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Posts

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Blog Post number 1

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publications

Arrival‐time perturbations of broadband tomographic signals due to sound‐speed disturbances. A wave‐theoretic approach

G. A. Athanassoulis, E. K. Skarsoulis

Published in The Journal of the Acoustical Society of America, 97(6), 3575-3588, 1995

Analytical dynamics of wave-body interaction

G. A. Athanassoulis

Book chapter: Mathematical Techniques for Water Waves, Chapter 3, 79-154, 1997

A consistent coupled-mode theory for the propagation of small-amplitude water waves over variable bathymetry regions

G. A. Athanassoulis, K. A. Belibassakis

Published in Journal of Fluid Mechanics, 389, 275-301, 1999

Extension of second-order Stokes theory to variable bathymetry

K. A. Belibassakis, G. A. Athanassoulis

Published in Journal of Fluid Mechanics, 464, 35-80, 2002

Exact semi-separation of variables in waveguides with non-planar boundaries

G. A. Athanassoulis, Ch. E. Papoutsellis

Published in Proceedings of the Royal Society A: Mathematical Physical and Engineering Sciences, Kinetic & Related Models, 473(2201), 20170017, 2017

Implementation of a fully nonlinear Hamiltonian Coupled-Mode Theory, and application to solitary wave problems over bathymetry

Ch. E. Papoutsellis, A. G. Charalampopoulos, G. A. Athanassoulis

Published in European Journal of Mechanics - B/Fluids, 72, 199-224, 2018

A systematic path to non-Markovian dynamics: new response probability density function evolution equations under Gaussian coloured noise excitation

K. I. Mamis, G. A. Athanassoulis, Z. G. Kapelonis

Published in Proceedings of the Royal Society A: Mathematical Physical and Engineering Sciences, Kinetic & Related Models, 475(2226), 20180837, 2019

Extensions of the Novikov–Furutsu theorem, obtained by using Volterra functional calculus

G. A. Athanassoulis, K. I. Mamis

Published in Physica Scripta, 94(11), 2019

Strong solutions for the Alber equation and stability of unidirectional wave spectra

A. G. Athanassoulis, G. A. Athanassoulis, M. Ptashnyk, T. Sapsis

Published in Kinetic & Related Models, 13(4), 703-737, 2020

students

Konstantinos G. Politis

Ph.D. Thesis: "Theoretical analysis of the wave-body interaction problem with emphasis on the low-frequency and large time asymptotics", NTUA, Greece, 1990
Current position: Professor, Department of Naval Architecture, School of Engineering, University of West Attica, Greece

Giorgos N. Makrakis

Ph.D. Thesis: "Elastic Wave Propagation in a half plane with a hole", NTUA, Greece, 1992
Current position: Professor, Dept. of Applied Mathematics, University of Crete, and Researcher at the Institute of Applied and Computational Mathematics, Foundation of Research and Technology, Greece

Takvor H. Soukissian

Ph.D. Thesis: "Methods of long-term analysis and prediction of sea wave climate", NTUA, Greece, 1995
Current position: Senior Researcher, Hellenic Center for Marine Research, Greece

Alexandros A. Theodoulidis

Ph.D. Thesis: "Steady free-surface flows around a finite obstacle or an applied pressure system. Linear and non-linear problem", NTUA, Greece, 1995
Current position: Assistant Professor, Department of Naval Architecture, School of Engineering, University of West Attica, Greece

Christos N. Stefanakos

Ph.D. Thesis: "Nonstationary stochastic modelling of time series with applications to environmental data", NTUA, Greece, 1999
Current position: Research Scientist in the Department of Energy and Transport, SINTEF Ocean, Norway

Aristeidis M. Prospathopoulos

Ph.D. Thesis: "Three-dimensional acoustic scattering from axisymmetric obstacles or inclusions in oceanic wave guides", NTUA, Greece, 2000
Current position: Associate Researcher, Hellenic Center for Marine Research, Greece

Theodoros P. Gerostathis

Ph.D. Thesis: "Wave propagation in the nearshore/coastal environment using models appropriate for parallel processing", NTUA, Greece, 2004
Current position: Associate Professor, Department of Naval Architecture, School of Engineering, University of West Attica, Greece

