Publications

Articles in Journals


Molin, B., Kimmoun, O., Remya, F., Chatjigeorgiou, I.K.: “Third-order effects in wave–body interaction”, European Journal of Mechanics – B/Fluids, Vol. 47, 2014, 132 – 144, http://dx.doi.org/10.1016/j.euromechflu.2013.11.009

Chatjigeorgiou, I.K., Miloh, T.: “Hydrodynamics of submerged prolate spheroids advancing under waves: Wave diffraction with forward speed”, Journal of Fluids and Structures, 2014

Chatjigeorgiou, I.K., Miloh, T.: “Wave scattering of spheroidal bodies below a free surface”, Journal of Ship Research, 2013, 57(3), 141 – 154

Chatjigeorgiou, I.K.: “The hydrodynamics of arrays of truncated elliptical cylinders”, European Journal of Mechanics – B/Fluids, 2013, 37, 153 – 164.

Mazarakos, T. P., Mavrakos, S.A. “Wave-Current interaction on a vertical truncated cylinder floating in finite depth waters”, Journal of Engineering for the Maritime Environment, 2012, http://dx.doi.org/10.1177/1475090212454096

Fonseca, N., Pessoa, J., Mavrakos, S.A., Le Boullec, M. “Experimental and numerical investigation of the slowly varying wave exciting drift forces on a restrained body in bi-chromatic waves”, Ocean Engineering, 38, 2011, p. 2000-2014.

Chatjigeorgiou, I.K.: “Three dimensional wave scattering by arrays of elliptical and circular cylinders”, Ocean Engineering, 2011, 38(11), 1480-1494, http://dx.doi.org/10.1016/j.oceaneng.2011.07.001

Chatjigeorgiou, I.K., Mavrakos, S.A. “The analytic form of Green's function in elliptic coordinates for the hydrodynamic diffraction by an elliptical cylinder", Journal of Engineering Mathematics, 2011, http://dx.doi.org/10.1007/s10665-011-9464-6

Chatjigeorgiou, I.K., Mavrakos, S.A. “An analytical approach for the solution of the hydrodynamic diffraction by arrays of elliptical cylinders”, Applied Ocean Research, 32, 2010, 242 - 251.

Mavrakos, S.A., Chatjigeorgiou, I.K. “Second-order hydrodynamic effects on an arrangement of two concentric truncated vertical cylinders”, Marine Structures, 22(3), 2009, 545 – 575.

Chatjigeorgiou, I.K., Mavrakos, S.A. “Second-order sum-frequency wave diffraction by a truncated surface-piercing cylinder in bi-chromatic waves”, Journal of Marine Science and Technology, 12(4), 2007, 218 – 231.

Mavrakos, S.A., Chatjigeorgiou, I.K. “Second – Order Diffraction by a Bottom – Seated Compound Cylinder”, Journal of Fluids and Structures, 22(3), 2006.

Chatjigeorgiou, I. K., Mavrakos, S.A. “Semi-Analytical Formulation of the Second – Order Wave Diffraction by a Truncated – Compound Surface – Piercing Cylinder”, Journal of Ship Technology Research (Schiffstechnik), 53, 2006, 26 – 38.

Mavrakos, S.A. “Hydrodynamic coefficients in heave of two concentric surface-piercing truncated circular cylinders”, Applied Ocean Research, 26 (3-4), 2004, 84-97.

Mavrakos, S.A., “Hydrodynamic characteristics of floating toroidal bodies”, Ocean Engineering, 24(4), 1997, 381-399.

Mavrakos, S.A., “Hydrodynamic coefficients for groups of interacting vertical axisymmetric bodies”, Ocean Engineering, 18(5), 1991, 485-515.

Mavrakos, S.A., “The vertical drift force and pitch moment on axisymmetric bodies in regular waves”, Applied Ocean Research, 1988, 10(4), 207-218.

Mavrakos, S.A., “Hydrodynamic Coefficients for a thick-walled bottomless cylindrical body floating in water of finite depth”, Ocean Engineering, 1988, 15(3), 213-229.

Mavrakos, S.A., Koumoutsakos, P., “Hydrodynamic interaction among vertical axisymmetric bodies restrained in waves”, Applied Ocean Research, 9(3), 1987, 128-140.

Kokkinowrachos, K., Mavrakos, S.A., Asorakos, S., “Behavior of vertical bodies of revolution in waves”, Ocean Engineering, 13(6), 1986, 505-538.

Mavrakos, S.A., “Wave loads on a stationary floating bottomless cylindrical body with finite wall thickness”, Applied Ocean Research, 7(4), 1985, 213-224. 

Mavrakos, S.A., Konispoliatis, D., “Hydrodynamics of a free floating vertical axisymmetric oscillating water column device”, Journal of Applied Mathematics, Special issue in "Mathematical Modeling of Marine Structures", Volume 2012, Article ID 142850, http://dx.doi.org/10.1155/2012/142850

Mavrakos, S.A., Katsaounis, G., “Effects of floater’s Hydrodynamics on the performance of tightly moored wave energy converters”, Journal IET Renewable Power Generation, 4(6), 2010, 531 – 544, http://dx.doi.org/10.1049/iet-rpg.2009.0191

Mavrakos, S.A., McIver, P., “Comparison of Methods for computing hydrodynamic characteristics of arrays of wave power devices”, Applied Ocean Research, 19, 1997, 283-291.

Mavrakos, S.A., Kalofonos, A., “Optimum power absorption by arrays of interacting vertical axisymmetric wave-energy devices”, Journal of Offshore Mechanics and Arctic Engineering, 119, 1997, 244 – 251. 


Chatjigeorgiou, I.K.: “Second – order nonlinear dynamics of catenary pipelines: A frequency domain approach”, Computers and Structures, 2013(7), 1- 14.

Chatjigeorgiou, I.K.: “Numerical simulation of the chaotic lateral vibrations of long rotating beams”, Applied Mathematics and Computation, 2013, 219(10), 5592-5612.

Chatjigeorgiou, I.K.: “Reduced – order nonlinear approximation of catenary risers dynamics using frequency domain identification”, Proceedings of the Institution of Mechanical Engineers, Part M Journal of Engineering for the maritime environment, 2012.

Chatjigeorgiou, I.K.: “Parametric instabilities in the out-of-plane dynamics of catenary-shaped slender structures transporting fluids”, Proceedings of the Institution of Mechanical Engineers, Part M Journal of Engineering for the maritime environment, 2012.

Larsen, C.M., Troesch, A., Pesce, C.P., Chatjigeorgiou, I.K.: “Mathematical Modeling of Marine structures”, Journal of Applied Mathematics, 2012, Special Issue.

Chatjigeorgiou, I.K.: “On the effect of internal flow on vibrating catenary risers in three dimensions”, Engineering Structures, 2010, 32(10), 3313 – 3329.

Chatjigeorgiou, I.K.: “Linear out-of-plane dynamics of catenary risers”, Proceedings of the Institution of Mechanical Engineers, Part M Journal of Engineering for the maritime environment, 2010, 224(1), 13 - 27.

Chatjigeorgiou, I.K.: “Three dimensional nonlinear dynamics of submerged, extensible catenary pipes conveying fluid and subjected to end-imposed excitations”, International Journal of Non-Linear Mechanics, 2010, 45(7), 667-680, http://dx.doi.org/10.1016/j.ijnonlinmec.2010.04.001.

Chatjigeorgiou, I.K.: “Solution of the Boundary Layer Problems for Calculating the Natural Modes of Riser-Type Slender Structures”, Journal of Offshore Mechanics and Arctic Engineering-transactions of The ASME, 2008.

Chatjigeorgiou, I.K.: “A finite differences formulation for the linear and nonlinear dynamics of 2D catenary risers”, Ocean Engineering, 2008, 35(7), 616 – 636, http://dx.doi.org/10.1016/j.oceaneng.2008.01.006

Chatjigeorgiou, I.K.: “Application of the WKB method to catenary-shaped slender structures”, Mathematical and Computer Modelling, 2008, 48(1-2), 249 – 257. http://dx.doi.org/10.1016/j.mcm.2007.08.012

Xiros, N.I., Chatjigeorgiou, I.K.: “Nonlinear Identification and Input-Output Representation of the Modal Dynamics of Marine Slender Structures”, Journal of Offshore Mechanics and Arctic Engineering-transactions of The ASME, 2007.

Chatjigeorgiou, I.K.: “A solution for the linearized dynamic problem of catenary risers”, Journal of Ship Technology Research, Schiffstechnik, 2006, 53(4):150-158.

Chatjigeorgiou, I.K. and Mavrakos, S.A., “Nonlinear resonances of parametrically excited risers-numerical and analytic investigation for Ω=2ω1”, Journal of Computers and Structures, 2005, 83(8-9), 560 – 573.

Chatjigeorgiou, I.K., Mavrakos, S.A., “Coupling Instabilities for Marine Slender Structures with Applications to Elastic Risers and Cables”, Journal of Ship Technology Research, Schiffstechnik, 2005, 52(1), 2 – 13.

