Propagation and breaking of waves in the coastal zone. Turbulent flow and sediment transport in the costal zone. Numerical simulation based on LES, RANS, Boussinesq or Mild Slope Equation. Laboratory measurements in the Wave Basin.

Recent Publications:

• Dimas, A.A., and Kolokythas, G.A., 2009. “Reynolds Number Effect on Spatial Development of Viscous Flow Induced by Wave Propagation Over Bed Ripples”. In Advances in Environmental Fluid Mechanics. Editors: Dragutin T. Mihailovic and Carlo Gualtieri. World Scientific, London, New York, Singapore, to appear.
• Dimas, A.A., and Dimakopoulos, A.S., 2009. “A Surface-Roller Model for the Numerical Simulation of Spilling Wave Breaking Over Constant Slope Beach”. J. Waterway, Port, Coastal, and Ocean Engineering (ASCE), accepted.
• Dimas, A.A., 2008. “Discussion on the Numerical Simulation of Wave-Induced Laminar Boundary Layers”. Coastal Engineering, 55, 1243-1244.
• Dimas, A.A., 2007. “Large-Wave Simulation of Microscale Breaking Waves Induced by a Free-Surface Drift Layer”. Wave Motion, 44, 355-370.
• Dimas, A.A., and Fialkowski, L.T., 2000. “Large-Wave Simulation (LWS) of Free-Surface Flows Developing Weak Spilling Breaking Waves”. J. Computational Physics, 159, 172-196.

Projects:

• 2013-2017: SEDITRANS – Sediment transport in fluvial, estuarine and coastal environment
• 2012-2015: SIMUCOAST – High Performance Computing for Three-Dimensional Simulation of Coastal Processes
• 2008-2009: Investigation of potential impact, especially on sediment transport, due to aggregate extraction from five semi-mountainous streams.
• 2007-2008: Numerical simulation of waves, wave-generated currents and sediment transport along the western shore of Grand Resort Lagonissi complex.
• 2005-2009: Numerical prediction of waves, currents and environmental transport parameters in the coastal and offshore zone of the Old and New Patras Harbor.
• 2005-2007: Numerical simulation and experimental validation of turbulent flow induced by waves in a coastal zone with wavy bed morphology
• 2003-2006: Simulation of breaking waves in the coastal zone.