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Seminar: Flood and Erosion Hazard Mitigation for North Shore, O’ahu

https://hawaii.zoom.us/j/93596087383

Jonathan Chapman, John Melve & Andrew Storey Graduate Students Department of Ocean and Resources Engineering School of Ocean and Earth Science and Technology University of Hawaiʻi at Mānoa Zoom Meeting Link: Meeting ID: 935 9608 7383 Passcode: OREseminar https://hawaii.zoom.us/j/93596087383 The ORE 783 Capstone Design course invited detailed proposals from engineering students for FEL-1 and -2 level studies. The aim is to assess technical, economic, and regulatory feasibility of engineering measures that can reduce flood and erosion hazards on Oʻahu’s North Shore while taking into consideration climate change. We present three preliminary design solutions to mitigate three respective challenges experienced along

Seminar: The Resilient and Sustainable Engineering (RiSE) Team at Oceanit and Combatting Hawai’i Shoreline Erosion

Holmes 247 2540 Dole Street, Honolulu, HI, United States

Dr. Michael Foley Senior Coastal Engineer, Principal Investigator, & Project Manager Resilient and Sustainable Engineering Team Oceanit Location Information: **this seminar will be held both in person (Holmes Hall 247) and over Zoom** Meeting ID: 960 4654 5799 Passcode: OREseminar https://hawaii.zoom.us/j/96046545799 Dr. Michael Foley is a senior coastal engineer, principal investigator, and project manager for the Resilient and Sustainable Engineering (RiSE) team at Oceanit. He has worked on a diverse range of projects including beach restoration, artificial reefs, shoreline erosion, harbor protection, flood risk evaluation/mitigation, and repair of coastal structures, drainage systems and reservoirs/dams. His practice aims to design and

MS Plan A Defense: Seasonal wave climate anomalies on the North Shore indicative of erosion conditions

https://hawaii.zoom.us/j/98606638344

Andrew Storey Master’s Student Department of Ocean and Resources Engineering University of Hawaiʻi at Mānoa Zoom Meeting Link Meeting ID: 986 0663 8344 Passcode: ORE https://hawaii.zoom.us/j/98606638344 Sea level rise and seasonal wave climate have beset the Sunset Beach shoreline community with several episodic erosion events that have impacted local infrastructure. In support of the local community, the US Army Corps of Engineers (USACE) Honolulu District has employed a series of remote sensing technologies at Sunset Beach to generate a regional sediment budget to better inform the community of their situation. The objective of this study is to explain the more

Seminar: Towards an Operational Dispersive Nearshore Wave Model for Assessment of Coastal Flooding

Holmes 247 2540 Dole Street, Honolulu, HI, United States

Fatima-Zahra Mihami & Dr. Volker Roeber PhD Student, E2S Chair HPC-Waves Université de Pau et des Pays de l'Adour, France Location Information: **this seminar will be held both in person (Holmes Hall 247) and over Zoom** Meeting ID: 960 4654 5799 Passcode: OREseminar https://hawaii.zoom.us/j/96046545799 This will be a joint seminar between ORE and CIMAR. Quantitative assessments of wave-driven run-up and inundation scenarios have been of high interest for coastal residents, engineers, emergency managers, and scientists. Computational approaches of coastal flooding from waves only have been widely based on empirical formulations but nowadays make increasingly use of numerical models. Due to

Seminar: Rapid Resilient Reefs for Coastal Defense (R3D)

Watanabe 112 2505 Correa Rd, Honolulu, HI, United States

Dr. Ben Jones Director of Ocean Science and Technology Applied Research Laboratory (ARL), University of Hawai‘i Location Information **this seminar will be held both in person (Watanabe Hall 112) and over Zoom** Meeting ID: 961 6222 2366 Passcode: OREseminar https://hawaii.zoom.us/j/96162222366 In June of 2022, five laboratories at the University of Hawai‘i (UH) began an ambitious effort to engineer a living coral reef designed to protect coastlines from storms and sea-level rise. Led by the Applied Research Laboratory, Rapid Resilient Reefs for coastal Defense (R3D) is a collaboration between UH, the University of California San Diego, Florida Atlantic University and Makai

Seminar: AI-enabled Earth Observation for Coastal Resilience

Dr. Roger Wang Assistant Professor Civil and Environmental Engineering Rutgers School of Engineering Location Information **This seminar will be held over Zoom** Meeting ID: 961 6222 2366 Passcode: OREseminar https://hawaii.zoom.us/j/9616222236   In the big data era, do you often feel the opposite: I need more data for my research? As data science and data-driven algorithms emerge, there is an opportunity to develop and apply new methods of data mining from unconventional data sources. In this talk, I will show a few examples from my lab related to coastal resilience. In these examples, AI can extract valuable and unprecedented quality data

Seminar: Using Distributed Acoustic Sensing to observe surface gravity waves and nearshore processes