Chatjigeorgiou, I.K., Mavrakos, S.A., “Bounded and Un-bounded Coupled Transverse Response of Parametrically Excited Vertical Marine Risers and Tensioned Cable Legs for Marine Applications”, Applied Ocean Research, 2003, 24(6), pp. 341-354.

Chatjigeorgiou, I.K., Mavrakos, S.A., “Dynamic Behavior of a Marine Cable Under Snap-Loading Conditions”, Journal of Ship Technology Research, Schiffstechnik, 48, 2001, pp.171-180.

Chatjigeorgiou, I.K., Mavrakos, S.A., “Comparative evaluation of numerical schemes for 2D mooring dynamics”, International Journal of Offshore and Polar Engineering. 10(4), 2000, 301-309.
Brown, D.T., Mavrakos, S.A., “Comparative Study on Mooring Line Dynamic Loading”, Marine Structures, 12 (3), 1999, 131-151.

Mavrakos, S.A., Chatjigeorgiou, J., “Dynamic behavior of deep water mooring lines with submerged buoys”, Computers and Structures, 64 (1 – 4), 1997, 819 – 835.

Grosenbauch, M.A., Mavrakos, S.A., “Design of oceanographic surface moorings for harsh-weather environments”, Transactions S.N.A.M.E., 103, 1995.

Mavrakos, S.A., Papazoglou, V.J., Triantafyllou, M.S., Chatjigeorgiou, J., “Deep Water Mooring Dynamics”, Marine Structures, 9, 1996, 181-209.

Papazoglou, V.J., Mavrakos, S.Α. and Triantafyllou, M., “Nonlinear Cable Response and Model Testing in Water”, Journal of Sound and Vibration, 140(1), 1990, 103-115. 

Publications in peer – reviewed conferences’ proceedings

Chatjigeorgiou, I.K., Dassios, G., Mavrakos, S.A., Miloh, T.: “A semi-analytic formulation for the hydrodynamic diffraction by submerged ellipsoids”, Proceedings, 29th Intl Workshop on Water Waves and Floating Bodies, Osaka (Japan), March 30 – April 02, 2014.

Chatjigeorgiou, I.K., Mavrakos, S.A., Miloh, T.: “On the wave resistance of an immersed prolate spheroid in infinite water depth“, Proceedings, 28th International Workshop on Water Waves and Floating Bodies (IWWWFB2013), April 7 - 10, 2013, L’ Isle sur la Sorgue, France.

Chatjigeorgiou, I.K., Mavrakos, S.A., Mazarakos, T.P.: “Exciting wave forces on submerged prolate spheroidal bodies in infinite water depth”, Proceedings, 11th International Conference on the Stability of Ships and Ocean Vehicles”, 23-28 September, 2012, Athens, Greece.

Tzabiras, G., Katsaounis, G.M., Papakonstantinou, V., Mavrakos, S.A.: “Viscous Flow Calculations around transverse sections of a floating LNG storage terminal in heave and roll motions”, Proceedings, 22nd International Offshore (Ocean) and Polar Engineering Conference (ISOPE 2012), June 17-22, 2012, Rhodes, Greece

Mavrakos, S.A., Chatjigeorgiou, I.K.: “Hydrodynamic exciting forces on immersed prolate spheroids”, Proceedings, 27th International Workshop on Water Waves and Floating Bodies (IWWWFB2012), April 22 - 25, 2012, Copenhagen, Denmark.

Chatjigeorgiou, I.K., Molin, B.: “Wave run-up on a vertical plate in an infinite wave field”, 27th International Workshop on Water Waves and Floating Bodies (IWWWFB2012), April 22 - 25, 2012, Copenhagen, Denmark.

Clauss, G.F., Mavrakos, S.A., Sprenger, F., Testa, D.: “Hydrodynamic Considerations for FLNG Concepts”, Proceedings, 30th International Conference on Ocean, Offshore and Arctic Engineering (OMAE2011), Paper No: OMAE2011-50132, Rotterdam, The Netherlands, 19 - 24 June 2011.

Mavrakos S. A., Chatjigeorgiou I. K., Mazarakos T. P., Konispoliatis D., Maron A.: “Hydrodynamic forces and wave run-up on concentric vertical cylinders forming piston-like arrangements”, 26th International Workshop on Water Waves and Floating Bodies (IWWWFB2011), April 17-20, 2011, Athens, Greece.

Mavrakos, S.A., Konispoliatis, D., Mazarakos, Th., “Hydrodynamics of Concentric Cylinders’, Proceedings, 5th International Workshop on Water Waves, 30 Sept. - 1 Oct. 2010, Berlin, Germany.

Mavrakos, S.A., Mazarakos, Th., Konispoliatis, D., “First- and second-order hydrodynamic effects and wave run-up on a four cylinder configuration at small forward speed’, Proceedings, 9th HSTAM International Congress on Mechanics, 2010, 12-14 July, Limassol, Cyprus.

Chatjigeorgiou, I.K., Mavrakos, S.A., “The two dimensional Green’s function in elliptic coordinates”, Proceedings, 25th International Workshop on Water Waves and Floating Bodies (IWWWFB2010), 2010, Harbin, China.

Mavrakos, S.A., Mazarakos, Th. “Numerical and experimental investigation of first- and second-order wave loads on a four cylinder configuration at small horizontal drift velocity”, 4th International Workshop on Water Waves, 1-2 October 2009, Berlin, Germany.

Chatjigeorgiou, I.K., Mavrakos, S.A., “Wave elevation between elliptical structures”, Proceedings, 28th International Conference on Ocean, Offshore and Arctic Engineering (OMAE2009), Paper No: OMAE2009-80187, 2009, Honolulu, Hawaii, 31 May – 5 June, USA.

Chatjigeorgiou, I.K., Mavrakos, S.A., “Hydrodynamic diffraction by multiple elliptical cylinders”, Proceedings, 24th International Workshop on Water Waves and Floating Bodies (IWWWFB2009), 2009, Zelenogorsk, Russia.

Chatjigeorgiou, I.K., Mavrakos, S.A., “The second-order diffraction – radiation problem for a piston – like arrangement”, Proceedings, 8th International Conference on Hydrodynamics, pp. 381 – 389, 2008, Nantes, France.

Bourma, P., Thanos, I., Chatjigeorgiou, I.K., Mavrakos, S.A., “Slowly – varying motions of two interconnected floating structures considered as a two degree of freedom oscillator”, 8th National Symposium on Theoretical and Applied Mechanics, 2007, Patra, Greece, 223 - 230.

Chatjigeorgiou, I.K., Mazarakos, T.P., Mavrakos, S.A., “First - order hydrodynamic loading and wave drift damping by a bottom- seated cylinder in a wave-current co existing field”, Proceedings, 8th National Symposium on Theoretical and Applied Mechanics, 2007, Patra, Greece, 215 – 222.

Chatjigeorgiou, I.K., Mavrakos, S.A., “Second-order hydrodynamic resonances on a compound truncated cylinder floating near the free surface”, 26th International Conference on Offshore Mechanics and Arctic Engineering (OMAE2007), June 10 -15, 2007, San Diego, California, USA.

Mavrakos, S.A., Chatjigeorgiou, I.K., Mazarakos, T., Thanos, I. “Second – order wave drift damping in hydrodynamically interacting large bodies”, Proceedings, International Conference of Offshore and Polar Engineering (ISOPE 2007), 2007, Lisbon, Portugal, pp. 2142-2149.

Chatjigeorgiou, I.K., Mavrakos, S.A. “A semi-analytical formulation for the wave-current interaction problem with a vertical bottom-seated cylinder including square velocity terms”, 22nd International Workshop on Water Waves and Floating Bodies, Plitvice, Croatia, 2007

Mavrakos, S.A., “Computational Methods for Fixed and Floating Structures and Mooring and Cable Systems”, Chapters 3.1 and 3.2 in Loads’ Technical Committee Report, Proceedings, 19th International Ship and Offshore Structures Congress (ISSC’06), Southampton, U.K. 2006.

Chatjigeorgiou, I.K., Mavrakos, S.A., Xiros, N., ‘Wave-current interaction with a vertical cylinder in cross flow: a semi-analytical approach”, Proceedings, 8th International Conference on Computational Structures Technology, Las Palmas de Gran Canaria, 2006, Spain

Mavrakos, S.A., Chatjigeorgiou, I.K. “Second-order diffraction by two concentric truncated cylinders, Proceedings, 21st International Workshop on Water Waves and Floating Bodies, Loughborough, U.K. 2006.

Mavrakos, S.A. “Hydrodynamic characteristics of two concentric surface – piecing floating circular cylinders”, Proceedings, 11th Int Maritime Association of the Mediterranean Conf, IMAM 2005, Lisboa, Portugal.

Chatjigeorgiou, Ι.Κ., and Mavrakos, S.A. “Second-order diffraction by a surface piercing truncated compound cylinder”, Proceedings 11th Int. Maritime Association of the Mediterranean Conference, IMAM 2005, Lisbon, Portugal.

