Home / Publications
Publications & theses
Eighty publications in international journals and conferences, with full-text archives maintained by the group, and the diploma theses that produced several of them.
Metrics and full-text archives
The group’s output is tracked in Google Scholar; the full texts are shared from the group’s own archives.
Journal papers
Full texts of the group’s journal papers can be downloaded from the shared archive:
Conference papers
Full texts of the group’s conference papers are available here:
Selected journal papers
Most recent first. Citation counts are those reported by Google Scholar in 2025.
Skaltsas D., Wang X., Wang Q. J., Papadopoulos C. I., Effects of stochastic roughness on the performance of magnetic-fluid-based hydrodynamic bearings.
Journal of Tribology 148 (11), 112402 — 2026.
Skaltsas D., Wang X., Wang Q. J., Papadopoulos C. I., A generalized Reynolds-type equation for surfaces with stochastic surface roughness under the effect of symmetric electric double layer.
Tribology International, 111735 — 2026.
Pervelis I., Rossopoulos G. N., Papadopoulos C. I., Applicability of Winkler and FEM models for elastohydrodynamic analysis of deformable oil and water-lubricated journal bearings.
Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology — 2026.
Skaltsas D., Papadopoulos C. I., Calculation of operational parameter variation of finite slider and journal bearings with stochastic roughness on the stator and the rotor.
Journal of Tribology 147 (10), 104105 — 2025.
Rossopoulos G. N., Pervelis I., Skaltsas D., Papadopoulos C. I., Vlachos O., Koutsoumpas G., Leontopoulos C., Experimental characterization of the tribological and acoustic performance of different stern-tube bearing materials.
Tribology International 206, 110590 — 2025.
Pradhan A., Müser M. H., Miller N. et al. (incl. Papadopoulos C. I.), The surface-topography challenge: a multi-laboratory benchmark study to advance the characterization of topography.
Tribology Letters 73 (3), 110 — 2025.
Charvalos G., Tzakis A., Arvanitis A., Peppa S., Papadopoulos C., Environmental and economic assessment of alternative marine fuels for bulk carriers: a comparative analysis of Handymax, Panamax and Supramax vessels.
Journal of Marine Science and Engineering 13 (9), 1757 — 2025.
Rossopoulos G. N., Papadopoulos C. I., AI techniques for evaluating misaligned journal bearing performance: an approach beyond the Sommerfeld number.
Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology — 2024. · doi
Rossopoulos G. N., Papadopoulos C. I., A π-theorem-based advanced scaling methodology for similarity assessment of marine shafting systems.
Journal of Marine Science and Engineering 12 (6), 894 — 2024.
Skaltsas D., Papadopoulos C. I., Calculation of operational parameter variation of infinitely long slider bearings with stochastic roughness.
Tribology International 194, 109475 — 2024.
Sarafoglou C. I., Skaltsas D., Tsiourva D. et al. (incl. Papadopoulos C. I.), Encapsulated liquid lubricants incorporated in metal matrix thermal spraying coatings.
Journal of Thermal Spray Technology — 2023. doi
Rossopoulos G. N., Papadopoulos C. I., A journal bearing performance prediction method utilizing a machine learning technique.
Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology 236 (10), 1993–2003 — 2022. doi
Skaltsas D., Rossopoulos G. N., Papadopoulos C. I., A comparative study of the Reynolds equation solution for slider and journal bearings with stochastic roughness on the stator and the rotor.
Tribology International — 2022.
Arapakopoulos A., Liaskos O., Mitsigkola S. et al. (incl. Papadopoulos C. I.), 3D reconstruction & modeling of the traditional Greek Trechadiri “Aghia Varvara”.
Heritage 5 (2), 1295–1309 — 2022. doi
Liaskos O., Mitsigkola S., Arapakopoulos A. et al. (incl. Papadopoulos C. I.), Development of the virtual reality application “The Ships of Navarino”.
Applied Sciences 12 (7), 3541 — 2022. doi
Moschopoulos M., Rossopoulos G. N., Papadopoulos C. I., Journal bearing performance prediction using machine learning and octave-band signal analysis of sound and vibration measurements.
Polish Maritime Research — 2021.
Rossopoulos G. N., Papadopoulos C. I., Leontopoulos C., Tribological comparison of an optimum single and double slope design of the stern tube bearing: case study for a marine vessel.
