Mr. Nikos Mantadakis | Engineering | Best Researcher Award

PhD candidate | Aristotle University of Thessaloniki (AUTh) | Greece

Nikolaos (Nikos) Mantadakis is a Greek civil engineer and researcher specializing in the numerical modeling and analysis of floating offshore structures, with a strong focus on the co-exploitation of wind and wave energy systems. His research integrates computational hydrodynamics, structural dynamics, and hydroelasticity to develop advanced simulation frameworks for hybrid offshore energy platforms. He has contributed to the development and validation of computational tools such as HAMS-MREL and has published in leading journals including Renewable Energy and the Journal of Marine Science and Engineering. His works address aero-hydro-servo-elastic coupling, hydrodynamic interactions, and resilience assessment of marine and coastal infrastructure. As part of his scientific engagement, he has actively participated in the COST Action “WECANet,” promoting European collaboration in marine renewable energy research, and contributed to the conceptual design of the FORCYS floating offshore wind turbine. Mantadakis also serves as a reviewer for international conferences and journals in offshore and polar engineering, demonstrating his recognized expertise in the field. With 78 citations from 75 documents, 7 published works, and an h-index of 4, his ongoing research aims to enhance the understanding and performance optimization of floating energy systems through advanced computational methods, supporting the sustainable development of offshore renewable energy technologies.

Profile: Scopus

Featured Publications

Raghavan, V., Loukogeorgaki, E., Mantadakis, N., Metrikine, A. V., & Lavidas, G. (2024). HAMS-MREL, a new open source multiple body solver for marine renewable energies: Model description, application and validation. Renewable Energy, 237, 121577.

Ms. Takwa Hamdi | Industrial Engineering | Best Researcher Award

PhD Candidate | University of Gabes | Tunisia

Takwa Hamdi is a PhD student in Mechanical Engineering from Gabes, Tunisia, specializing in advanced combustion modeling and alternative fuels. She possesses strong expertise in numerical simulation and computational analysis using tools such as ANSYS Forte, SolidWorks, MATLAB, Abaqus, Autocad, and Mastercam. Her research focuses on the modeling of dual-fuel combustion processes, particularly the interaction of light alcohols and hydrogen in internal combustion engines, contributing to the advancement of low-emission and sustainable energy technologies. She has published research on the computational analysis of methanol energy ratios in dual-fuel engines and demonstrated academic excellence as a top-ranked graduate during her master’s studies. Professionally, she serves as an Adjunct Lecturer at the Higher Institute of Technological Studies of Gabes, where she teaches courses in dismountable assembly processes, computer-aided design, welding, and mechanical design projects, combining theoretical instruction with practical training. Her professional and research experiences reflect a deep interest in clean energy conversion, combustion optimization, and numerical modeling of multiphase flows. Fluent in Arabic, French, and English, Takwa exhibits strong analytical thinking, problem-solving abilities, and a collaborative mindset. She is passionate about innovation, sustainability, and contributing to scientific progress in mechanical and energy engineering.

Profile: Orcid

Featured Publications

Hamdi, T., Hamdi, F., Molima, S., & Chrigui, M. (2025). Eulerian–Lagrangian study of swirled combustion in heavy-duty natural gas/diesel dual-fuel engines under low load condition. Combustion Theory and Modelling.

Hamdi, T., Hamdi, F., Molima, S., Domínguez, V. M., Rodríguez-Fernández, J., Hernández, J. J., & Chrigui, M. (2025). Numerical investigation of hydrogen substitution ratio effects on spray characteristics, combustion behavior, and emissions in a dual-fuel compression ignition engine. Machines, 13(10), 880.

Hamdi, T., Hamdi, F., Molima, S., Hernández, J. J., & Chrigui, M. (2025). Computational analysis on the effect of methanol energy ratio on the spray and combustion pattern of a dual-fuel compression ignition engine. Journal of Energy Resources Technology, Part A: Sustainable and Renewable Energy.

Molima, S., Hamdi, F., Hamdi, T., Muya, G. T., Mondo, K., Amsini, S., & Chrigui, M. (2025). Effects of H₂ substitution on combustion and emissions in ammonia/diesel compression ignition engine. Energy Conversion and Management, 119858.