Mavrakos, S.A., Chatjigeorgiou, I.K. and Lentziou, D. “Wave Run-up and Second-order Wave Forces on a Truncated Circular Cylinder due to Monochromatic Waves”, Proceedings, 24th Int. Conf Offshore Mechanics and Arctic Engineering (OMAE 2005), Paper No. 67104, Halkidiki, Greece, 2005.

Mavrakos, S.A., Chatjigeorgiou, I.K., Grigoropoulos, G. and Maron A., “Scale Experiments for the Measurement of Motions and Wave Run-Up on a TLP Model, Subjected to Monochromatic Waves”, Proceedings, International Conference of Offshore and Polar Engineering (ISOPE 2004), 2004, Toulon, France.

Mavrakos, S.A., “Wave loads on large-volume offshore structures”, Proceedings, 14th International Ship and Offshore Structures Congress (ISSC’97), Nagasaki, Japan, 2000, Vol. 1.

Mavrakos, S.A., “Wave loads on large-volume offshore structures”, Proceedings, 13th International Ship and Offshore Structures Congress (ISSC’97), Trondheim, Norway, 1997, Vol. 1, 313-324.

Grigoropoulos, Gr., Mavrakos, S.A., Loukakis, T., “On the wave breaking efficiency of an array of floating vertical cylinders”, Proceedings, 6th International Symposium on Offshore and Polar Engineering (ISOPE’96), Los Angeles, 1996, Vol. III, 587-594.

Mavrakos, S.A., “Diffraction loads on arrays of truncated hollow cylinders”, Proceedings, 1st International Conference on Marine Industry (MARIND’ 96), Varna Bulgaria, 1996, Vol. III, 91-105.

Mavrakos, S.A. “The scattered wave field by vertical cylinders in a narrow tank”, Proceedings, 4th National Symposium on Theoretical and Applied Mechanics, Xanthi, Greece, 1995, Vol II, 819-829.

Mavrakos, S.A., “Mean drift loads on multiple vertical axisymmetric bodies in regular waves”, Proceedings, 5th International Offshore and Polar Engineering Conference (ISOPE’95), The Hage, The Netherlands, 1995, Vol. 3, 547-555.

Mavrakos, S.A., Grigoropoulos, G., “Numerical and experimental prediction of wave loads on vertical cylinders”, Proceedings, 5th International Conference on Hydraulic Engineering Software (HYDROSOFT’94), Computational Mechanics Publications, Porto Carras, Greece, 1994, Vol. 2, 115-122.

Mavrakos, S.A., “Hydrodynamic characteristics for groups of interacting axisymmetric bodies submerged near the sea surface or the sea bed”, Proceedings, 3rd International Offshore and Polar Engineering Conference (ISOPE’93), Singapore, June 1993.

Mavrakos, S.A., Peponis, V., “Sum- and difference frequency loads on axisymmetric bodies restrained in irregular waves”, Proceedings, 2nd International Offshore and Polar Engineering Conference (ISOPE’92), San Francisco, U.S.A., June 1992, Vol. III, 546-553.

Mavrakos, S.A., Peponis, V., “Second-order slowly-varying forces on axisymmetric bodies restrained in irregular waves”, Proceedings, 3rd National Symposium on Theoretical and Applied Mechanics, Athens, Greece, June 1992.

Mavrakos, S.A., Peponis, V., “Hydrodynamic characteristics of single and multi-component large structures floating in waters of variable depth”, 5th IMAEM International Congress on Marine Technology, Athens, May 1990, 267-271.

Mavrakos, S.A., Bardis, L., Peponis, V., “A hybrid integral equation method for the wave diffraction around large bodies”, Proceedings, 2nd National Symposium on Theoretical and Applied Mechanics, Athens, Greece, June 1989.

Mavrakos, S.A., Bardis, L., Balaskas, C., “Horizontal and vertical drift forces on axisymmetric bodies in regular waves”, Proceedings, 4th I.M.A.E.M. International Congress on Marine Technology, Varna, Bulgaria, June 1987, 27.1-27.8.

Mavrakos, S.A., Bardis, L., “ Hydrodynamic analysis of floating solar ponds’, Proceedings, Marine Computers’ 86, The Society of Naval Architects and Marine Engineers (S.N.A.M.E.), MIT, Cambridge, U.S.A., 1986, 24.1-24.12.

Bardis, L., Mavrakos, S.A., “Hydrodynamic analysis of large offshore units”, Proceedings, IIIrd I.M.A.E.M. International Congress on Marine Technology, Athens, Greece, June 1984, 505-513.

Κokkinowrachos, K., Bardis, L., Mavrakos, S.A., “Drift forces on one and two-body structures in waves”, Proceedings, 3rd International Conference on the Behaviour of Offshore Structures (BOSS’82), Hemisphere Publishing Co., New York, 1982, Vol. 1, 467-489.

Mavrakos, S.A., “Computation of wave – induced loads in multi – body interactions, body – wave – current interactions and cables, risers and moored structures”, Chapters 2.1.3, 2.1.4 and 4.1 in Loads’ Technical Committee Report, Proceedings, 20th International Ship and Offshore Structures Congress (ISSC’09), Seoul, Korea. 2009. 

Hydrodynamics and power absorption characteristics of free floating and moored arrays of OWC’s devices, Proceedings, 33rd International Conference Ocean, Offshore and Arctic Engineering (OMAE2014), June 8 - 13, 2014, San Francisco, USA.

Konispoliatis, D.N., Mavrakos, S.A.: “Mean drift loads on arrays of free floating axisymmetric OWC’s devices consisting of concentric cylinders”, Proceedings, 29th Intl Workshop on Water Waves and Floating Bodies, Osaka (Japan), March 30 – April 02, 2014.

Konispoliatis, D.N., Mavrakos, S.A.: “Hydrodynamics of arrays of OWC’s devices consisting of concentric cylinders restrained in waves”, Proceedings, 10th European Wave and Tidal Energy Conference (EWTEC2013), 2 - 5 September 2013, Aalborg, Denmark.

Konispoliatis, D.N., Mavrakos, S.A.: “Hydrodynamics of multiple vertical axisymmetric OWC’s devices restrained in waves”, Proceedings, 32nd International Conference Ocean, Offshore and Arctic Engineering (OMAE2013), June 9 - 14, 2013, Nantes, France.

Konispoliatis, D.N., Mavrakos, S.A.: “Hydrodynamic interactions among multiple cylindrical OWC’s devices restrained in regular waves”, Proceedings, 28th International Workshop on Water Waves and Floating Bodies (IWWWFB2013), April 7 - 10, 2013, L’ Isle sur la Sorgue, France.

Mavrakos, S.A., Konispoliatis, D. N.: “Hydrodynamic Analysis of a vertical axisymmetric oscillating water column device floating in finite depth water”, Proceedings, 31st International Conference Ocean, Offshore and Arctic Engineering (OMAE2012), July 1-6, 2012, Rio de Janeiro, Brazil.

Mavrakos, S.A., Katsaounis, G.M., Kladas, A., Kimoulakis, N.: “Numerical and experimental investigation of performance of heaving WEC’s coupled with DC generators”, Proceedings, 9th European Wave and Tidal Energy Conference, 5-9 September 2011, Southampton, U.K.

Mavrakos, S.A., Konispoliatis, D.: “Hydrodynamics of a floating oscillating water column device”, Proceedings, 14th Congress of the International Maritime Association of the Mediterranean, September 13-16, 2011, Genoa, Italy.

Mavrakos, S.A., Katsaounis, G., “Parametric evaluation of the performance characteristics of tightly moored wave energy converters for several floaters’ geometries”, Proceedings, 8th European Wave and Tidal Energy Conference (EWTEC 2009), September 2009, Uppsala, Sweden.

Mavrakos, S.A., Katsaounis, G. Apostolides, M., “Effect of floaters’ geometry on the performance characteristics of tightly moored wave energy converters”, Proceedings, 28th International Conference on Ocean, Offshore and Arctic Engineering (OMAE2009), Paper No: OMAE2009-80133, 2009, Honolulu, Hawaii, 31 May – 5 June, USA.

Mavrakos, S.A., Katsaounis, G.M., Chatjigeorgiou, I.K., “Performance characteristics of tightly moored piston-like wave energy converter under first- and second-order wave loads”, Proceedings, 27th Offshore Mechanics and Arctic Engineering Symposium (OMAE 2008), 2008, Estoril, Portugal.

Mavrakos, S.A., Katsaounis, G., Chatjigeorgiou, I.K., “Performance Characteristics of tightly moored wave energy converters under first- and second-order wave loads”, Proceedings, 7th European Wave and Tidal Energy Conference, 2007, Porto, Portugal.

Mavrakos, S.A. and Katsaounis, G.: “Parametric Evaluation of the Performance Characteristics of Tightly Moored Wave Energy Converters”, Proceedings, 24th Offshore Mechanics and Arctic Engineering Symposium (OMAE 2005), Halkidiki, Greece.

