The University of Southampton
University of Southampton Institutional Repository

Measuring wave impact induced pressures with a pressure mapping system

Measuring wave impact induced pressures with a pressure mapping system
Measuring wave impact induced pressures with a pressure mapping system
The use of a pressure mapping system for measuring wave impact induced pressures is evaluated in this paper. A set-up and a calibration methodology are suggested and employed for this work. The system is validated against pressure transducer and load cell measurements and for a range of waves breaking on a vertical seawall. For a large number (120 measurements for each case considered) of breaking and broken waves interacting with the wall, the peak pressure (Ppeak) profiles and the pressure distribution maps reported by the system agree well with results acquired using pressure transducers. Although the pressure mapping system tends to underestimate Ppeak, differences on the mean of the 3, 5 and 10 highest Ppeak rangewithin±10%, while for the majority of the measurements the error on the integral of the acting pressures (the acting force compared with the force measured by the load cell) ranges within ±20%. It is concluded, that through careful calibration and set-up the pressure mapping system has the capacity to provide pressure distribution maps with a good accuracy. It is not, however, considered to constitute the absolute alternative to pressure transducers and thus a combined use is suggested for applications where a very high level of accuracy is required.
0378-3839
44-56
Stagonas, Dimitris
8d787400-2563-426d-893f-f0dcf5b7ab5b
Marzeddu, Andrea
b5318960-4fb1-474b-8323-5f57b72a0f1b
Cobos, Francec Xavier Gironella I.
f0c36175-c29e-4c37-9e51-ed3d1e8bff9e
Sanchez-Arcilla Conejo, Agustin
33829435-b2a9-492a-9081-cd0aa5e7adfa
Muller, Gerald
f1a988fc-3bde-429e-83e2-041e9792bfd9
Stagonas, Dimitris
8d787400-2563-426d-893f-f0dcf5b7ab5b
Marzeddu, Andrea
b5318960-4fb1-474b-8323-5f57b72a0f1b
Cobos, Francec Xavier Gironella I.
f0c36175-c29e-4c37-9e51-ed3d1e8bff9e
Sanchez-Arcilla Conejo, Agustin
33829435-b2a9-492a-9081-cd0aa5e7adfa
Muller, Gerald
f1a988fc-3bde-429e-83e2-041e9792bfd9

Stagonas, Dimitris, Marzeddu, Andrea, Cobos, Francec Xavier Gironella I., Sanchez-Arcilla Conejo, Agustin and Muller, Gerald (2016) Measuring wave impact induced pressures with a pressure mapping system. Coastal Engineering, 112, 44-56. (doi:10.1016/j.coastaleng.2016.03.003).

Record type: Article

Abstract

The use of a pressure mapping system for measuring wave impact induced pressures is evaluated in this paper. A set-up and a calibration methodology are suggested and employed for this work. The system is validated against pressure transducer and load cell measurements and for a range of waves breaking on a vertical seawall. For a large number (120 measurements for each case considered) of breaking and broken waves interacting with the wall, the peak pressure (Ppeak) profiles and the pressure distribution maps reported by the system agree well with results acquired using pressure transducers. Although the pressure mapping system tends to underestimate Ppeak, differences on the mean of the 3, 5 and 10 highest Ppeak rangewithin±10%, while for the majority of the measurements the error on the integral of the acting pressures (the acting force compared with the force measured by the load cell) ranges within ±20%. It is concluded, that through careful calibration and set-up the pressure mapping system has the capacity to provide pressure distribution maps with a good accuracy. It is not, however, considered to constitute the absolute alternative to pressure transducers and thus a combined use is suggested for applications where a very high level of accuracy is required.

Full text not available from this repository.

More information

Accepted/In Press date: 7 March 2016
e-pub ahead of print date: 31 March 2016
Published date: June 2016
Organisations: Water & Environmental Engineering Group

Identifiers

Local EPrints ID: 408734
URI: https://eprints.soton.ac.uk/id/eprint/408734
ISSN: 0378-3839
PURE UUID: 91a289c8-820f-4cd9-b2e5-a7787fd5e7e6

Catalogue record

Date deposited: 27 May 2017 04:02
Last modified: 13 Mar 2019 19:58

Export record

Altmetrics

Download statistics

Downloads from ePrints over the past year. Other digital versions may also be available to download e.g. from the publisher's website.

View more statistics

Atom RSS 1.0 RSS 2.0

Contact ePrints Soton: eprints@soton.ac.uk

ePrints Soton supports OAI 2.0 with a base URL of https://eprints.soton.ac.uk/cgi/oai2

This repository has been built using EPrints software, developed at the University of Southampton, but available to everyone to use.

We use cookies to ensure that we give you the best experience on our website. If you continue without changing your settings, we will assume that you are happy to receive cookies on the University of Southampton website.

×