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A PIV-based method for estimating slamming loads during water entry of rigid bodies

Alexandru Nila (UGent) , S Vanlanduit, S Vepa and Wim Van Paepegem (UGent)
(2013) MEASUREMENT SCIENCE AND TECHNOLOGY. 24(4).
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Abstract
Hydrodynamic impact of bodies onto the water surface is a problem of great importance in the design of off-shore and naval structures (wave energy converters, off-shore platforms, highspeed boats, etc). Classical measurement techniques, namely pressure sensors, present major drawbacks in the determination of impact loads because of their intrusive nature. In this paper, we propose a method to determine the impact loads on rigid bodies during water entry, based on high-speed particle image velocimetry. The method consists of two steps: firstly, an automated procedure is developed to determine the velocity field from high-speed images during water impact. Secondly, the unsteady pressure field is estimated from the velocity fields, using a Poisson-based solver. The method is validated on a rigid wedge slamming experiment and the results are compared with results from computational fluid dynamics simulations (performed with the software LS-Dyna) and from the literature.
Keywords
IMPACT, WEDGE, SECTIONS, SURFACE, FLOW, FLUID, water entry, slamming loads, PIV, pressure reconstruction

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MLA
Nila, Alexandru, et al. “A PIV-Based Method for Estimating Slamming Loads during Water Entry of Rigid Bodies.” MEASUREMENT SCIENCE AND TECHNOLOGY, vol. 24, no. 4, IOP PUBLISHING LTD, 2013, doi:10.1088/0957-0233/24/4/045303.
APA
Nila, A., Vanlanduit, S., Vepa, S., & Van Paepegem, W. (2013). A PIV-based method for estimating slamming loads during water entry of rigid bodies. MEASUREMENT SCIENCE AND TECHNOLOGY, 24(4). https://doi.org/10.1088/0957-0233/24/4/045303
Chicago author-date
Nila, Alexandru, S Vanlanduit, S Vepa, and Wim Van Paepegem. 2013. “A PIV-Based Method for Estimating Slamming Loads during Water Entry of Rigid Bodies.” MEASUREMENT SCIENCE AND TECHNOLOGY 24 (4). https://doi.org/10.1088/0957-0233/24/4/045303.
Chicago author-date (all authors)
Nila, Alexandru, S Vanlanduit, S Vepa, and Wim Van Paepegem. 2013. “A PIV-Based Method for Estimating Slamming Loads during Water Entry of Rigid Bodies.” MEASUREMENT SCIENCE AND TECHNOLOGY 24 (4). doi:10.1088/0957-0233/24/4/045303.
Vancouver
1.
Nila A, Vanlanduit S, Vepa S, Van Paepegem W. A PIV-based method for estimating slamming loads during water entry of rigid bodies. MEASUREMENT SCIENCE AND TECHNOLOGY. 2013;24(4).
IEEE
[1]
A. Nila, S. Vanlanduit, S. Vepa, and W. Van Paepegem, “A PIV-based method for estimating slamming loads during water entry of rigid bodies,” MEASUREMENT SCIENCE AND TECHNOLOGY, vol. 24, no. 4, 2013.
@article{8037190,
  abstract     = {{Hydrodynamic impact of bodies onto the water surface is a problem of great importance in the design of off-shore and naval structures (wave energy converters, off-shore platforms, highspeed boats, etc). Classical measurement techniques, namely pressure sensors, present major drawbacks in the determination of impact loads because of their intrusive nature. In this paper, we propose a method to determine the impact loads on rigid bodies during water entry, based on high-speed particle image velocimetry. The method consists of two steps: firstly, an automated procedure is developed to determine the velocity field from high-speed images during water impact. Secondly, the unsteady pressure field is estimated from the velocity fields, using a Poisson-based solver. The method is validated on a rigid wedge slamming experiment and the results are compared with results from computational fluid dynamics simulations (performed with the software LS-Dyna) and from the literature.}},
  articleno    = {{045303}},
  author       = {{Nila, Alexandru and Vanlanduit, S and Vepa, S and Van Paepegem, Wim}},
  issn         = {{0957-0233}},
  journal      = {{MEASUREMENT SCIENCE AND TECHNOLOGY}},
  keywords     = {{IMPACT,WEDGE,SECTIONS,SURFACE,FLOW,FLUID,water entry,slamming loads,PIV,pressure reconstruction}},
  language     = {{eng}},
  number       = {{4}},
  pages        = {{12}},
  publisher    = {{IOP PUBLISHING LTD}},
  title        = {{A PIV-based method for estimating slamming loads during water entry of rigid bodies}},
  url          = {{http://doi.org/10.1088/0957-0233/24/4/045303}},
  volume       = {{24}},
  year         = {{2013}},
}
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