Mavrakos, S.A., Katsaounis, G., Nielsen, K., Lemonis, G. “Numerical Performance Investigation of an Array of Heaving Wave Power Converters in Front of a Vertical Breakwater”, Proceedings, International Conference of Offshore and Polar Engineering (ISOPE 2004), 2004, Toulon, France.
Beattie, W.C., Wright, A., Thompson, A., Mavrakos, S.A., Lemonis, G., Nielsen, K., Holmes, B.,

Stasinopoulos, A. “Performance considerations in a power take – off unit based on a non – linear load”, Proceedings, 5th European Wave Energy Conference, 2003, Cork, Ireland.

Mavrakos, S.A., Kalofonos, A., “Optimum power absorption by arrays of interacting vertical axisymmetric wave-energy devices”, Proceedings, 15th International Conference on Offshore Mechanics and Arctic Engineering (OMAE’ 96), Florence, 1996, Vol. I, Part B, 133 - 141.

McIver, P., Mavrakos, S.A., Singh, G., “Wave-Power absorption by arrays of devices”, Proceedings, 2nd European Wave Power Conference, Lisbon, Portugal, 1995. 

Chatjigeorgiou, I.K., Kazangas, D.C., Xiros, N.: “A frequency – domain, finite – order representation of a catenary riser’s dominant nonlinear dynamics, Proceedings, 32nd Offshore Mechanics and Arctic Engineering (OMAE2013), 2013, Nantes, France.

Katifeoglou, S.A., Chatjigeorgiou, I.K., Mavrakos, S.A.: “Effects of fully developed turbulent internal flow on marine risers’ dynamics”, Proceedings, 22nd International Offshore (Ocean) and Polar Engineering Conference (ISOPE 2012), 17-22 Rhodes, Greece.

Chatjigeorgiou, I.K., Katifeoglou, S., Mavrakos, S.A.: “An investigation on the interaction between the seafloor and a vibrating catenary riser conveying fluid”, Mini-Symposium “MS24 Offshore Structures”, 8th International Conference on Structural Dynamics EURODYN 2011

Chatjigeorgiou, I.K., Mavrakos, S.A.: “Buckling behavior of catenary risers conveying fluids”, Proceedings, 14th Congress of the International Maritime Association of the Mediterranean (IMAM2011), September 13-16, 2011, Genoa, Italy.

Chatjigeorgiou, I.K., Katifeoglou, S., Sakellariou, M.G., Mavrakos, S.A.: “Interaction of suspended pipelines with sea bottom in deep wtare applications”, Mini-symposium on Nonlinear Dynamics for Engineering Design, 7th European Nonlinear Dynamics Conference (ENOC2011), July 24-29, 2011, Rome, Italy.

Chatjigeorgiou, I.K., Georgiou, I.T.: “ Reduced degrees-of-freedom of the nonlinear dynamics of elastic pipelines for airborne refueling”, Proceedings, International Mechanical Congress and Exposition (IMECE 2011), Denver, Colorado, 2011,

Chatjigeorgiou, I.K., Mavrakos, S.A., “Heave Induced out-of-plane motions on catenary risers”, Proceedings, 13th International Congress of the International Maritime Association of the Mediterranean (IMAM 2009), October 2009, Istanbul, Turkey.

Chatjigeorgiou, I.K., Damy, G., LeBoulluec M.: “Numerical and experimental investigation of the dynamics of catenary risers and the riser-induced-damping phenomenon”, Proc 27th International Conference on Offshore Mechanics and Arctic Engineering, (OMAE 2008), Estoril, Portugal.

Chatjigeorgiou, I.K., Damy, G., LeBoulluec, M: “Exprerimental investigation for the dynamic behaviour of a catenary riser under top imposed excitations”, Proc. 7th International Conference on Cable Dynamics, Vienna, Austria, 2007

Chatjigeorgiou, I.K.: “A numerical investigation on the risers induced damping phenomenon”, Proc. 12th International Conference of the Maritime Association of the Mediterranean Conference (IMAM 2007), Varna, Bulgaria.

Chatjigeorgiou, I.K.: “Tracking parametric instabilities in the dynamic behavior of catenary shaped slender structures”, Proc. EUROMECH Colloquium 483, Geometrically Nonlinear Vibrations of Structures, Porto, Portugal, 2007.

Chatjigeorgiou, I.K., Passano, E., Larsen, C.M.: “Extreme bending moments on long catenary risers due to heave excitation”, Proc. 26th International Conference on Offshore Mechanics and Arctic Engineering, (OMAE 2007), San Diego, 2007

Chatjigeorgiou, I.K., Thanos, I., Bourma, P., Mazarakos, Th. and Mavrakos, S.A. “Mooring System and Motion Response Analysis of a Gas Import Floating Terminal in Operating and Survival Conditions”, Proceedings, 25th International Conference on Offshore Mechanics and Arctic Engineering (OMAE2006), Hamburg, 4 – 9 June 2006, Germany.

Chatjigeorgiou, I.K.: “Solution of the boundary layer problems for calculating the natural modes of riser-type slender structures”, Proceedings, 25th International Conference on Offshore Mechanics and Arctic Engineering (OMAE2006), Hamburg, 4 – 9 June 2006, Germany.

Chatjigeorgiou, I.K., Xiros, N.: “Frequency-domain identification of riser dynamics using complex singular value decomposition for reduced-order spatiotemporal modelling and structural control”, Proc. 8th International Conference on Computational Structures Technology, Las Palmas de Grand Canaria, Spain, 2006.

Chatjigeorgiou, I.K.: “Linear dynamics of catenary risers”, 4th International Conference on Hydroelasticity in Marine Technology, Wuxi, China, 2006.

Chatjigeorgiou, I.K., Xiros, N.: “Black-box modelling for the prediction of nonlinear riser dynamics under combined parametric and lateral excitation using the Volterra-Wiener theory”, Proc 6th European Conference in Structural Dynamics, (EURODYN 2005), Paris, France, 2005.

Chatjigeorgiou, I.K.: “Unstable response of hanging chains near resonance and the effect of damping in marine applications”, Proc 24th International Conference on Offshore Mechanics and Arctic Engineering, (OMAE 2005), Halkidiki, Greece, 2005

Chatjigeorgiou, I.K., Xiros, N.I. and Mavrakos, S.A. “Coupling Contributions and Effect of Mathieu Instabilities in the Dynamic Behavior of Vertical Elastic Cables and Risers”, Proceedings, WSEAS Multiconference, IASME, Corfu, Greece, 2004.

Chatjigeorgiou, Ι.Κ., and Mavrakos, S.A. “Coupled internal resonances of a two-degree of freedom system subjected to weak parametric excitation: Application for vertical slender structures”, Proceedings, HSTAM 2004 Conference, Vol. II, 301-309, Chania, Crete.

Chatjigeorgiou, Ι.Κ., Georgakopoulos, C.G. and Mavrakos, S.A., “Non-linear Dynamics of Vertical Risers under Parametric and Lateral Excitation and Effect of Internal Flow”, Proceedings, 3rd International Conf on Hydroelasticity in Marine Technology, 51-61 Oxford, England, 2003.

Chatjigeorgiou, I.K., Mavrakos, S.A., “Higher order restoring forces for the design of multi-leg mooring arrangements”, Proceedings, 8th International Marine Design Conference (IMDC 2003), Athens, Greece, 2003, Vol. II, pp. 343 - 352.

Mavrakos, S.A., “Recent development in the mooring lines analysis methods”, Proceedings, 15th International Ship and Offshore Structures Congress (ISSC’03), San Diego, U.S.A., 2003.

Chatjigeorgiou, Ι.Κ., Mavrakos, S.A., “An investigation of the non-linear transverse vibrations of parametrically excited vertical marine risers and cables under tension” Proceedings, 21st International Conference on Offshore Mechanics and Arctic Eng, OMAE 2002, Oslo, Norway, 2002, Paper No 28170.

Chatjigeorgiou, Ι.Κ., Mavrakos, S.A., “A Solution to the 2-D Bending Vibration Problem of a Vertical Marine Riser”, Proceedings, International Maritime Association of the Mediterranean Conference (IMAM2002), Paper No. 131, Crete, Greece 2002.

Chatjigeorgiou, Ι.Κ., Mavrakos, S.A., “Dynamic Behavior of a Hanged Cable for Deep Water Applications”, Proceedings, 6th National Congress on Mechanics, HSTAM, Thessaloniki, Greece, 2001, Vol. I, 408-415.

Chatjigeorgiou, I.K., Mavrakos, S.A., “Comparison of Numerical Methods for Predicting the Dynamic Behavior of Mooring Lines”, Proceedings, 9th International Symposium on Offshore and Polar Engineering (ISOPE’99), Brest, France, 1999, Vol. II, 332-339.

Chatjigeorgiou, I.K., Mavrakos, S.A., “Systematic Evaluation of the Mooring Line Induced Damping on Floating Structures”, Proceedings, 5th National Symposium on Theoretical and Applied Mechanics, Ioannina, Greece, Sept. 1998.

Chatjigeorgiou, I.K., Mavrakos, S.A., “Assessment of Bottom Cable Interaction Effects on Mooring Line Dynamics”, Proceedings, 17th International Conference on Offshore Mechanics and Arctic Engineering (OMAE’ 98), Lisbon, 1998, Paper No. 98-355.

