Unidirectional nonlinear wave groups with wide spectrum
Experimental and numerical study by using Zakharov equation
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Single waves with high amplitudes, sometimes calledrogue, or killer waves, appear surprisingly on theocean and sea surface. Such waves are very dangerousfor ships and for coastal structures due to theirdestructive high steepness and height. Is thereability to creation of these killer unidirectionalwaves in laboratory channel, in order to future testsof the ships and the coastal structures ability towithstand the impact, was studied. The spatialZakharov equation is applied in the present study.Evolution of unidirectional nonlinear wave groupswith wide spectra was studied experimentally andnumer...
Single waves with high amplitudes, sometimes called
rogue, or killer waves, appear surprisingly on the
ocean and sea surface. Such waves are very dangerous
for ships and for coastal structures due to their
destructive high steepness and height. Is there
ability to creation of these killer unidirectional
waves in laboratory channel, in order to future tests
of the ships and the coastal structures ability to
withstand the impact, was studied. The spatial
Zakharov equation is applied in the present study.
Evolution of unidirectional nonlinear wave groups
with wide spectra was studied experimentally and
numerically. A focusing of an initially wide wave
train that is modulated into a single steep wave at a
prescribed location along the wave channel was
investigated. The experimental study was carried out
in two wave channels: a 330 m long Large Wave Channel
in Hanover, and an 18 m long Tel-Aviv University wave
tank. The study allows concluding that the
unidirectional spatial Zakharov equation can serve as
an effective computational model for description of
evolution along the wave channel of nonlinear wave
fields with no limits on their spectral width.
rogue, or killer waves, appear surprisingly on the
ocean and sea surface. Such waves are very dangerous
for ships and for coastal structures due to their
destructive high steepness and height. Is there
ability to creation of these killer unidirectional
waves in laboratory channel, in order to future tests
of the ships and the coastal structures ability to
withstand the impact, was studied. The spatial
Zakharov equation is applied in the present study.
Evolution of unidirectional nonlinear wave groups
with wide spectra was studied experimentally and
numerically. A focusing of an initially wide wave
train that is modulated into a single steep wave at a
prescribed location along the wave channel was
investigated. The experimental study was carried out
in two wave channels: a 330 m long Large Wave Channel
in Hanover, and an 18 m long Tel-Aviv University wave
tank. The study allows concluding that the
unidirectional spatial Zakharov equation can serve as
an effective computational model for description of
evolution along the wave channel of nonlinear wave
fields with no limits on their spectral width.
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