3D stereo imaging of abnormal waves in a wave basin

Kento Mozumi, Takuji Waseda, Amin Chabchoub

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

8 Citations (Scopus)

Abstract

This paper proposes a new method to measure the wave surface elevation in a wave basin. The Direct Linear Transformation (DLT) method is employed in the 3D reconstruction of the free surface marked by an array of floats attached to a flexible net. The method is coined the Marker-Net method (MNM). Experiments were conducted in a large basin to validate the proposed method. Regular wave records are compared against wave wire measurements to quantify the accuracy of the estimation based on the MNM. To demonstrate the advantage of the MNM over conventional techniques used in the tank, a set of experiments based on analytical solutions of the 2D+T nonlinear Schrodinger equations were conducted. The MNM reconstruction of the free surface revealed propagation of an oblique structure, which is difficult to visualize otherwise.

Original languageEnglish
Title of host publicationStructures, Safety and Reliability
PublisherAmerican Society of Mechanical Engineers (ASME)
Volume3
ISBN (Electronic)9780791856499
DOIs
Publication statusPublished - 2015
MoE publication typeA4 Article in a conference publication
EventInternational Conference on Ocean, Offshore and Arctic Engineering - St. John’s, Canada
Duration: 31 May 20155 Jun 2015
Conference number: 35

Conference

ConferenceInternational Conference on Ocean, Offshore and Arctic Engineering
Abbreviated titleOMAE
CountryCanada
CitySt. John’s
Period31/05/201505/06/2015

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