2007-2008

"Development of a coupled-mode theory for wave-induced ground water pressure and flow in variable bathymetry regions".
Greece-Poland [Athanassoulis-Massel].
Sponsored by the GSRT-Greece.

2003-2005

"Integrated software package "Metocean Toolbox".
Greece-France [Athanassoulis-Prevosto].
Sponsored by the GSRT-Greece.

2000-2002

"Evolution of surface ocean waves in coastal zones. Theoretical analysis, validation and prediction".
Greece-Poland [Athanassoulis-Massel].
Sponsored by the GSRT-Greece.

1998-1999

"Development of new techniques for the prediction of wave conditions in the coastal environment".
Greece-Romania [Athanassoulis-Matulea].
Sponsored by the GSRT-Greece.

1993-1994

"Nonlocal closure conditions for wave equations in exterior domains".
Greece-Israel [Athanassoulis-Givoli].
Sponsored by the GSRT-Greece.

1991-1992

"Theoretical and numerical study of the non-linear wave resistance of ships".
Greece-Bulgaria [Athanassoulis-Kishev].
Sponsored by the GSRT-Greece.

1989-1990

"Theoretical and experimental methods for assessment of seakeeping qualities of ships and floating structures".
Greece-Bulgaria [Athanassoulis-Kishev].
Sponsored by the GSRT-Greece.