Watanabe 112 2505 Correa Rd, Honolulu, HI, United States

Dr. Hannah Glover, Postdoctoral Scholar Dr. Meagan Wengrove, Assistant Professor of Coastal Engineering  College of Engineering, School of Civil and Construction Engineering Oregon State University| Location Information **This seminar will be held both in person (Watanabe Hall 112) and over Zoom** Meeting ID: 961 6222 2366 Passcode: OREseminar https://hawaii.zoom.us/j/96162222366 Distributed acoustic sensing (DAS) uses an interrogator to send pulses of laser light down fiber optic telecommunications cables. The coherent backscattered return of light from impurities in the manufactured glass to the interrogator can be used to sense environmental signal. Phase shifts in the backscattered light are directly related to cable

Three-phase flow simulation of beach erosion induced by breaking tsunami-like waves

Watanabe 112 2505 Correa Rd, Honolulu, HI, United States

Shijie Huang, PhD Candidate Department of Ocean and Resources Engineering University of Hawaiʻi at Mānoa Location Information **This seminar will be held both in person (Watanabe Hall 112) and over Zoom** Meeting ID: 961 6222 2366 Passcode: OREseminar https://hawaii.zoom.us/j/96162222366 Devastating tsunami waves can mobilize a substantial amount of coastal sediments, causing significant morphological changes to the coastline. To understand the underlying hydrodynamics and sediment transport mechanisms associated with tsunami waves, a three-phase (air, water, and sediment) flow Computational Fluid Dynamics (CFD) model based on OpenFOAM was used to simulate the beach erosion induced by breaking tsunami-like waves. In this talk,

Experimental and numerical investigation on the runup of leading-depression N-waves

Zoom Meeting ID: 961 6222 2366 Passcode: OREseminar

Dr. Peter Lo, Assistant Professor Department of Engineering Science and Ocean Engineering National Taiwan University Location Information **This seminar will be held over Zoom only** Meeting ID: 961 6222 2366 Passcode: OREseminar https://hawaii.zoom.us/j/96162222366 Solitary waves, widely used benchmark waves in hydrodynamic studies, had historically been implied as a suitable wave form for tsunamis. However, modern tsunami records reveal solitary waves to be an inaccurate model for real tsunamis. For example, before the arrival of a tsunami at shore, a significant recession of water is often observed. Solitary waves are incapable of capturing this drawdown phenomenon, and the leading-depression N-waves (LDNs)

The effect of water wave conditions and geometrical parameters of a fixed Oscillating Water Column Wave Energy Converter on its hydrodynamic performance

Watanabe 112 2505 Correa Rd, Honolulu, HI, United States

Dr. Ayrton Alfonso Medina Rodriguez Postdoctoral Researcher Applied Research Laboratory and Department of Ocean and Resources Engineering University of Hawaiʻi at Mānoa Location Information **This seminar will be held both in person (Watanabe Hall 112) and over Zoom** Meeting ID: 961 6222 2366 Passcode: OREseminar https://hawaii.zoom.us/j/96162222366 In order to achieve maximum pneumatic power in an Oscillating Water Column (OWC) device, it is crucial for the chamber to operate as close to the resonance condition as possible. This means that the frequency of the incident wave must match the resonant frequency of the converter. This resonant frequency is influenced not only

Seminar: A Numerical Study of Effects of Perforation Layouts on Wave Energy Dissipation Caused by a Submerged Perforated Breakwater in Front of a Vertical Seawall

Bilger Hall 150 2545 McCarthy Mall, Honolulu, HI, United States

Brady Halvorson Ph.D. Student Department of Ocean and Resources Engineering University of Hawai’i at Mānoa Location Information **This seminar will be held both in person (Bilger Hall 150) and over Zoom** https://hawaii.zoom.us/j/95081858686 Meeting ID: 950 8185 8686 Passcode: OREseminar Perforated structures are a promising alternative to standard sea walls and breakwaters for dissipating wave energy and protecting coastlines. Perforated marine structures can effectively remove wave energy from ocean waves by the energy loss associated with the flow through the perforations in the structure. Understanding the factors that may affect the hydrodynamic characteristics of flow through a perforated plate is important

Seminar: Sea Engineering’s Specializations and Projects Throughout the Pacific

Bilger Hall 150 2545 McCarthy Mall, Honolulu, HI, United States

Chis Conger Vice President of Sea Engineering Director of Engineering Division at Sea Engineering Location Information **This seminar will be held both in person (Bilger Hall 150) and over Zoom** https://hawaii.zoom.us/j/95081858686 Meeting ID: 950 8185 8686 Passcode: OREseminar Sea Engineering, Inc. (SEI) was founded in 1973 by University of Hawai‘i graduate students to provide marine-related engineering, construction, and diving services locally and throughout the broader Pacific Basin. SEI, homebased in Hawai‘i, has 50 years of experience working on coastal, marine, and waterfront projects in the Hawaiian Islands, as well as Guam, Diego Garcia, and CNMI. Our core services include geophysical