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Lattice-Boltzmann Simulations of Hull Impacting Water

[+] Author Affiliations
Alessandro De Rosis

University of Bologna, Bologna, ItalyPolytechnic Institute of NYU, Brooklyn, NY

Francesco Ubertini

University of Bologna, Bologna, Italy

Maurizio Porfiri

Polytechnic Institute of NYU, Brooklyn, NY

Stefano Ubertini

University of Naples “Parthenope”, Naples, Italy

Paper No. DSCC2012-MOVIC2012-8545, pp. 163-170; 8 pages
doi:10.1115/DSCC2012-MOVIC2012-8545
From:
  • ASME 2012 5th Annual Dynamic Systems and Control Conference joint with the JSME 2012 11th Motion and Vibration Conference
  • Volume 2: Legged Locomotion; Mechatronic Systems; Mechatronics; Mechatronics for Aquatic Environments; MEMS Control; Model Predictive Control; Modeling and Model-Based Control of Advanced IC Engines; Modeling and Simulation; Multi-Agent and Cooperative Systems; Musculoskeletal Dynamic Systems; Nano Systems; Nonlinear Systems; Nonlinear Systems and Control; Optimal Control; Pattern Recognition and Intelligent Systems; Power and Renewable Energy Systems; Powertrain Systems
  • Fort Lauderdale, Florida, USA, October 17–19, 2012
  • Conference Sponsors: Dynamic Systems and Control Division
  • ISBN: 978-0-7918-4530-1
  • Copyright © 2012 by ASME

abstract

In this paper, we propose a computational approach to estimate the forces acting on a rigid wedge as it impacts a free water surface. The approach is based on the Lattice-Boltzmann Method, wherein the fluid is described as a set of particles streaming and colliding in a discrete time-space environment. Predicted slamming forces are compared with closed-form results based on potential flow and experimental results on drop-tests of rigid wedges.

Copyright © 2012 by ASME

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