Batra, AmitSampath, SureshNikolaidis, TheoklisPilidis, Pericles2023-02-152023-02-152023-02-08Batra A, Sampath S, Nikolaidis T, Pilidis P. (2023) Techno-economic model-based design space exploration of ‘combined’ ship propulsion systems, Journal of Marine Science and Technology, Volume 28, Issue 1, March 2023, pp. 288–3130948-4280https://doi.org/10.1007/s00773-022-00917-2https://dspace.lib.cranfield.ac.uk/handle/1826/19191The architecture of a ship propulsion system, developed during early stages of the overall ship design process, has a very large impact on the overall design and performance of the ship. The design space exploration to arrive at the final ship propulsion architecture can be a rather complex process for high-performance 'combined' ship propulsion systems designed to achieve multiple, often conflicting, design objectives. This paper proposes a novel process for the process of design space exploration based on a model-based ‘Techno-economic & Environmental Risk Assessment’ (TERA) approach, executed using a hybrid ‘Multiple-Criteria Decision-Making’ (MCDM) procedure, to select a compromise solution from competing propulsion system architectures populating the design space. The process utilizes a combination of performance data generated from performance simulation of developed models, as well as comparative expert opinions-based metrics for information not available early in the ship design process for selection of a 'compromise solution'. The paper includes an illustrative example of application of the proposed process for design space exploration for a combined propulsion system architecture for a notional destroyer.enAttribution 4.0 Internationalhttp://creativecommons.org/licenses/by/4.0/Ship propulsion system designDesign space explorationModel-based designTechno-economic & Environmental Risk Assessment (TERA)Multiple-Criteria Decision-Making (MCDM)Analytic Hierarchy Process (AHP)Analytic Network Process (ANP)Decision-Making Trial and Evaluation Laboratory (DEMATEL)DANPVIKORArticle1437-8213