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You are here: Home / Projects / Impact Forces from Tsunami-driven Debris

Impact Forces from Tsunami-driven Debris


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Project Overview

The objective of this research project is to improve our understanding of, and predictive capabilities for, tsunami-driven debris impact forces on structures. Impact forces specified by current codes and standards are based on rigid body dynamics, while our proposition is that a model that fails to consider the flexibility of the debris results in design forces that are substantially too conservative. We will carry out experiments at NEES@OSU and NEES@Lehigh to improve our understanding of the important physical processes and to develop and validate two numerical models: a simplified model that can be used for design and reliability studies, and a fully 3-D fluid-structure interaction model based on computational fluid dynamics. This simulation-based model will be used to explore complex parameters not included in the simple model, such as 3-D geometry, impact angle, and 3-D fluid flow.

tsunami1

tsunami2

Link to Videos

Participants

Principal Investigator

  • Ronald Riggs – University of Hawaii

Co-Principal Investigators

  • Daniel T Cox – Oregon State University
  • Marcelo Kobayashi – University of Hawaii
  • Clay J Naito – Lehigh University

Sponsors

  • National Science Foundation (NSF)

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[site map] Copyright © 2017 · All Rights Reserved · Lehigh University · The Lehigh NHERI Experimental Facility is supported by a grant from the National Science Foundation (#1520765). Disclaimer: Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the NSF.