DBPapers
DOI: 10.5593/sgem2012/s14.v3013

VALIDATIONS WITH EXPERIMENTAL DATA OF SWAN SIMULATIONS FOR THE WAVE PROPAGATION IN THE PRESENCE OF STRONG OPOSITE CURRENTS

A. IVAN, L. RUSU S. MACUTA
Wednesday 1 August 2012 by Libadmin2012

References: 12th International Multidisciplinary Scientific GeoConference, www.sgem.org, SGEM2012 Conference Proceedings/ ISSN 1314-2704, June 17-23, 2012, Vol. 3, 1025 - 1032 pp

ABSTRACT

The objective of the present work is to assess the capacity of SWAN to model the wave
propagation and transformation in the presence of strong opposite currents. The
particular area targeted by the present work is the coastal sector at the entrance of the
Danube Delta where such phenomena of wave-current interactions are very relevant.
These can often lead to nearshore hazards since this area is subjected to high navigation
traffic. For this reason, the model simulations were adapted to the wave and current
conditions that are usually characteristic to this environment. Following mainly these
particular conditions, comparisons against experimental results in a wave tank were also
performed. As a further step, the influence of the interactions between waves and
currents corresponding to various conditions was evaluated in terms of spectral shape
patterns and transformations. The results of the present work show that a high resolution
wave modeling system based on the spectrum concept, in particular the SWAN model,
can be successfully used for the evaluation of the interactions between waves and
opposite currents in the coastal zones. As a consequence, such a computational
environment represents a reliable tool for the evaluation of the wave-current interactions
and of the navigation conditions in the coastal sea sector located at the mouths of the
Danube River.

Keywords: wave-current interactions, experiments, wave tank, SWAN, spectral models