Chatjigeorgiou, J.K., Mavrakos, S.A., “Dynamic tension variation along steel mooring lines with attached submerged buoys”, Proceedings, 6th International Maritime Association of Mediterranean (IMAM), Istanbul, Turkey, Nov. 1997.

Chatjigeorgiou, J.K., Mavrakos, S.A., “Nonlinear contributions in the prediction of dynamic tension on mooring lines, for high and low frequencies of excitation”, Accepted for presentation, 7th International Symposium on Offshore and Polar Engineering (ISOPE’97), Honolulu, Hawaii, May 1997.

Mavrakos, S.A., Chatjigeorgiou, J., “Mooring-induced damping on floating structures”, Proceedings, 1st International Conference on Marine Industry (MARIND’ 96), Varna Bulgaria, 1996, Vol. II, 365-378.

Mavrakos, S.A., Chatjigeorgiou, J., “Dynamics of mooring lines for deep water applications”, Proceedings, 2nd International Symposium on Computational Structures Technology (CST’94), CIVIL - COMP Ltd Publ., Athens, Greece, 1994, 149-157.

Mavrakos, S.A., “Global structural analysis models for mooring lines”, Proceedings, 12th International Ship and Offshore Structures Congress (ISSC’94), St. John’s, Canada, 1994, Vol. 2, 313-324.

Mavrakos, S.A., Chatjigeorgiou, J. and Papazoglou, V.J., “Use of Buoys for Dynamic Tension Reduction in Deep Water Mooring Applications”, Proceedings, 7th International Conference on the Behavior of Offshore Structures (BOSS’94), Pergamon, Boston, July 1994, Vol. 2, 417-426.

Mavrakos, S.A., “Mooring lines”, Proceedings, 11th International Ship and Offshore Structures Congress
(ISSC’91), Wuxi, China, 1991, Vol. 2, 292-296.

Mavrakos, S.A., Papazoglou, V.J., Triantafyllou, M.S. and Brando, P., “Experimental and Numerical Study on the Effect of Buoys on Deep Water Mooring Dynamics”, Proceedings, 1st International Offshore and Polar Engineering Conference (ISOPE’91), Edinburgh, U.K., 1991, Vol. II, 243-251.

Papazoglou, V.J., Mavrakos, S.A., Triantafyllou, M.S. and Brando, P., “A Scaling Procedure for Mooring Experiments”, Proceedings, 1st European Offshore Mechanics Symposium (EUROMS’90), Trondheim, Norway, August 1990, 490-498.

Mavrakos, S., Neos, L., Papazoglou, V.J. and Triantafyllou, M., “Systematic Evaluation of the Effect of Submerged Buoys Size and Location on Deep Water Mooring Dynamics”, Proceedings, PRADS’89 Symposium, Varna, Bulgaria, October 1989, Vol. 3, pp. 105.1-105.8.

Mavrakos, S., Papazoglou, V.J., Triantafyllou, M., “An investigation into the feasibility of deep water anchoring systems”, Proceedings, 8th International Conference on Offshore Mechanics and Arctic Engineering (OMAE’ 89), The Hague, Netherlands, 1989, Vol. 1, 683-689. 

Bourma, P., Thanos, I., Mavrakos, S.A.: “Glider design process: starting from the beginning”, 5th EGO Meeting and Glider School, 2011 March 14th – 18th, Gran Canarias, Spain

Bourma, P., Thanos, I., Mavrakos, S.A.: “Research and Development of an autonomous underwater glider: Modeling, Design and Control”, Proceedings, 1st International Workshop on Underwater Vehicles, March 2009, National Center for Marine Research, Anavissos, Greece.  

Tomasicchio, G.R., Armenio, E., D’ Alessandro F., Fonseca, N., Mavrakos, S.A., Penchev, V., Schuettrumpf, H., Voutsinas, S., Kirkegaard, J., Jensen, P. M.: “Design of a 3D physical and numerical experiment on floating off-shore wind turbines”, Proceedings, Intern. Conference on Coastal Engineering (ICCE2012), Santander, Spain, 2012.

Manolas, D., Katsaounis, G., Riziotis, V., Mavrakos, S.A., Voutsinas, S.: “Advanced Hydro-Aero-Elastic Modelling of Floating Wind Turbines”, Proceedings, European Wind Energy Association Conference (EWEA 2011), Brussels, 2011. 

T.H. Soukissian, G. Veldeki, M. Damasiotis, C. Perakis, D. Barkouta, I. Chatjigeorgiou & V. Bougiouri, (2021), "Developing marine renewable energy in the Mediterranean: The case of PELAGOS project", Developments in Renewable Energies Offshore, Guedes Soares (Ed.), Taylor & Francis, UK, pp: 55-64.

Books – Chapter in Books - Monographs

Chatjigeorgiou, I.K. (2018)
Analytical Methods in Marine Hydrodynamics, Cambridge University Press, Cambridge, UK, ISBN 978-131-683-898-3

Chatjigeorgiou, I.K. (2015)
Dynamics of Pipelines Conveying Fluids – Applications in the Marine Environment, e-book: ISBN 978-960-603-085-7 (in Greek). Hellenic Academics Libraries Link, National Technical University of Athens.

Chatjigeorgiou, I.K., Mavrakos, S.A.: “Cable dynamics for marine applications”, Springer Handbook of Ocean Engineering”, ed. By Manhar R. Dhanak and Nikolaos I. Xiros, Part D: Offshore Technologies, (to be published)

Mavrakos, S.A., Chatjigeorgiou, I.K. (Eds): Proceedings of the 26th International Workshop of Water Waves and Floating Bodies (IWWWFB 2011), Athens, 2011, Greece, ISBN 978-960-254-694-9

Chatjigeorgiou, I.K., Mavrakos, S.A., “The 3D nonlinear dynamics of catenary slender structures for marine applications”, IN-TECH Publisher, Vienna, Austria, 2009, ISBN 978-953-7619-61-9, Editor: Todd Evans

Mavrakos, S.A., Chatjigeorgiou, I.K. “Second-order wave induced loads on vertical bodies of revolution”, In: Marine Technology and Engineering, Editors: Carlos G. Soares, Y. Garbatov, N. Fonseca, A. P. Teixeira, CRC Press, Taylor & Francis Group, 2011, ISBN 978-0-415-69808-5, London, U.K., p. 479 – 501

Mavrakos, S.A.: “Floating Infrastructures” (in Greek), Greek Educational Cyclopedia, Technology and Computer Sciences, Publishing Company Ekdotiki Athinon, Athens

Mavrakos, S.A.: “Installations for the marine resources exploitation” (in Greek), Greek Educational Cyclopedia, Technology and Computer Sciences, Publishing Company “Ekdotiki Athinon”, Athens, Vol. 19 (9), 140 – 142.

Mavrakos, S.A., Bernitsas, M. (Eds) : Proceedings of the 24th Interanational Conference on Offshore Mechanics and Arctic Engineering (OMAE2005), Halkidiki, June 2005, Greece.

Mavrakos, S.A., Spyrou, K. (Eds): Proceedings of the 10th International Congress of the Maritime Association of the Mediterranean, I.M.A.M. 2002.

Κokkinowrachos, K., Asorakos, S., Mavrakos, S. A., “Belastungen und Bewegungen grossvolumiger Seebauwerke durch Wellen”, West-deutscher Verlag, Opladen, Germany, 1980, ISBN 3-531-02905-3. 

University textbooks – Notes

Mavrakos, S.A.: «Hydrodynamic Analysis of Floating Structures» (in Greek), School of Naval Architecture and Marine Engineering, National Technical University of Athens, 437 pages, 2003.

Mavrakos, S.A.: “Environmental Conditions and Loading on Marine Structures” (in Greek), Post-Graduate Course on Marine and Ocean Technology and Science, School of Naval Architecture and Marine Engineering, National Technical University of Athens, 224 pages, 2001.

Mavrakos, S.A.: «Hydroelastic response of marine structures» (in Greek), Post-Graduate Course on Marine and Ocean Technology and Science, School of Naval Architecture and Marine Engineering, National Technical University of Athens, 78 pages, 2001.

Mavrakos, S.A: «Dynamics of Marine Structures», (in Greek), School of Naval Architecture and Marine Engineering, National Technical University of Athens, 194 pages, 2000.

Mavrakos, S.A., Chatjigeorgiou, I.K.: «Design of mooring systems for floating structures» (in Greek), School of Naval Architecture and Marine Engineering, National Technical University of Athens, 190 pages, 2000.

Mavrakos, S.A. “Deep Water Moorings: Arrangement, Configuration, Behaviour and Evaluation”, WEGEMT Association, 24th School on Surface Support of Subsea Activities, Glasgow, March 1998.

Mavrakos, S.A. “Small Craft Ports and Marinas”, WEGEMT Association, 25th School on Small Craft Technology, Athens, October, 1997.

Mavrakos, S.A.: “Introduction to the Offshore Structures” (in Greek), University Notes for the Lecture “Introduction to Naval Architecture and Ocean Engineering”, School of Naval Architecture and Marine Engineering, National Technical University of Athens, Athens, 1994

Mavrakos, S.A.: “Mooring Systems”(in Greek), Notes, Educational Seminar on Ocean Engineering organized by the Greek Chamber of Engineers and the Greek Association of Chartered Naval Architects, Athens, November 1989.

