A critical assessment of PIV-based pressure reconstruction in water-entry problems

Simonluca Russo, Mohammad Jalalisendi, Giacomo Falcucci, Maurizio Porfiri

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Hull slamming constitutes an important class of impulsive loading for marine composites. In this work, we experimentally assess the effectiveness of particle image velocimetry (PIV) to resolve the flow physics and infer the pressure distribution in water entry problems. Toward this aim, PIV experiments are performed on a rigid wedge with a deadrise angle of 37° symmetrically impacting the water surface by free falling from a height of 50 cm. PIV measurements are systematically compared with data from an array of sensors, such as potentiometer, accelerometers, and pressure transducers. In the first part of our assessment, we compare the wedge entry depth and velocity obtained through PIV with the results obtained from the potentiometer and accelerometers. Next, we compare the reconstructed pressure and force from PIV with data from pressure transducers and accelerometers. Our results demonstrate the feasibility of PIV in the study of water entry problems, highlighting critical advantages of this non-invasive approach.

Original languageEnglish (US)
Title of host publicationInternational Conference of Numerical Analysis and Applied Mathematics, ICNAAM 2017
PublisherAmerican Institute of Physics Inc.
Volume1978
ISBN (Electronic)9780735416901
DOIs
StatePublished - Jul 10 2018
EventInternational Conference of Numerical Analysis and Applied Mathematics, ICNAAM 2017 - Thessaloniki, Greece
Duration: Sep 25 2017Sep 30 2017

Other

OtherInternational Conference of Numerical Analysis and Applied Mathematics, ICNAAM 2017
CountryGreece
CityThessaloniki
Period9/25/179/30/17

Fingerprint

particle image velocimetry
entry
accelerometers
water
pressure sensors
wedges
slamming
transducers
surface water
pressure distribution
falling
physics
composite materials
sensors

Keywords

  • Fluid-structure interaction
  • Hull slamming
  • Hydrodynamic loading
  • Particle image velocimetry
  • Pressure reconstruction

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Russo, S., Jalalisendi, M., Falcucci, G., & Porfiri, M. (2018). A critical assessment of PIV-based pressure reconstruction in water-entry problems. In International Conference of Numerical Analysis and Applied Mathematics, ICNAAM 2017 (Vol. 1978). [420012] American Institute of Physics Inc.. https://doi.org/10.1063/1.5044015

A critical assessment of PIV-based pressure reconstruction in water-entry problems. / Russo, Simonluca; Jalalisendi, Mohammad; Falcucci, Giacomo; Porfiri, Maurizio.

International Conference of Numerical Analysis and Applied Mathematics, ICNAAM 2017. Vol. 1978 American Institute of Physics Inc., 2018. 420012.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Russo, S, Jalalisendi, M, Falcucci, G & Porfiri, M 2018, A critical assessment of PIV-based pressure reconstruction in water-entry problems. in International Conference of Numerical Analysis and Applied Mathematics, ICNAAM 2017. vol. 1978, 420012, American Institute of Physics Inc., International Conference of Numerical Analysis and Applied Mathematics, ICNAAM 2017, Thessaloniki, Greece, 9/25/17. https://doi.org/10.1063/1.5044015
Russo S, Jalalisendi M, Falcucci G, Porfiri M. A critical assessment of PIV-based pressure reconstruction in water-entry problems. In International Conference of Numerical Analysis and Applied Mathematics, ICNAAM 2017. Vol. 1978. American Institute of Physics Inc. 2018. 420012 https://doi.org/10.1063/1.5044015
Russo, Simonluca ; Jalalisendi, Mohammad ; Falcucci, Giacomo ; Porfiri, Maurizio. / A critical assessment of PIV-based pressure reconstruction in water-entry problems. International Conference of Numerical Analysis and Applied Mathematics, ICNAAM 2017. Vol. 1978 American Institute of Physics Inc., 2018.
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