Wave Dissipation Mechanisms in Spectral Phase-Resolved Nonlinear Wave Models

Kaihatu, James M.; Ardani, Samira; Goertz, J.; Venkattaramanan, Aravinda; Sheremet, A.

doi:10.1142/9789813231283_0007

Cited by 3 publications

(2 citation statements)

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“…The HWRL EF assisted with LiDAR (Laser Scanner) to provide highly resolved bathymetric conditions for interpretation of hydrodynamic conditions and for numerical modeling. Researchers used optical measurement techniques (i.e., Particle Tracking and Particle Image Velocimetry-PTV and PIV) to capture the flow around the two islands (Lynett et al, 2019), and used novel techniques to measure the run-up around the island (Kaihatu et al, 2018;Han et al, 2020). These experiments generated a detailed data set for the calibration of an open source code based on the extended Boussinesq equations for interactive and real-time wave simulation (Lynett, 2016).…”

Section: Example Research Projects For Nheri 2016-2019mentioning

confidence: 99%

Building Resilient Coastal Communities: The NHERI Experimental Facility for Surge, Wave, and Tsunami Hazards

Lomónaco

Cox

Higgins

et al. 2020

Front. Built Environ.

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Section: Example Research Projects For Nheri 2016-2019mentioning

confidence: 99%

Building Resilient Coastal Communities: The NHERI Experimental Facility for Surge, Wave, and Tsunami Hazards

Lomónaco

Cox

Higgins

et al. 2020

Front. Built Environ.

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“…According to , F = 1.0 determines that there is no dependence on frequency for dissipation, while F = 0 leads to an f 2 n dependency for dissipation. Later, Kaihatu et al (2018) indicated that the value of F may be affected by truncating the modeled frequency components below the Nyquist limit. In this study, the frequency dependency parameter for all laboratory and field tests was chosen to be F = 0 to have the full dependency of dissipation to frequency.…”

Section: Mathematical Derivation Of the Model In Frequency Domainmentioning

confidence: 99%

A Model in Frequency Domain for Transformation of Fully Dispersive Nonlinear Waves

Ardani¹,

Kaihatu²

2018

Int. Conf. Coastal. Eng.

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In this study, mathematical derivation and numerical verification of a wave transformation model in frequency domain is discussed. This wave model is fully dispersive and nonlinear; and is derived based on the WKB assumptions. Transforming the problem into the frequency domain and using multiple scale analysis in space and perturbation theory, the model is expanded up to second order in wave steepness. This fully dispersive nonlinear wave model is a set of evolution equations which explicitly contains quadratic near-resonant interactions. The comparison between the presented model, the existing fully dispersive model and a nearshore model with different set of laboratory and field data shows that the presented model provides significant improvements particularly at higher frequencies.

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Evolution of high frequency waves in shoaling and breaking wave spectra

Ardani

Kaihatu

2019

Physics of Fluids

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Mathematical derivation and numerical verification of a wave transformation model in the frequency domain are discussed. The model is a fully dispersive nonlinear wave model and is derived based on the boundary value problem. Transforming the problem in the frequency domain and using multiple scale analysis in space and perturbation theory, the model is expanded up to second order in wave steepness. This fully dispersive nonlinear wave model is a set of evolution equations which explicitly contains quadratic near-resonant interactions. The comparison between the presented model, the existing fully dispersive model, and a nearshore model with different sets of laboratory and field data shows that the presented model provides significant improvements particularly at higher frequency.

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Wave Dissipation Mechanisms in Spectral Phase-Resolved Nonlinear Wave Models

Cited by 3 publications

References 0 publications

Building Resilient Coastal Communities: The NHERI Experimental Facility for Surge, Wave, and Tsunami Hazards

Building Resilient Coastal Communities: The NHERI Experimental Facility for Surge, Wave, and Tsunami Hazards

A Model in Frequency Domain for Transformation of Fully Dispersive Nonlinear Waves

Evolution of high frequency waves in shoaling and breaking wave spectra

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