computer science have sparked an interest in virtual testing and simulation approaches to enhance
our understanding of vessel performance early in the design process. Our methodology uses discreteevent
simulation and historical weather data to replicate the operational conditions, and quasi-static calculations
to estimate wave and wind added resistance on the ship hull. The validity of this approach is tested in a case
study using full-scale measurements from a deep-sea vessel. Results show that we are able to recreate the voyage
in a manner that show several similarities to the case vessel measurements. Speed policies that better replicate
real operation and fuel curves that take the engine state into account is recommended in order to improve
fuel consumption estimates.
of fuel consumption and assessment of energy effective ship designs. Stricter emission regulations for ships and
developments in computer science have sparked an interest in virtual testing and simulation approaches to enhance
our understanding of vessel performance early in the design process. Our methodology uses discreteevent
simulation and historical weather data to replicate the operational conditions, and quasi-static calculations
to estimate wave and wind added resistance on the ship hull. The validity of this approach is tested in a case
study using full-scale measurements from a deep-sea vessel. Results show that we are able to recreate the voyage
in a manner that show several similarities to the case vessel measurements. Speed policies that better replicate
real operation and fuel curves that take the engine state into account is recommended in order to improve
fuel consumption estimates.
