2012

[59]  G.A. ATHANASSOULIS, I. C. TSANTILI, Z. G. KAPELONIS, "The joint Response-Excitation PDF evolution equation. Numerical solutions for the long-time, steady-state response of a half oscillator", 11th ASCE Joint Specialty Conference on Probabilistic Mechanics and Structual Reliability, mini-symposium Nonlinear Stochastic Dynamics: Current Status and Future Challenges, June 17-20, 2012, Indiana, USA. (submitted)

[58]  G.A. ATHANASSOULIS, I. C. TSANTILI, Z. G. KAPELONIS, "Steady state probabilistic response of a half oscillator excited by a cubic Gaussian process", 11th International Conference on the Stability of Ships and Ocean Vehicles, September 23-28, 2009, Athens, Greece. (submitted)

2011

[57]  G.A. ATHANASSOULIS, K.A. BELIBASSAKIS, "A fast-convergent spectral method for wave propagation and scattering in non-uniform waveguides", 7th GRACM International Congress on Computational Mechanics, June 2011, Athens, Greece

2010

[56]  K.A. BELIBASSAKIS, Th.P. GEROSTATHIS, G.A. ATHANASSOULIS, "A coupled-mode model for the trans-formation of wave systems over inhomogeneous sea/coastal environment", 29th International Conference on Offshore Mechanics and Arctic Engineering, OMAE, June 2010, Shanghai, China

2009

[55]  G.A. ATHANASSOULIS, I-S. C. TSANTILI, TH.P. SAPSIS, “Generalized FPK equations for non-linear dynamical systems under general stochastic excitation", International Conference on Stochastic Methods in Mechanics: Status and Challenges, (organized in honour of Professor K. Sobczyk by the Institute of Fundamental Technological Research, Polish Academy of Sciences), September 28-30, 2009, Warsaw, Poland.

[54]  K.A. BELIBASSAKIS, G.A. ATHANASSOULIS, “A coupled-mode model with application to wave scattering by VLFS or ice sheets of varying thickness over general bottom topography", 5th International Conference on HYDRO-ELASTICITY in Marine Technology, September 8 – 10, 2009, Southampton, UK.

[53]  G.A. ATHANASSOULIS, K.A. BELIBASSAKIS, “A novel coupled-mode theory with application to hydroelastic analysis of thick, non-uniform floating bodies over general bathymetry", International Conference on Fluid-Structure Inter-actions. Special Symposium in honour of Professor W.G. Price, September 7, 2009, Southampton, UK.

[52]  G.A. ATHANASSOULIS, I-S. C. TSANTILI, TH.P. SAPSIS, “New equations for the probabilistic prediction of ship roll motion in a realistic stochastic seaway", Paper 163 (in electronic form), 10th International Conference on Stability of Ships and Ocean Vehicles, pp. 661 – 672 (in Proceedings’ volume),June 22 - 26, 2009, St. Petersburg, Russia.

[51]  K.A. BELIBASSAKIS, G.A. ATHANASSOULIS, “A fast convergent modal-expansion of the wave potential with application to the hydrodynamic and hydro-elastic analysis of floating bodies in general bathymetry", Paper 79681 (in electronic Proceedinds), 28th International Conference on Offshore Mechanics and Arctic Engineering, OMAE, May 31 – June 5, 2009, Honolulu, Hawai.

2008

[50]  K.A. BELIBASSAKIS, G.A. ATHANASSOULIS, “A coupled-mode approach to nonlinear waves in finite depth. Viscous bottom boundary layer flow", 8th Inter-national Conference on Hydrodynamics, ICHD'08, October 1-3, 2008, Nantes, France.

[49]  K.A. BELIBASSAKIS, Th.P. GEROSTATHIS, G.A. ATHANASSOULIS, “A weakly nonlinear coupled-mode model for wave-current-seabed interaction over general bottom topography”, 27th International Conference on Offshore Mecha-nics and Arctic Engineering, OMAE, June 2008, Estoril, Portugal.

