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fluid dynamics
Latest Past Events
MS Plan B Defense: Viscous Damping Determination For Dynamic Modelling Improvement Of A Floating Oscillating Surge Wave Energy Converter (FOSWEC)
Holmes 287 2540 Dole Street, HonoluluJesse Gray Master’s Student Department of Ocean and Resources Engineering University of Hawai’i at Mānoa **This defense will be held both in person (Holmes 287) and over Zoom** Meeting ID: 941 6465 8935 Passcode: JesseMS https://hawaii.zoom.us/j/94164658935 Wave energy converters (WEC) have not yet converged on an optimal archetype due to varying and unsteady design challenges of the ocean environment. Computational Fluid Dynamics (CFD) can provide necessary characterization of hydrodynamic parameters for WEC devices, but different CFD methods can vary in accuracy and required computational capacity. OrcaFlex, a dynamic analysis software for offshore marine systems, utilizes the Boundary Element Method (BEM)
Experimental and numerical investigation on the runup of leading-depression N-waves
Zoom Meeting ID: 961 6222 2366 Passcode: OREseminarDr. 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)
Seminar: Understanding the Fundamentals of Vortex-induced Vibrations: Research Past, Present and Future
Deniz Gedikli, PhD Assistant Professor Ocean and Resources Engineering Department, University of Hawaii at Manoa Figure 1: Example offshore platforms that undergo VIV The canonical problem of fluid flow across an elastically mounted circular cylinder has been a widely studied problem in fluid mechanics due to the ubiquitous nature of the simple geometry in engineering applications and the resulting complexity of the fluid-structure interaction. In many engineering design and operation applications, it is advantageous to be able to predict fluid-structure interactions such as self-limiting vortex-induced vibrations, since these vibrations can strongly affect fatigue life or operational downtime in a variety