ON THE IMPORTANCE OF CONSIDERING MULTIPLE SEASTATE REALIZATIONS WHEN ESTIMATING DESIGN LOADS IN MULTI-DIRECTIONAL SHALLOW-WATER WAVES

Andrew Cornett; Scott Baker

doi:10.9753/icce.v36v.management.46

No 36v (2020), Coastal Management, Environment, and Risk

No 36v (2020)

ON THE IMPORTANCE OF CONSIDERING MULTIPLE SEASTATE REALIZATIONS WHEN ESTIMATING DESIGN LOADS IN MULTI-DIRECTIONAL SHALLOW-WATER WAVES

Coastal Management, Environment, and Risk

https://doi.org/10.9753/icce.v36v.management.46

Published December 28, 2020

Andrew Cornett⁺⁻
Scott Baker⁺⁻

Andrew Cornett

Scott Baker

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How to Cite

Cornett, A., & Baker, S. (2020). ON THE IMPORTANCE OF CONSIDERING MULTIPLE SEASTATE REALIZATIONS WHEN ESTIMATING DESIGN LOADS IN MULTI-DIRECTIONAL SHALLOW-WATER WAVES. Coastal Engineering Proceedings, (36v), management.46. https://doi.org/10.9753/icce.v36v.management.46

Abstract

The objectives of this work are to close some of the knowledge gaps facing designers tasked with designing new offshore structures or upgrading older structures located in shallow waters and exposed to energetic multi-directional waves generated by passing hurricanes or cyclones. This will be accomplished by first investigating and characterizing the natural variability of the maximum wave heights and crest elevations found in multiple 2-hour long realizations of several short-crested shallow-water near-breaking seastates. Following this, the variability and repeatability of peak pressures and peak loads exerted on a 1/35 scale model of a gravity-based offshore structure are explored. The analysis focuses on establishing extreme value distributions for each realization, quantifying their variability, and exploring how the variability is diminished when results from multiple seastate realizations and repeated tests are combined. The importance of considering multiple realizations of a design wave condition when estimating peak values for use in design is investigated and highlighted.

Recorded Presentation from the vICCE (YouTube Link): https://youtu.be/16bCsMd0OMc

https://doi.org/10.9753/icce.v36v.management.46

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References

Baker, Collins, Cornett, McLaren (2019): Physical modelling of extreme wave interaction with an offshore terminal, Proc. Coastal Structures 2019, Hannover

Cornett, Anglin, Elliott (2013): Wave-in-deck loads for an intricate pile-supported pier and variation with deck clearance, Proc. OMAE2013 (Paper 11409), Nantes

Huang, Spencer, Oberlies, Watts, Xiao (2017) Wave impact experiment of a GBS model in large waves, Proc. OMAE2017 (Paper 61473), Trondheim

Taylor, Garber, Collins, Baker, Cornett (2020): Extreme shallow water waves in dredged areas for directional seastates, Proc. 2020 Virtual ICCE.

This work is licensed under a Creative Commons Attribution 4.0 International License.

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ON THE IMPORTANCE OF CONSIDERING MULTIPLE SEASTATE REALIZATIONS WHEN ESTIMATING DESIGN LOADS IN MULTI-DIRECTIONAL SHALLOW-WATER WAVES

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