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Dr. Timoleon Plessas | Ship Design | Best Researcher Award

Research Engineer | National Technical University of Athens | Greece

Dr. Timoleon Plessas is a distinguished ship design optimization expert with a focus on sustainable and efficient ship design methodologies. With a strong academic foundation and extensive experience in both academia and industry, Dr. Plessas has made significant contributions to the field of naval architecture and marine engineering. His work spans several EU-funded projects, focusing on the optimization of ship design and operation for improved performance, sustainability, and energy efficiency.

Profile

Scopus

Education
Dr. Plessas earned his PhD in Ship Design Optimization from the School of Naval Architecture and Marine Engineering, National Technical University of Athens, where he studied from 2012 to 2018. He completed his Dipl. in Naval Architecture and Marine Engineering in 2012, also from the same institution. His academic background has laid the groundwork for his extensive research and application of ship design optimization techniques.

Experience
Dr. Plessas has over a decade of experience in both research and industry. He founded Sealion Engineering in 2023 and continues to contribute as a research engineer at the Ship Design Laboratory, National Technical University of Athens. His involvement in various European Union-funded projects, such as ORCELLE, HOLISHIP, SHOPERA, and REFRESH, showcases his expertise in developing simulation tools and optimization methodologies for different types of ships, including tankers, bulk carriers, and ROPAX vessels. His work has focused on integrating wind-assisted propulsion systems, energy-saving practices, and optimization of cargo handling and HVAC systems.

Research Interest
Dr. Plessas’ research interests include ship design optimization, particularly in the context of energy efficiency, sustainability, and operational safety. His work explores multi-objective optimization techniques for various ship types, including containerships and ROPAX vessels. He also focuses on the integration of wind propulsion systems into ship design to reduce fuel consumption and improve environmental performance. His research is at the intersection of advanced simulation tools, optimization techniques, and practical applications in the maritime industry.

Awards
Dr. Plessas has received the ‘Pari Perra’ Award for the best Diploma Thesis in 2014 for his work on “Introducing Uncertainty in the Optimization of Ship’s Basic Characteristics” from the National Technical University of Athens. This recognition highlights his early contributions to ship design optimization and his ability to address complex challenges in naval architecture.

Publications
Dr. Plessas has published several influential papers in top scientific journals, reflecting his expertise in ship design and optimization.

  1. Plessas T., Papanikolaou A., “Multi-Objective Optimization of Ship Design for the Effect of Wind Propulsion,” Journal of Marine Science and Engineering, 2025.
  2. Plessas T., Kanellopoulou A., et al., “Exploration of Design Space and Optimization of ROPAX Vessels and Containerships in View of EEDI and Safe Operation in Adverse Sea Conditions,” Ocean Engineering, Vol. 162, 2018.
  3. Priftis A., Papanikolaou A., Plessas T., “Parametric Design & Multi-Objective Optimization of Containerships,” Journal of Ship Production and Design, SNAME, 2015.
  4. Plessas T., Chroni D., et al., “Simulation and Optimization of Cargo Handling Operations of AFRAMAX Tankers,” Journal of Engineering for the Maritime Environment, 2015.
    Additionally, Dr. Plessas has contributed to books and conference proceedings, such as the Proceedings of 15th International Marine Design Conference (IMDC-2024).

Conclusion
Dr. Timoleon Plessas is a highly skilled and dedicated researcher in the field of ship design optimization, with a strong record of academic achievements, industry contributions, and award recognition. His interdisciplinary approach to optimizing ship design for sustainability, efficiency, and safety continues to impact the field positively. With his extensive experience, innovative research, and leadership in EU-funded projects, Dr. Plessas remains a leading figure in naval architecture and marine engineering.

Timoleon Plessas | Ship Design | Best Researcher Award

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