[48]  G.A. ATHANASSOULIS, K.A. BELIBASSAKIS, “A unified coupled-mode approach to nonlinear waves in finite depth. Potential flow”, 27th International Conference on Offshore Mechanics and Arctic Engineering, OMAE, June 2008, Estoril, Portugal.

2007

[47]  K.A. BELIBASSAKIS, Th.P. GEROSTATHIS, G.A. ATHANASSOULIS, “Wave-current systems in variable bathymetry regions”, 12th International Con-gress of the International Maritime Association of the Mediterranean, IMAM, September 2007, Varna, Bulgaria.

[46]  K.A. BELIBASSAKIS, Th.P. GEROSTATHIS, G.A. ATHANASSOULIS, “Calculation of wave-induced set-up in variable bathymetry regions and groundwater flow in permeable beaches by a coupled-mode method”, 8th HSTAM International Congress on Mechanics, 12-14 July 2007, Patras, Greece.

[45]  K.A. BELIBASSAKIS, G.A. ATHANASSOULIS, “A coupled-mode technique for the prediction of wave-induced set-up in variable bathymetry domains and groundwater circulation in permeable beaches”, 17th International Offshore and Polar Conference and Exhibition, ISOPE 2007, Lisbon, Portugal, July 2007.

[44]  K.A. BELIBASSAKIS, Th.P. GEROSTATHIS, G.A. ATHANASSOULIS, “A phase-resolving, coupled-mode model for wave-current-seabed interaction over steep 3D bottom topography. Parallel architecture and implementation”, 17th International Offshore and Polar Conference and Exhibition, ISOPE 2007, Lisbon, Portugal, July 2007.

[43]  K.A. BELIBASSAKIS, G.A. ATHANASSOULIS, “A coupled-mode technique for the prediction of wave-induced set-up and mean flow in variable bathymetry domains”, 26th International Conference on Offshore Mechanics and Arctic Engineering, OMAE, June 2007,San Diego, USA.

[42]  G.A. ATHANASSOULIS, P.N. GAVRILIADIS, "Numerical solution of the truncated Stieltjes moment problem", Inverse Problems, Design and Optimization Symposium, IPDO 2007, Miami, Florida, USA, April 2007.

2006

[41]  G.A. ATHANASSOULIS, K.A. BELIBASSAKIS, Th.P. GEROSTATHIS, “Wave data along ship routes in the Mediterranean Sea”, 9th International Confer-ence on Stability of Ships and Ocean Vehicles, STAB2006, 25-29 September 2006, Rio de Janeiro Brazil.

[40]  Th.P. SAPSIS, G.A. ATHANASSOULIS, “New partial differential equations governing the response-excitation joint probability distributions of nonlinear systems under general stochastic excitation II: Numerical Solution”, 5th Computational Stochastic Mechanics Conference, 21-23 June 2006, Rhodes Island, Greece.

[39]  G.A. ATHANASSOULIS, Th.P. SAPSIS, “New partial differential equations governing the response-excitation joint probability distributions of nonlinear systems under general stochastic excitation I: Derivation”, 5th Computational Stochastic Mechanics Conference, 21-23 June 2006, Rhodes Island, Greece.

[38]  N.I. XIROS, K.A. BELIBASSAKIS, G.A. ATHANASSOULIS, “Modeling and assessment of the underwater acoustic channel for submerged end-users positioning information transmission and applications”, 16th International Offshore and Polar Engineering Conference, ISOPE 2006, May 28 – June 6, San Fransisco, USA.

[37]  G.D. GKIKAS, N.I. XIROS, G.A. ATHANASSOULIS AND K.A. BELIBASSAKIS, “A nonlinear model for oscillating water column analysis, design and control”, 16th International Offshore and Polar Engineering Conference, ISOPE 2006, May 28 – June 6, San Fransisco, USA.

[36b]  Κ.A. BELIBASSAKIS, G.A. ATHANASSOULIS,"A coupled-mode techni-que for the run-up of non-breaking dispersive waves on plane beaches", 25th Inter-national Conference on Offshore Mechanics and Arctic Engineering, OMAE, 4-9 June 2006, Hamburg Germany.

