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NEES Project Warehouse

Determining the Added Hazard Potential of Tsunamis by Interaction with Ocean Swell and Wind Waves
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Complete - 03/15/2013

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Experiment-4: EXP2-Tsunami-Swell_1 - Random swell with peak period of 2 s, significant waveheight of 5 cm, and tsunami mid-time series: Measurements of free surface elevation and near bottom velocities
Experiment Type: Tsunami Wave Basin
Description: This experiment investigated the interaction of a tsunami with a swell with a significant waveheight of 5cm and a peak period of 2 seconds. Due to the small waveheight and short wave period, the evolution of the wavefield was expected to be subdued relative to cases with higher waveheights (small Ursell number); additionally, the short wave period would limit depth-induced transformation to a short span of the wave tank. This case would thus be useful as a way of contrasting these nonlinear interactions from those with either higher steepness or higher Ursell number (higher nonlinearity). The tsunami was inserted into the middle of the drive signal for the swell condition, thus allowing for interaction between incoming swell and reflected tsunami conditions.
Dates: March 08, 2010 - March 19, 2010
Facility: Oregon State University, OR, United States
Equipment: View Details
Specimen Type:
Trial ( ? ) Repetition ( ? ) Interactive ( ? ) UnprocessedConvertedCorrectedDerived
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Tags (keywords):
  1. Random swell
  2. tsunami
  3. free surface measurements
  4. near-bottom velocities
  5. reflection