Mavrakos, S.A.: “Design environmental conditions and Wave Loads on Offshore Structures”(in Greek), Notes, Educational Seminar on Oil Platforms and other Marine Structures made of Reinforced Concrete, Laboratory of Reinforced Concrete, School of Civil Engineering, National Technical University of Athens, Athens 1988, 66 pages.

Mavrakos, S.A.: “Basics in the Floating Structures Design” (in Greek), Notes, Educational Seminar on Ocean Engineering organized by the Greek Chamber of Engineers and the Greek Association of Chartered Naval Architects, Athens, December 1987.  

Technical Reports

Papadakis, G., Riziotis, V., Voutsinas, S., Mavrakos, S.A.: “Reduced order aeroelastic models” (in Greek), Deliverable D3.2, Program POSEIDON, ARISTEIA 2041, March 2014.

Mazarakos, Th., Mavrakos, S.A.:” Dimensioning and static and dynamic analysis of the mooring system of the multi-purpose floating structure for the offshore wind and wave energy sources exploitation” (in Greek), Deliverable D2.1, Program POSEIDON, ARISTEIA 2041, March 2014.

Papadakis, G., Riziotis, V., Voutsinas, S., Mazarakos, Th., Dimou, D., Mavrakos, S.A.: “Design of the scaled – down W/T” (in Greek), Deliverable D4.1, Program POSEIDON, ARISTEIA 2041, January 2014.

Papadakis, G., Riziotis, V., Voutsinas, S., Mazarakos, Th., Mavrakos, S.A.: “Adjustment of the computational tools” (in Greek), Deliverable D3.1, Program POSEIDON, ARISTEIA 2041, January 2014.

Mazarakos, Th., Grapsas, Th., Mavrakos, S.A.: “Hydrodynamic analysis of the floating supporting structure with the oscillating water column device” (in Greek), Deliverable D2.1, Program POSEIDON, ARISTEIA 2041, January 2014.

Polyzos, S., Dimou, D., Mazarakos, Th., Grapsas, Th., Mavrakos, S.A., Tzabiras, G.: “Design of the experiment and of the experimental set up” (in Greek), Deliverable D4.2, Program POSEIDON, ARISTEIA 2041, December 2013.

Papadakis, G., Riziotis, V., Voutsinas, S.: “Dimensioning and determination of the operating conditions for the W/T” (in Greek), Deliverable D1.3, Program POSEIDON, ARISTEIA 2041, September 2013.

Mazarakos, Th., Dimou, D., Grapsas, Th., Polyzos, S., Tzabiras, G., Mavrakos, S.A.: “Basic design characteristics of the floating supporting structure with its components” (in Greek), Deliverable D1.2, Program POSEIDON, ARISTEIA 2041, September 2013.

Soukissian, T., Andrianopoulos, K., Boukovalas, G: “Environmental design conditions” (in Greek), Deliverable D1.1, Program POSEIDON, ARISTEIA 2041, September 2013.

Tomasicchio, G.R., D’ Alessandro, F., Armenio, E., Wolbring, J., Mavrakos, S.A., Katsaounis, G., Mazarakos, Th., Manolas, D., Fonseca, N., Penchev, V.: “Dynamic response of floating offshore wind turbines under random waves and wind action – Data Storage Report”, HYDRALAB IV, Offshore wave basin, DHI, Rep. No. HyIV – DHI – 01, January 2013

Wolbring, J., Armenio, E., D’ Alessandro, Katsaounis, G.: “Dynamic response of floating offshore wind turbines under random waves and wind action – Data Storage Plan”, HYDRALAB IV, Offshore wave basin, DHI, Rep. No. HyIV – DHI – 01, October 2012.

Mavrakos, S.A.: “Mooring System Analysis for the OC3 Spar Buoy (SB) floating wind turbine concept applicable to the experimental campaign within HYDRALAB IV program in DHI, Program No. HyIV – DHI – 01, June 2012, Laboratory for Floating Structures and Mooring Systems, Rep. No.: LFSMS-6C-2012.

Mavrakos, S.A., Mazarakos, T.P.: “Motions’ response amplitude operators (RAO’s) for the special purpose vessel ATALANTI”, Technical Report to the KREOUSA SHIPPING COMPANY Ltd., Laboratory for Floating Structures and Mooring Systems, Report Nr. LFSMS-5-2012 NTUA, May 2012.

Mavrakos, S.A., Mazarakos, T.P.: “Motions’ response amplitude operators (RAO’s) for the special purpose vessel ASTREA”, Technical Report to the KREOUSA SHIPPING COMPANY Ltd., Laboratory for Floating Structures and Mooring Systems, Report Nr. LFSMS-3-2012 NTUA, April 2012.

Mavrakos, S.A.: “Hydrodynamic analysis of the cable – laying vehicle “ATALANTI” (in Greek), Technical Report to the KREOUSA SHIPPING COMPANY Ltd., Laboratory for Floating Structures and Mooring Systems, NTUA, July 2009.

Mavrakos, S.A.: “Parametric evaluation of the flow field and of the collision energy on the side walls of the Corinth channel during the towing procedure of large cruisers” (in Greek), Technical Report to the “DIORYGA KORINTHOU S.A.”, Laboratory for Floating Structures and Mooring Systems, NTUA, October, 2006.

Mavrakos, S.A., Papanikolaou, A., Thanos, I., Spanos, D., Mourkoyiannis, D., Mazarakos, Th., Bourma, P., Grapsas, Th., Vasiliades, V., Ioannides, M., Christodoulou, K., Argyropoulos, M.: ‘Analysis of experimental data and validation of simulations from model test results, Report 65 – 1873 – NTM – N – TR – 318, Research Project GIFT supported by the EU, Contract No TST4-CT-2004-12404, School of Naval Architecture and Marine Engineering, Division of Marine Structures, NTUA-NTM, March 2006.

Mavrakos, S.A., Thanos, I., Grapsas, Th., Maroglou, D., Triantafyllou, M.S.: “Derivation of output spectrum, including effect of mooring system, power estimation”, Report 65-1873-NTM-M-RE-311, Report 65-1873-NTM-N-TR-315, Research Project GIFT supported by the EU, Contract No TST4-CT-2004-12404, School of Naval Architecture and Marine Engineering, Division of Marine Structures, NTUA-NTM, December 2006.

Mavrakos, S.A., Thanos, I, Grapsas, Th. Christodoulou, K.: “Estimation of transversal Thruster’s Power”, Report 65-1873-NTM-N-TR-315, Research Project GIFT supported by the EU, Contract No TST4-CT-2004-12404, School of Naval Architecture and Marine Engineering, Division of Marine Structures, NTUA-NTM, January 2007.

Mavrakos, S.A., Thanos, I, Bourma, P., Tranoudis, G., Christidoulou, K., Maroglou, D.: “Time domain simulations; calculation of motions and line tensions in operating and survival conditions – Comparison between frequency and time domain numerical predictions”, Report 65-1873-NTM-N-RE-306, Research Project GIFT supported by the EU, Contract No TST4-CT-2004-12404, School of Naval Architecture and Marine Engineering, Division of Marine Structures, NTUA-NTM, January 2007.

Mavrakos, S.A., Thanos, I., Vasiliades, V.: “Coupled Hydro - mechanic Response Analysis in the Time Domain of the Moored LNG terminal: Vessels’ Motions, Line Tensions”, Report 65-1873-NTM-N-TR-314, Research Project GIFT supported by the EU, Contract No TST4-CT-2004-12404, School of Naval Architecture and Marine Engineering, Division of Marine Structures, NTUA-NTM, March 2007.

Mavrakos, S.A., Chatjigeorgiou, I.K., Mazarakos, Th., Bourma, P., Vasiliades, V., Grapsas, Th.: “Dynamic analysis of mooring lines in maximum excursion (mean + first order + low frequency)”, Report 65-1873-NTM-N-RE-303, Research Project GIFT supported by the EU, Contract No TST4-CT-2004-12404, School of Naval Architecture and Marine Engineering, Division of Marine Structures, NTUA-NTM, March 2007.

Mavrakos, S.A., Chatjigeorgiou, I.K., Bourma, P., Mazarakos, Th., Vasiliades, V., Ioannides, M.: “Low frequency motions and damping components: motion’s amplitudes, significant, and maximum values, Report. 65-1873-NTM-N-RE-302, Research Project GIFT supported by the EU, Contract No TST4-CT-2004-12404, School of Naval Architecture and Marine Engineering, Division of Marine Structures, NTUA-NTM, January, 2007.

Mavrakos, S.A., Grapsas, Th., Thanos, I., Ioannides, M.: “First order motions of the moored floating terminal (RAO’s, Spectra, significant, maximum values), Report 65-1873-NTM-N-RE-301, Research Project GIFT supported by the EU, Contract No TST4-CT-2004-12404, School of Naval Architecture and Marine Engineering, Division of Marine Structures, NTUA-NTM, February, 2007.