[36a]  Κ.A. BELIBASSAKIS, G.A. ATHANASSOULIS,"A coupled-mode technique for weakly nonlinear wave interaction with large floating structures lying over variable bathymetry regions", 25th International Conference on Offshore Mecha-nics and Arctic Engineering, OMAE, 4-9 June 2006, Hamburg, Germany.

2005

[35]  G.A. ATHANASSOULIS, K.A. BELIBASSAKIS, “Nonlinear water-wave problem: A consistent coupled-mode reformulation and derivation of families of travelling wave solutions”, 7th International Conference on Mathematical and Numerical Aspects of Wave Propagation, WAVES 2005,20-24 June 2005, Brown University, Providence, RI, USA.

[34]  Th. GEROSTATHIS, K.A. BELIBASSAKIS, G.A. ATHANASSOULIS, “A coupled-mode, phase-resolving model for the transformation of wave spectrum over steep 3D topography. A parallel-architecture implementation”, 24th International Conference on Offshore Mechanics and Arctic Engineering, OMAE2005,12-17 June 2005, Halkidiki, Greece.

2004

[33]  K.A. BELIBASSAKIS, G.A. ATHANASSOULIS, “Hydroelastic behavior of floating flexible plates on surface gravity waves with the effects of variable bathy-metry”, 7th National Congress of Mechanics (HSTAM-2004), 24-26 June 2004, Chania-Crete, Greece.

[32]  CH. STEFANAKOS, G.A. ATHANASSOULIS, L. CAVALERI, L. BERTOT-TI, J.-M. LEFEVRE, “Wind and wave climatology of the Mediterranean Sea. Part II: Wave statistics”, 14th International Offshore and Polar Engineering Conference, ISOPE 2004, Vol. III, pp. 187-196, 23-28 May 2004, Toulon, France.

[31]  Ch. STEFANAKOS, G.A. ATHANASSOULIS, L. CAVALERI, L. BERTOT-TI, J.-M. LEFEVRE, “Wind and wave climatology of the Mediterranean Sea. Part I: Wind statistics”, 14th International Offshore and Polar Engineering Conference, ISOPE 2004, Vol. III, pp. 177-186, 23-28 May 2004, Toulon, France.

[30]  K.A. BELIBASSAKIS, G.A. ATHANASSOULIS, “Hydroelastic responses of very large floating structures lying over variable bathymetry regions”, 14th International Offshore and Polar Engineering Conference, ISOPE 2004, Vol. I, pp. 584-591, 23-28 May 2004, Toulon, France.

[29]  K.A. BELIBASSAKIS, G.A. ATHANASSOULIS, “A coupled-mode technique for wave-current interaction in variable bathymetry regions”, 14th International Offshore and Polar Engineering Conference, ISOPE 2004, Vol. III, pp. 226-233, 23-28 May 2004, Toulon, France.

2003

[28]  G.A. ATHANASSOULIS, K.A. BELIBASSAKIS, “Rapidly-convergent local-mode representations for wave propagation and scatterinc in curved-boundary wave-guides”, 6th International Conference on Mathematical and Numerical Aspects of Wave Propagation, WAVES 2003, 30 June - 4 July 2003, Jyväskylä, Finland.

[27]  A. BOUKHANOVSKY, H.E. KROGSTAD, L. LOPATOUKHIN, V.A. ROZH-KOV, G.A. ATHANASSOULIS, CH.N. STEFANAKOS, “Stochastic simulation of inhomogeneous MetOcean fields. Part II: Synoptic variability and rare events”, International Conference on Computational Science (ICCS) 2003, pp. 223-233, St. Petersburg, Russia

[26]  G.A. ATHANASSOULIS, K. BELIBASSAKIS, Y. GEORGIOU, “Transforma-tion of the point wave spectrum over variable bathymetry regions”, 13th Interna-tional Offshore and Polar Engineering Conference, ISOPE 2003, 25-30 May 2003, Honolulu, Hawaii.

[25]  S. BARSTOW, G. MØRK, L. LØNSETH, P. SCHJØLBERG, U. MACHADO, G.A. ATHANASSOULIS, K. BELIBASSAKIS, TH. GEROSTATHIS, CH. STEFANAKOS, G. SPAAN, “WORLDWAVES: Fusion of data from many sources in a user-friendly software package for timely calculation of wave statistics in global coastal waters”, 13th International Offshore and Polar Engineering Conference, ISOPE 2003, 25-30 May 2003, Honolulu, Hawaii.