Tribology International 150, 106343 — 2020. doi
Chalkiopoulos M., Charitopoulos A. G., Fillon M., Papadopoulos C. I., Effects of thermal and mechanical deformations on textured thrust bearings optimally designed by a THD calculation method.
Tribology International 148, 106303 — 2020. doi
Koutsoumpas G., Charitopoulos A. G., Papadopoulos C. I., Fillon M., Computational evaluation of dynamic coefficients of thrust bearings; effect of artificial texturing on thermohydrodynamic performance.
Surface Topography: Metrology and Properties 8 (2), 024009 — 2020.
Zoupas L., Wodtke M., Papadopoulos C. I., Wasilczuk M., Effect of manufacturing errors of the pad sliding surface on the performance of the hydrodynamic thrust bearing.
Tribology International 134, 211–220 — 2019. doi
Charitopoulos A., Fillon M., Papadopoulos C. I., Numerical investigation of parallel and quasi-parallel slider bearings operating under thermoelastohydrodynamic (TEHD) regime.
Tribology International — 2019. doi
Charitopoulos A., Visser R., Eling R., Papadopoulos C. I., Design optimization of an automotive turbocharger thrust bearing using a CFD-based THD computational approach.
Lubricants 6, 21 — 2018. doi
Koukoulopoulos E., Papadopoulos C. I., Piston ring performance in two-stroke marine diesel engines: effect of hydrophobicity and artificial surface texturing on power efficiency.
Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology — 2018. doi
Fouflias D., Charitopoulos A., Papadopoulos C. I., Kaiktsis L., Thermohydrodynamic analysis and tribological optimization of a curved pocket thrust bearing.
Tribology International 110, 291–306 — 2017. doi
Zouzoulas V., Papadopoulos C. I., 3-D thermohydrodynamic analysis of textured, grooved, pocketed and hydrophobic pivoted-pad thrust bearings.
Tribology International 110, 426–440 — 2016. doi
Papadopoulos C. I., Kaiktsis L., Fillon M., Computational fluid dynamics thermohydrodynamic analysis of three-dimensional sector-pad thrust bearings with rectangular dimples.
ASME Journal of Tribology 136, 011702-1–11 — 2014.
Charitopoulos A. G., Efstathiou E., Papadopoulos C. I., Nikolakopoulos P. G., Kaiktsis L., Effects of manufacturing errors on tribological characteristics of 3-D textured micro-thrust bearings.
CIRP Journal of Manufacturing Science and Technology 6 (2), 128–142 — 2013.
Papadopoulos C. I., Nikolakopoulos P. G., Kaiktsis L., Characterization of stiffness and damping in textured sector-pad micro-thrust bearings using computational fluid dynamics.
ASME Journal of Engineering for Gas Turbines and Power 134 — 2012.
Papadopoulos C. I., Development of an optimised, standard-compliant procedure to calculate sound transmission loss: numerical measurements.
Applied Acoustics 64 (11), 1069–1085 — 2003.
Papadopoulos C. I., Development of an optimised, standard-compliant procedure to calculate sound transmission loss: design of transmission rooms.
Applied Acoustics 63 (9), 1003–1029 — 2002.
Kyrtatos N. P., Tzanos E. I., Papadopoulos C. I., Diesel engine control optimization for transient operation with lean/rich switches.
International Journal of Engine Research 4 (3), 219–231 — 2003.
Papadopoulos C. I., Redistribution of the low frequency acoustic modes of a room: a finite element-based optimisation method.
Applied Acoustics 62 (11), 1267–1285 — 2001.
Selected conference papers
Presented at the field’s principal meetings, often the first public appearance of the group’s methods.
- Charitopoulos A., Fillon M., Papadopoulos C. I., Computational investigation of the pressure build-up mechanism in parallel-surface fixed-pad thrust bearings — 7th World Tribology Congress (WTC 2022), Lyon, France.
- Skaltsas D., Rossopoulos G. N., Papadopoulos C. I., Bearings with stochastic roughness on the stator and the rotor: calculation of higher-order moments of operational parameters — WTC 2022, Lyon.
- Rossopoulos G. N., Papadopoulos C. I., A methodology to classify acceptable operating conditions for heavily misaligned marine journal bearings — WTC 2022, Lyon.
- Fillon M., Charitopoulos A., Papadopoulos C. I., Influence of deformations and geometrical defects on hydrodynamic textured or untextured surface sliding bearing performance — K-Trib 2020, Seoul, South Korea.