Mavrakos, S.A., Grapsas, Th., Vasiliades, V.: “De-coupled Motion response Analysis in the Frequency Domain, Mooring Line Loads”, Report 65-1873-NTM-N-TR-313, Research Project GIFT supported by the EU, Contract No TST4-CT-2004-12404, School of Naval Architecture and Marine Engineering, Division of Marine Structures, NTUA-NTM, March 2007.

Chatjigeorgiou, I.K., Mavrakos, S.A. “Static and Dynamic Analysis, Mooring Line Induced Damping, Bottom Line Interaction Effects”, Report 65-1873-NTM-N-TR-312, Research Project GIFT supported by the EU, Contract No TST4-CT-2004-12404, School of Naval Architecture and Marine Engineering, Division of Marine Structures, NTUA-NTM, January 2007.

Mavrakos, S.A., Thanos, I., Bourma, P., “Mean Second Order Wave Loads on GIFT Assembly in Sea Waves” Report no: N° 65-1873-NTM-N-TR-307, Research Project GIFT supported by the EU, Contract No TST4-CT-2004-12404, School of Naval Architecture and Marine Engineering, Division of Marine Structures, NTUA-NTM, July 2006.

Mavrakos, S.A., I. Thanos, P. Bourma: “Spectra of slowly-varying excitation environmental loads (wind, waves), Report”, Report no: N° 65-1873-NTM-N-RE-309, Technical Report for the Research Project GIFT supported by the EU, Contarct No TST4-CT-2004-12404, School of Naval Architecture and Marine Engineering, Division of Marine Structures, NTUA-NTM, March 2006.

Mavrakos, S.A., I. Thanos, S. Tsiloukas, Th. Grapsas: “The Floating GIFT Terminal as a coupled dynamical system – Preliminary calculations”, Report no: N° 65-1873-NTM-M-RE-304, Technical Report for the Research Project GIFT supported by the EU, Contarct No TST4-CT-2004-12404, School of Naval Architecture and Marine Engineering, Division of Marine Structures, NTUA-NTM, March 2006.

Mavrakos, S.A., J. Chatjigeorgiou: “Mooring Line Induced Damping and Bottom – Line Interaction Effects for the Moored GIFT Terminal”, Report no: N° 65-1873-NTM-N-CN-305, Technical Report for the Research Project GIFT supported by the EU, Contarct No TST4-CT-2004-12404, School of Naval Architecture and Marine Engineering, Division of Marine Structures, NTUA-NTM, Jan. 2006.

Mavrakos, S.A., J. Chatjigeorgiou: “Quasi-Static Motion Response Analysis of the Moored GIFT Terminal in Survival Conditions – First Comparisons with Experimental Data”, Report no: N° 65-1873-NTM-N-RE-300, Technical Report for the Research Project GIFT supported by the EU, Contract No TST4-CT-2004-12404, School of Naval Architecture and Marine Engineering, Division of Marine Structures, NTUA-NTM, Dec. 2006.

Mavrakos, S.A., J. Chatjigeorgiou: “Static and Dynamic Analysis of GIFT’s mooring arrangement under survival conditions”, Report no: N° 65-1873-NTM-N-CN-303, Technical Report for the Research Project GIFT supported by the EU, Contract No TST4-CT-2004-12404, School of Naval Architecture and Marine Engineering, Division of Marine Structures, NTUA-NTM, Dec. 2005.

Mavrakos, S.A., J. Chatjigeorgiou: “Preliminary Estimate of the Scale-down model for GIFT’s Mooring System”, Report no: N° 65-1873-NTM-N-CN-302, Technical Report for the Research Project GIFT supported by the EU, Contract No TST4-CT-2004-12404, School of Naval Architecture and Marine Engineering, Division of Marine Structures, NTUA-NTM, Jul. 2005.

Mavrakos, S.A., M.S. Triantafyllou: “Equivalent Transfer function representing control system action”, Report no: N° 65-1873-NTM-M-RE-308, Technical Report for the Research Project GIFT supported by the EU, Contract No TST4-CT-2004-12404, School of Naval Architecture and Marine Engineering, Division of Marine Structures, NTUA-NTM, Dec. 2005.

Mavrakos, S.A., M.S. Triantafyllou, I. Thanos, Th. Mazarakos: “Thruster Loads Preliminary Estimate”, Report no: N° 65-1873-NTM-N-CN-301, Technical Report for the Research Project GIFT supported by the EU, Contract No TST4-CT-2004-12404, School of Naval Architecture and Marine Engineering, Division of Marine Structures, NTUA-NTM, Jul. 2005.

Mavrakos, S.A., I. Thanos, Th. Mazarakos: “Hydrodynamics of GIFT Assembly (first-order)”, Report no: N° 65-1873-NTM-N-TR-305, Technical Report for the Research Project GIFT supported by the EU, Contract No TST4-CT-2004-12404, School of Naval Architecture and Marine Engineering, Division of Marine Structures, NTUA-NTM, Dec. 2005.

Mavrakos, S.A., P. Bourma, I. Thanos : “Spectra of slowly-varying excitation environmental forces (wind and wave), Report no: N° 65-1873-NTM-N-RE-309, Technical Report for the Research Project GIFT supported by the EU, Contract No TST4-CT-2004-12404, School of Naval Architecture and Marine Engineering, Division of Marine Structures, NTUA-NTM, Dec. 2005.

Mavrakos, S.A., P. Bourma, I. Thanos : “Mean Wind and Current Loads on GIFT terminal and its assembly with LNGC, Report no: N° 65-1873-NTM-G-TR-300, Technical Report for the Research Project GIFT supported by the EU, Contract No TST4-CT-2004-12404, School of Naval Architecture and Marine Engineering, Division of Marine Structures, NTUA-NTM, Nov. 2005.

Mavrakos, S.A., G. Katsaounis, G. Lemonis: “Validation of simulation models”, Deliverable D8, Technical Report for the Research Project LABBUOY supported by the EU, Contract No ENK6 – CT2001 – 00500, Department of Naval Architecture and Marine Engineering, NTUA, December 2003.

Mavrakos, S.A., G. Katsaounis, M. Giakoumis, G. Lemonis, K. Nielsen, W. Beattie, R. Alcorn, A. Stasinopoulos: “Scale Model Experiments”, Deliverable D7, Technical Report for the Research Project LABBUOY supported by the EU, Contract No ENK6 – CT2001 – 00500, Department of Naval Architecture and Marine Engineering, NTUA, September 2003.

Mavrakos, S.A., Georgatzis, A., Katsaounis, G.: “Hydrodynamic analysis of an array of floating wave energy converters”, Technical Report (in Greek) on the framework of the research project: “Construction of a demonstration plant for the electricity production from the waves” supported by the Greek General Secretariat for Research and Technology, PAVET 00ΒΕ142, Department of Naval Architecture and Marine Engineering, NTUA, April 2003.

Mavrakos, S.A., Katsaounis, G.: “Calculation of extreme environmental loads on an array of wave energy converters”, Technical Report (in Greek) on the framework of the research project: “Construction of a demonstration plant for the electricity production from the waves” supported by the Greek General Secretariat for Research and Technology, PAVET 00ΒΕ142, Department of Naval Architecture and Marine Engineering, NTUA, March 2003.

K. Nielsen, W. Beattie R. Alcorn, G.M. Katsaounis and S.A. Mavrakos: «Οptimum configurations of physical scale model for representative sea states under consideration”, Deliverable D4, Technical Report for the Research Project LABBUOY supported by the EU, Contract No ENK6 – CT2001 – 00500, Department of Naval Architecture and Marine Engineering, NTUA, March 2003.

Mavrakos, S.A., Katsaounis, G.M., Nielsen, K., Lemonis, G., Chatjigeorgiou, I. K.: “Mechanical Systems Modeling”, Deliverable D2, Technical Report for the Research Project LABBUOY supported by the EU, Contract No ENK6 – CT2001 – 00500, Department of Naval Architecture and Marine Engineering, NTUA, December 2002.

Mavrakos, S.A., Katsaounis, G.M. and Holmes, B.: “Sea States Definition and Modeling”, Deliverable D1, Technical Report for the Research Project LABBUOY supported by the EU, Contract No ENK6 – CT2001 – 00500, Department of Naval Architecture and Marine Engineering, NTUA, December 2002.

Mavrakos, S.A.: «Hydrodynamic analysis for the change in use of the Jack-up “ANDROS” with a concrete caisson on it”, Technical Report (in Greek) to the construction Company ATHENA S.A., Department of Naval Architecture and Marine Engineering, NTUA, April 2001.

Mavrakos, S.A. and Chatjigeorgiou, J: «Evaluation of the drag forces during the transportation and the operating phases of the floating offshore structure for the deployment of the instrumentation of the Laboratory NESTOR for neutrino monitoring”, Technical Report (in Greek), Department of Naval Architecture and Marine Engineering, NTUA, June 2001.