[24]  Ch.N. STEFANAKOS, G.A. ATHANASSOULIS, “Bivariate stochastic simu-lation based on nonstationary time series modeling”, 13th International Offshore and Polar Engineering Conference, ISOPE 2003, 25-30 May 2003, Honolulu, Hawaii.

2002

[23]  G.A. ATHANASSOULIS, K.A. BELIBASSAKIS, Ch.N. STEFANAKOS,“Wave power prediction in nearshore areas based on offshore wave information. A case study”, European Power and Energy Systems (EuroPES 2002), 25-28 June, 2002, Crete, Hellas.

[22]  G.A. ATHANASSOULIS,K.A. BELIBASSAKIS, “A non-linear coupled-mode model for water waves over general bathymetry”, 21st International Conference on Offshore Mechanics and Arctic Engineering, OMAE 2002, 23-28 June 2002, Oslo, Norway.

[21]  L. LOPATOUKHIN, V. ROZHKOV, A. BOUKHANOVSKY, A. DEGTYA-REV, K. SAS’KOV, G.A. ATHANASSOULIS, Ch.N. STEFANAKOS, H.E. KROG-STAD, "Spectral wave climate in the Barents Sea", 21st International Conference on Offshore Mechanics and Arctic Engineering, OMAE 2002, 23-28 June 2002, Oslo, Norway.

[20]  G.A. ATHANASSOULIS,K.A. BELIBASSAKIS, “A coupled-mode, fully dis-persive, weakly non-linear model for water waves over a general bathymetry”, 12th International Offshore and Polar Engineering Conference, ISOPE 2002, 26-31 May 2002, Kitakyushu, Japan.

[19]  Ch.N. STEFANAKOS,G.A. ATHANASSOULIS,S.F. BARSTOW, "Multi-scale time series modelling of significant wave height", 12th International Offshore and Polar Engineering Conference, ISOPE 2002, 26-31 May 2002, Kitakyushu, Japan.

[18]  K.A. BELIBASSAKIS, G.A. ATHANASSOULIS,“Harmonic generation past a generally shaped bottom profile”, 10th Congress of International Maritime Association of the Mediterranean, IMAM 2002, 13-17 May 2002, Crete, Hellas.

[17]  G.A. ATHANASSOULIS,K.A. BELIBASSAKIS, Th.P. GEROSTATHIS, “A coupled-mode model for acoustic scattering by a general seafloor topography”, 10th Congress of International Maritime Association of the Mediterranean, IMAM 2002, 13-17 May 2002, Crete, Hellas.

2001

[16]  G.A. ATHANASSOULIS, K.A. BELIBASSAKIS, Th.P. GEROSTATHIS, “A coupled-mode theory for the diffraction of water waves by localized scattered over a parallel-contour bathymetry”, 5th International Conference on Mathematical and Numerical Aspects of Wave Propagation (WAVES 2000), 10-14 July 2000, Santiago de Compostela, Spain.

1999

[15]  L. CAVALERI, G.A. ATHANASSOULIS, S. BARSTOW, “Eurowaves: a user-friendly approach to the evaluation of nearshore wave conditions”, 9th International Offshore and Polar Engineering Conference and Exhibition, ISOPE 1999, 30 May – 4 June 1999, Brest, France.

1998

[14]  G.A. ATHANASSOULIS, Ch. N. STEFANAKOS, “Missing-value completion of non-stationary time series of wave data”, 17th International Conference on Off-shore Mechanics and Arctic Engineering, OMAE 1998, July 5-9, 1998, Lisboa, Portugal.

1997

[13]  G.A. ATHANASSOULIS, K.A. BELIBASSAKIS, “Water wave Green function for a 3D uneven-bottom problem with different depths at  and ”, Proce-edings of IUTAM Symposium on Computational Methods in Unbounded Do-mains, 27-31 July 1997, Boulder, Colorado, USA. (Published by Kluwer Academics Publishers, 1998).