- Moschopoulos M., Rossopoulos G. N., Papadopoulos C. I., Experimental journal bearing loading condition identification using machine learning — Coastal, Offshore and Ocean Engineering Conference 2019, GUT Gdansk, Poland.
- Charitopoulos A., Fillon M., Papadopoulos C. I., Numerical investigation on load carrying capacity of parallel and quasi-parallel slider bearings operating under TEHD regime — 45th Leeds–Lyon Symposium on Tribology, 2018.
- Charitopoulos A., Fillon M., Papadopoulos C. I., Effect of manufacturing tolerances on the load capacity of parallel sliders operating under TEHD regime — STLE Tribology Frontiers Conference, Chicago, 2018.
- Charitopoulos A., Papadopoulos C. I., Design optimization of a turbocharger thrust bearing using a CFD-based THD computational approach — 16th EDF/Pprime Workshop, Futuroscope, 2017.
- Papadopoulos C. I., Henry Y., Bouyer J., Kaiktsis L., Fillon M., Sector-pad thrust bearings with rectangular dimples: comparison between experiments and CFD thermohydrodynamic simulations — World Tribology Congress 2013, Turin, Italy.
- Papadopoulos C. I., Nikolakopoulos P. G., Kaiktsis L., Evolutionary optimization of micro-thrust bearings with periodic partial trapezoidal surface texturing — ASME Turbo Expo 2010, Glasgow (ASME Best Paper Award).
- Kyrtatos N. P., Tzanos E. I., Xiros N. I., Papadopoulos C. I. et al., Shipboard NOx emissions estimation using an online process-model-based virtual measuring instrument — 24th CIMAC World Congress, Kyoto, 2004.
Diploma theses
Selected diploma theses supervised in the School of Naval Architecture and Marine Engineering — several of them awarded best-thesis prizes by the professional institutions.
| Author | Diploma thesis | Date | Distinction |
|---|---|---|---|
| Siamantas Stavros | Elastic shaft alignment of a container vessel | March 2018 | SNAME Best Diploma Thesis Award 2018 |
| Rossopoulos Georgios | Tribological study of the stern-tube bearing of marine vessels | March 2018 | — |
| Antonopoulos Spyros | Development of a piston ring pack model for internal combustion engines | September 2017 | — |
| Zoupas Loukas | The influence of manufacturing tolerances on the performance of fluid film thrust bearings | June 2017 | — |
| Nanopoulos Sotiris | Development of optimization software using evolutionary algorithms — applications in optimal machine design | September 2016 | RINA Best Diploma Thesis Award 2016 |
| Foskolos Nikolas | Development of high-performance parallel algorithms for hydrodynamic lubrication problems | March 2016 | IMarEST Best Diploma Thesis Award 2016 |
| Charitopoulos Anastasios | Thermohydrodynamic analysis of thrust bearings using computational fluid dynamics | March 2016 | — |
| Kontaras Georgios-Nektarios | Computational and experimental study of journal bearings | June 2016 | — |
| Vlachos Orestis | Elastic shaft alignment | June 2015 | — |
| Zouzoulas Vasileios | Thermohydrodynamic analysis of tilting-pad thrust bearings with artificial surface texturing | March 2015 | RINA Best Diploma Thesis Award 2015 |
| Koukoulopoulos Eleftherios | Software development for the solution of hydrodynamic lubrication problems in piston rings of two-stroke marine diesel engines | March 2014 | RINA Best Diploma Thesis Award 2014 |
| Raptis Leonidas | Software development for the solution of hydrodynamic lubrication problems in main bearings of two-stroke marine diesel engines | March 2014 | — |
| Stamatelopoulos Dimitrios | Experimental study of hydrodynamic lubrication in journal bearings | July 2013 | — |
Distinctions & awards
Recognition of the group’s work by international societies and by the Greek state.
- ASME Best Paper Award (Microturbines & Small Turbomachinery Committee) for Evolutionary optimization of micro-thrust bearings with periodic partial trapezoidal surface texturing, paper GT2010-22495, ASME Turbo Expo 2010, Glasgow, UK.
- “ARISTEIA” (Excellence) Scientific Award by the Greek Ministry of Education, December 2012, with funded projects in the framework of the “Excellence” call of the Greek Secretariat for Research and Technology.
- Three Best Diploma Thesis awards in the School of Naval Architecture & Marine Engineering, plus further awards to supervised theses by RINA, SNAME and IMarEST.
- Invited lectures and seminars, and organisation of conferences and workshops.