Ph.D. Thesis: "Theoretical and numerical exploitation of the moment problem with applications to the probabilistic prediction of stochastic responses of dynamical systems", NTUA, Greece, 2006
Current position: Researcher, National Technical University of Athens, Greece

Konstantinos S. Politis

Ph.D. Thesis: "Modeling and numerical solution of wave propagation problems in the sea by means of wavelets and Gabor frames", NTUA, Greece, 2008

Giorgos D. Gkikas

Ph.D. Thesis: "Nonlinear system modeling and identification of an onshore oscillating water column-wave energy converter, using Volterra series and Hilbert-Huang transform", NTUA, Greece, 2012
Current position: Senior Engineer in Hydrodynamics, SBM Offshore, The Netherlands

Sevasti-Ivi C. Tsantili

Ph.D. Thesis: "Two-time response excitation theory for non linear stochastic dynamical systems", NTUA, Greece, 2013

Christos E. Papoutsellis

Ph.D. Thesis: "Nonlinear Water Waves over varying bathymetry. Theoretical and numerical study using variational methods", NTUA, Greece, 2016
Current position: Postdoctoral Researcher, Institut de Mécanique des Fluides de Toulouse - IMFT at IRT Saint Exupéry, France

Konstantinos I. Mamis

Ph.D. Thesis: "Probabilistic responses of dynamical systems subjected to Gaussian coloured noise excitation. Foundations of a non-Markovian theory", NTUA, Greece, 2020

students_diploma

Georgios Kossioris

Diploma Thesis: "A function-theoretic approach to a two-dimensional wave-body interaction problem governed by the modified Helmholtz equation", NTUA, Greece, 1986
Current position: Professor, Department of Mathematics and Applied Mathematics, University of Crete, Greece

Peter Vranas

Diploma Thesis: "Excursion analysis and extreme-value analysis for stationary stochastic processes: short– and long–term consideration", NTUA, Greece, 1988
Current position: Professor, Department of Philosophy, University of Wisconsin-Madison, USA

Themistoklis P. Sapsis

Diploma Thesis: "Stochastic Analysis with Applications to Dynamical Systems", NTUA, Greece, 2005
Current position: Associate Professor in Ocean Utilization, Department of Mechanical Engineering, Massachusetts Institute of Technology, USA

Kyriakoula N. Kofiani

Diploma Thesis: "Calculus on Functionals and Variational Formulations with Application to Mechanics", NTUA, Greece, 2007
Current position: Engineer, Shell, The Netherlands

Konstantinos I. Mamis

Diploma Thesis: "Modeling and Analysis of Hydro/Piezo/Electric Systems", NTUA, Greece, 2013

Alexis-Tzianni Charalampopoulos

Diploma Thesis: "A Hamiltonian Coupled Mode method for the fully non linear water wave problem", NTUA, Greece, 2016

Nikolaos I. Vasilikis

Diploma Thesis: "Hydrodynamic interaction and power absorption efficiency of wave energy converters in the frequency domain, using the boundary element method", NTUA, Greece, 2016

Athanasios I. Lolos

Diploma Thesis: "First-Passage-Time Problem of differentiable random functions, and applications", NTUA, Greece, 2017

Constantinos P. Mavroeidis

Diploma Thesis: "Variational and Asymptotic Methods in the Study of Nonlinear, Free-Surface Waves", NTUA, Greece, 2019

Ilias G. Mavromatis

Diploma Thesis: "Probabilistic description of responses of nonlinear dynamical systems under colored Gaussian excitation", NTUA, Greece, 2020

teaching

Optimization Methods and Variational Principles in Mathematical Physics.

Graduate course, National Technical University of Athens, Greece, Fall, 2020.

Taught (and continuously evolved) since 2003.

Non-Markovian Stochastic Functions. Stochastic Dynamics.

Graduate course, National Technical University of Athens, Greece, Spring, 2020.

Taught (and continuously evolved) since 2014.

Ship Dynamics.

Undergraduate course, National Technical University of Athens, Greece, Spring, 2020.

Taught since 1986.

Theory of Probability and Statistics. Applications in the Sea Environment.

Undergraduate course, National Technical University of Athens, Greece, Fall, 2019.

Taught since 2000.