[12]  G.A. ATHANASSOULIS, K.A. BELIBASSAKIS, “The integrated software ‘Amfitrite’ with application to hydroacoustic calculations in the Greek Sea environ-ment”, (in Greek) 5th Hellenic Symposium on Oceanography and Fisheries, 15-18 April, 1997, Cavala, Greece.

1995

[11]  M.T. PONTES, G.A. ATHANASSOULIS, S. BARSTOW, L. CAVALERI, B. HOLMES, D. MOLLISON, H. OLIVEIRA-PIRES, "An Atlas of the Wave Energy Resource in Europe", 14th International Offshore Mechanics and Arctic Engine-ering Conference, OMAE 1995, Vol. 1, pp. 155-161, 18-22 June, 1995, Copenha-gen, Denmark.

1993

[10]  G.A. ATHANASSOULIS, T.H. SOUKISSIAN, "A new model for long-term stochastic prediction of cumulative quantities", 12th International Offshore Mecha-nics and Arctic Engineering Conference, OMAE 1993, Vol. 2, pp. 417-424, 20-24 June, 1993, Glasgow, Scotland.
[09]  E.K. SKARSOULIS, G.A. ATHANASSOULIS, "The use of classical maximum likelihood method for estimating directional wave spectra from heave-pitch-roll time series", 3rd International Offshore and Polar Engineering Conference, ISOPE 1993, Vol. III, pp. 1-8, 6-11 June, 1993, Singapore.

1992

[08]  G.A. ATHANASSOULIS, G.N. MAKRAKIS and M.V. PAPALEXANDRIS, "Numerical evaluation of half-plane Green functions for the acoustic and modified Helmholtz equations", 3rd National Congress on Mechanics, June 27-29, 1992, Athens, Greece.

1991

[07]  M.I. TAROUDAKIS, G.A. ATHANASSOULIS and J.P. IOANNIDIS, "A hybrid solution of the Helmholtz equation in shallow water based on a variational principle", Colloque Acoustique sous-marine et ultrasons, pp. 213-227, 3-5 June 1991, Marseille, France.

[06]  G.A. ATHANASSOULIS, S.G. VOUTSINAS and A.A. THEODOULIDIS, "A Hamiltonian variational principle for steady, non-linear, free-surface flows", 1st International Conference on Mathematical and Numerical Aspects of Wave Propagation Phenomena, pp. 387-396, April 23-26, 1991, Strasbourg, France.

1989

[05]  G.A. ATHANASSOULIS and G.N. MAKRAKIS, "Causality and radiation condition in free-surface hydrodynamics problems", 2nd National Congress in Mechanics, pp. 798-808, June 29-July 1, 1989, Hellenic Society For Theoretical and Applied Mechanics, Athens, Greece.

1987

[04]  G.A. ATHANASSOULIS and G.N. MAKRAKIS, "An unusual wave equation arising in water-wave theory", DIFFERENTIAL EQUATIONS. Proceedings of the EQUADIFF Conference, pp. 49-55, August 24-28, 1987, Xanthi, Greece. (Published by Marcel Dekker, New York, 1989).  

1985

[03]  G.A. ATHANASSOULIS, C.G. POLITIS, "On a radiation problem for two-dimensional floating bodies of arbitrary shape, with corners", 14th Scientific and Methodological Seminar on Ship Hydrodynamics, pp. 21.1-21.24, September 1985, Varna, Bulgaria.

[02]  G.A. ATHANASSOULIS, T.A. LOUKAKIS, A.N. LYBEROPOULOS, "Exciting forces on two-dimensional bodies of arbitrary shape", OCEAN SPACE UTILIZATION 1985, pp. 95-104, June 1985, Nihon University, Tokyo, Japan.

1984

[01]  G.A. ATHANASSOULIS, Th.A. LOUKAKIS, P. STOLAKIS, C.G. POLITIS, "Oscillations of floating cylinders of arbitrary cross-section. The limiting cases of small and large frequencies", 3rd International Congress of Marine Technology, Vol. II, pp. 471-478, June 1984, Athens, Greece.