Μavrakos, S.A.: «Hydrodynamic Analysis of the floating offshore structure for the deployment of the instrumentation of the Laboratory NESTOR for neutrino monitoring”, Technical Report (in Greek), Department of Naval Architecture and Marine Engineering, NTUA, April 2001.

Mavrakos, S.A.: “Development of software for the calculation of the mean wind and current loads on ships and systematic evaluation of the mean drift forces on arrangements of floating marinas (in Greek)”, Technical Report to the Greek General Secretariat for Research and Technology for the research project PAVE (contract: 97BE142), Department of Naval Architecture and Marine Engineering, NTUA, June 2000.

Mavrakos, S.A., Chatjigeorgiou, I.K.: “Application of the method for evaluating motions of moored ships in harbors to the case of Kavala and Alexandoupolis harbors”, Final Report to the Greek General Secretariat for Research and Technology for the Research Project: Optimization of the design procedures for harbor works; Application to the Harbors of Alexandroupoli, Lagos and Kavala, Department of Naval Architecture and Marine Engineering, N.T.U.A., January 1999.

Mavrakos, S.A., Chatjigeorgiou, I.K.: “Motions of moored ships in harbors”, Technical Report to the Greek General Secretariat for Research and Technology for the Research Project: Optimization of the design procedures for harbor works; Application to the Harbors of Alexandroupoli, Lagos and Kavala, Department of Naval Architecture and Marine Engineering, N.T.U.A., January 1999.

Mavrakos, S.A., Loukakis, T., Grigoropoulos, Gr., Chatjigeorgiou, J.: “Experimental and Numerical Investigation of the Hydrodynamic Behavior of Floating Breakwaters” (in Greek), Final Technical Report to the Greek General Secretariat for Research and Technology from the Department of Naval Architecture and Marine Engineering, N.T.U.A., Jan. 1998.

Mavrakos, S.A., Tsouvalis, N., Chatjigeorgiou, J., Peponis, V., Triantafyllou, M.S.: “Mooring System design for three floating Navy docks: Phase A- Final Preliminary design” (in Greek), Final Technical Report to the Greek Navy, Department of Naval Architecture and Marine Engineering, N.T.U.A., Nov. 1996.

Mavrakos, S.A., Chatzigeorgiou, J.: “Wind and Current forces on several types of ships”(in Greek), Report for the Research Project : Optimization of the design procedures for harbor works; Application to the Harbors of Alexandroupoli, Lagos and Kavala, Department of Naval Archtecture and Marine Engineering, N.T.U.A., June 1996.

Mavrakos, S.A., Loukakis, T., Grigoropoulos, Gr., Chatjigeorgiou, J.: “Experimental and Numerical Investigation of the Hydrodynamic Behavior of Floating Breakwaters” (in Greek), Interim Report to the Greek General Secretariat for Research and Technology from the Department of Naval Architecture and Marine Engineering, N.T.U.A., Nov. 1995.

Mavrakos, S.A., Triantafyllou, M.S., Peponis, V., Chatjigeorgiou, J.: “Mooring System design for three floating Navy docks: Phase A-Preliminary design” (in Greek), First Technical Report to the Greek Navy from the Department of Naval Architecture and Marine Engineering, N.T.U.A., Nov. 1995.

McIver, P., Mavrakos, S.A., Singh, G.: “Wave-power absorption by arrays of devices”, Final Technical Report for the EU project “Offshore Wave Energy Converters (OWEC-1)", submitted to the General Directorate for Research and Development, JOULE Program, C.E.C., Project No. Jou2-CT93-0394, Sept. 1995.

Mavrakos, S.A.: “Mooring system design for a pipe-laying ship operating between Preveza-Corfu” (in Greek), Final Technical Report to FULGOR S.A., Department of Naval Architecture and Marine Engineering, February 1995.

Mavrakos, S.A.: “Mooring system design for a pipe-laying ship operating between Igoumenitsa-Corfu” (in Greek), Final Technical Report to FULGOR S.A., Department of Naval Architecture and Marine Engineering, May 1994.

Papazoglou, V.J. Mavrakos, S.A., Triantafyllou, M.S. and Hover, F.S.: “Deep Water Subsea System Servicing Through the Surface: A technology Transfer”, Series of three Interim Reports and Final Technical Report to the Energy Directorate, C.E.C., Department of Naval Architecture and Marine Engineering, January 1992, July 1992, July 1993 and May 1994.

Brando, P., Mavrakos, S.A., Papazoglou, V. and Triantafyllou, M.: “Use of Buoys to Reduce Static and Dynamic Tension in Deep Water Mooring Lines : A Pilot Study”, Series of three Interim Reports and Final Report to the Hydrocarbon Division, Energy Directorate, C.E.C., Project No. TH 06046/88, July 1989, February 1990, August 1990 and April 1991.

Spyridakis, M., Asorakos, S., Mavrakos, S.A., Papazoglou, V. and Trezos, K.: “Specifications for the Design of Floating Marinas-Phase A” (in Greek), Technical Report to the Hellenic Tourist Organization from MAR.TE.DEC. S.A. and N.T.U.A., March 1989.

Mavrakos, S.A., Papazoglou, V.J. and Triantafyllou, M.S.: “Feasibility Study for Deep Water Anchoring Systems”, Series of three Interim Reports and Final Report to the Hydrocarbon Division, Energy Directorate, C.E.C. from N.T.U.A., Project No. TH06027/86, July 1987, January 1988, July 1988 and February 1989.

Loukakis, T., Mavrakos, S.A., Athanassoulis, G., Politis, G.: “Hydrodynamic Analysis of Semi-Submersibles” (in Greek), Final report to the Greek Ministry for Research and Technology from the Department of Naval Architecture and Marine Engineering, National Technical University of Athens, Jan. 1986.

Other Publications

Chatjigeorgiou, I.K., Mavrakos, S.A. : “The effect of internal ideal fluid on the 3D dynamics of large sag pipelines”, Technical Bulletin of the Society of the Greek Naval Architects, Nr. 116, July-September Issue 2010, pp. 24 – 28.

Pessoa, J., Fonseca, N., Guedes Soares, C., Le Boullec, M., Ohana J., Mavrakos, S., Mazarakos, Th., Jensen, B., Kirkegaard, J.: “Experimental study of the slowly varying wave exciting drift forces on a body of simple geometry”, Proceedings Joint User Meeting, HYDRALAB III EU project, Hannover, Feb. 2010, Germany.

Mavrakos, S.A., Chatjigeorgiou, I.K, Mazarakos, Th., Konispoliatris, D.: “Experimental and numerical investigation of the hydrodynamic loads and wave elevation on concentric vertical cylinders”, Proceedings Joint User Meeting, HYDRALAB III EU project, Hannover, Feb. 2010, Germany.

Mavrakos, S.A: «The future is in the sea» (in Greek), Newspaper Real News, Real Planet, 29/11/2009.

Mavrakos, S.A.: «Systems for Ocean Energy Exploitation» (in Greek), ECOFORUM, Athens, 2008

Bourma, P.D., Thanos, I.F., Mavrakos, S.A., “Quality control protocol for an autonomous underwater glider”, Proceedings (Poster Session), IMDIS Conference, 2008, Athens, Greece.

Mavrakos, S.A., Spyrou, K., Tzabiras, G., Thanos, I., Mazarakos, Th., Tzamtzis, S. “Towing of large ships through the Corinth Cannel” (in Greek), Annual Symposium on Marine Technology, Greek Institute on Marine Technology, Piraeus, November 2007.

Chatjigeorgiou, I.K., Mavrakos, S.A., Mazarakos, Th.: Hydrodynamic loading on a bottom seated, free – surface piercing vertical cylinder under the combined action of surface gravity waves and marine current”(in Greek), PYTHAGORAS, Symposium on the Scientific Research at National Technical University of Athens, July 2007, Plomati, Lesvos, Greece.

Mavrakos, S.A., Katsaounis, G., Chatjigeorgiou, I.K.: “Performance evaluation of moored WEC’s exposed to the action of first- and second-order wave loading” (in Greek), PYTHAGORAS, Symposium on the Scientific Research at National Technical University of Athens, July 2007, Plomati, Lesvos, Greece.

Kladas, A., Koulakoglou, S., Lemonis, G., Mavrakos, S.A., Katsaounis, G., Stasinopoulos, A., Chatjilakos, K. “Demonstrative Electricity Production Installation powered by sea waves” (in Greek), 3rd National Conference on the Application of Renewable Energy Technologies: Perspectives and Priorities towards to 2010, 2005, Athens, Greece

Mavrakos, S.A. “Analysis of Loads and Motions of Moored Ships in Harbors” (in Greek), Proceedings, 3rd National Congress of Harbor Works, Athens, 2003, 539 - 557.

Address

LABORATORY FOR FLOATING STRUCTURES AND MOORING SYSTEMS
School of Naval Architecture and Marine Engineering, N.T.U.A.
Building Λ, Zografos Campus
Iroon Polytechniou 9
15780, ZOGRAFOS, ATHENS, GREECE


Contact

Secretariat: E. Kaloutsa 
Tel: +30 210 7722872
Fax: +30 210 7721412
e-mail: ekaloutsa@naval.ntua.gr

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