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A laboratory experiment and procedure for deterministic validation of numerical wave models.

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Title: A laboratory experiment and procedure for deterministic validation of numerical wave models.
Authors: Lande, Øystein1,2 (AUTHOR) oystelan@gmail.com, Jensen, Atle1,2 (AUTHOR), Johannessen, Thomas B.1,2 (AUTHOR)
Source: Journal of Fluid Mechanics. 6/25/2026, Vol. 1037, p1-35. 35p.
Subjects: Model validation, Water waves, Navier-Stokes equations, Particle image velocimetry
Abstract: We present an experimental dataset of focused dispersive wave groups, specifically designed to validate wave models and assess their capacity to propagate dispersive waves across significant distances in both deep- and shallow-water environments. The steepness of the wave groups varies from low to highly steep configurations, exhibiting pronounced nonlinear behaviours, including wave-breaking phenomena. The experiments were conducted in two distinct basin configurations: a constant-depth (deep water) set-up and a trapezoidal shoal, introducing inhomogeneity from deep- to shallow-water conditions. For selected tests, particle image velocimetry was used to capture kinematic measurements necessary for kinematics and energy assessment. Each test was performed with multiple repetitions to ensure data consistency and reliability. Furthermore, we utilised a Navier–Stokes two-phase flow model to demonstrate the reproducibility of wave groups in the numerical domain with a high degree of accuracy, employing the recorded wave paddle motion from the experiments as the boundary condition. The results were compared against linear wave theory where applicable, and we propose a benchmarking procedure for the systematic assessment and comparison of results across different wave models and varying levels of refinement. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Fluid Mechanics is the property of Cambridge University Press and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 194751967
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: A laboratory experiment and procedure for deterministic validation of numerical wave models.
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  Data: <searchLink fieldCode="AR" term="%22Lande%2C+Øystein%22">Lande, Øystein</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> oystelan@gmail.com</i><br /><searchLink fieldCode="AR" term="%22Jensen%2C+Atle%22">Jensen, Atle</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Johannessen%2C+Thomas+B%2E%22">Johannessen, Thomas B.</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Fluid+Mechanics%22">Journal of Fluid Mechanics</searchLink>. 6/25/2026, Vol. 1037, p1-35. 35p.
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  Data: <searchLink fieldCode="DE" term="%22Model+validation%22">Model validation</searchLink><br /><searchLink fieldCode="DE" term="%22Water+waves%22">Water waves</searchLink><br /><searchLink fieldCode="DE" term="%22Navier-Stokes+equations%22">Navier-Stokes equations</searchLink><br /><searchLink fieldCode="DE" term="%22Particle+image+velocimetry%22">Particle image velocimetry</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: We present an experimental dataset of focused dispersive wave groups, specifically designed to validate wave models and assess their capacity to propagate dispersive waves across significant distances in both deep- and shallow-water environments. The steepness of the wave groups varies from low to highly steep configurations, exhibiting pronounced nonlinear behaviours, including wave-breaking phenomena. The experiments were conducted in two distinct basin configurations: a constant-depth (deep water) set-up and a trapezoidal shoal, introducing inhomogeneity from deep- to shallow-water conditions. For selected tests, particle image velocimetry was used to capture kinematic measurements necessary for kinematics and energy assessment. Each test was performed with multiple repetitions to ensure data consistency and reliability. Furthermore, we utilised a Navier–Stokes two-phase flow model to demonstrate the reproducibility of wave groups in the numerical domain with a high degree of accuracy, employing the recorded wave paddle motion from the experiments as the boundary condition. The results were compared against linear wave theory where applicable, and we propose a benchmarking procedure for the systematic assessment and comparison of results across different wave models and varying levels of refinement. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Fluid Mechanics is the property of Cambridge University Press and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1017/jfm.2026.11658
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      – Code: eng
        Text: English
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        PageCount: 35
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    Subjects:
      – SubjectFull: Model validation
        Type: general
      – SubjectFull: Water waves
        Type: general
      – SubjectFull: Navier-Stokes equations
        Type: general
      – SubjectFull: Particle image velocimetry
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      – TitleFull: A laboratory experiment and procedure for deterministic validation of numerical wave models.
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            NameFull: Lande, Øystein
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              M: 06
              Text: 6/25/2026
              Type: published
              Y: 2026
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