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CFD and Acoustical Analyses for Coastal Highway Erosion

[+] Author Affiliations
Ning Zhang, Zhuang Li, Stanley Klemetson, Saikiran Yadagiri

McNeese State University, Lake Charles, LA

Paper No. IMECE2010-37142, pp. 223-227; 5 pages
doi:10.1115/IMECE2010-37142
From:
  • ASME 2010 International Mechanical Engineering Congress and Exposition
  • Volume 13: Sound, Vibration and Design
  • Vancouver, British Columbia, Canada, November 12–18, 2010
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-4450-2
  • Copyright © 2010 by ASME

abstract

Highway 82 is located along the Gulf of Mexico and provides one of the barriers to flood damage from wave action that occurs normally along the coastal shoreline and as a result of wave surges during stormy weather and hurricanes. When the waves break over the top of Highway 82 form the south, significant erosion damage will occur on the north side of the road instead, often resulting in destruction of the shoulder and the roadway that it supports. This results in significant maintenance cost for the State of Louisiana, loss of vital access to the coastline, and destruction of the protective barrier necessary to protect the residences and uses of the land along the Gulf of Mexico. The CFD and acoustical analyses were performed to evaluate the erosion resistance of a design configuration. The CFD simulations were conducted to investigate the weather and wave conditions and the impact on the shoulder erosion. The in-situ pressure data were recorded at several locations on and downstream of the north-side shoulder, and acoustical analyses were conducted to investigate the acoustic characteristics associated with the weather and wave conditions.

Copyright © 2010 by ASME

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