Validation of Mathematical Modeling of Wave Overtopping on Dykes

Niemeyer, Hanz D.; Schulz, Dirk; Kaiser, Ralf; Möller, Janine; Schüttrumpf, Holger; Pullen, Tim; Gent, Marcel van

doi:10.1142/9789812791306_0057

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History Of Dike Construction1

Design Wave Run-up and Layout Of The Structure1

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2007

2017

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Cited by 2 publications

(2 citation statements)

References 7 publications

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“…Knowing the challenging and dangers surrounding the dikes, the required engineering steps to counter failures have developed since the 18th century. The first book described the construction requirements had published by Albert Brahms (1692-1758) and still consid-ered as the reference until now [13].…”

Section: History Of Dike Constructionmentioning

confidence: 99%

Literature Review for the Development of Dike’s Breach Channel Mechanism Caused by Erosion Processes During Overtopping Failure

Hassan¹,

Ismail²

2017

Eng. herit. j.

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Section: History Of Dike Constructionmentioning

confidence: 99%

Literature Review for the Development of Dike’s Breach Channel Mechanism Caused by Erosion Processes During Overtopping Failure

Hassan¹,

Ismail²

2017

Eng. herit. j.

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“…A roughness element (γ f ) of 0.9 is assigned to dikes covered with grass, as it occurs in this case. An equivalent slope (tan α = 0.109) for determining the wave run-up was defined following the approach proposed by Niemeyer et al [12]. The influence factor for the angle of wave attack is defined on the basis of an empiric relation presented in the EAK report (2002) [4]:…”

Section: Design Wave Run-up and Layout Of The Structurementioning

confidence: 99%

Design parameters for coastal dikes

Loffredo

Schulz²,

Wilkens

2007

Environ Fluid Mech

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This paper presents results of the assessment of the design parameters leading to the definition of the crest level of a coastal dike along the German North Sea. Procedures to estimate the design water level have been proposed, distinguishing between comparative and single value procedures. The transformation of the wave characteristics from deep water towards the shallow foreshore was achieved through the application of a spectral wave model. To improve the wave parameter estimations, the existing model was nested to a grid with a higher resolution closer to the coast. The estimation of the wave run-up followed the Dutch procedure with some adjustments to the local wave characteristics and dike geometry. The computed maximum crest level of 8.4 m is below the crest height of the existing dike, which is 8.8 m. However a proposal for a more economical design should be carefully evaluated, paying attention to the uncertainties encountered in this research. The general recommendation is to enhance the reliability of the hindcasted wave parameters through calibration and validation of the wave model and to include in the design process an investigation of the effect of the medium term morphological developments.

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Validation of Mathematical Modeling of Wave Overtopping on Dykes

Cited by 2 publications

References 7 publications

Literature Review for the Development of Dike’s Breach Channel Mechanism Caused by Erosion Processes During Overtopping Failure

Literature Review for the Development of Dike’s Breach Channel Mechanism Caused by Erosion Processes During Overtopping Failure

Design parameters for coastal dikes

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