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research-article

Investigation of Wave Characteristics in Oscillatory Motion of Partially Filled Rectangular Tanks

[+] Author and Article Information
Murat Ozbulut

Piri Reis University Engineering Faculty Istanbul, Turkey
mozbulut@pirireis.edu.tr

Nima Tofighi

University of Victoria Department of Mechanical Engineering Victoria, Canada
ntofighi@uvic.ca

Omer Goren

Istanbul Tecnical University Faculty of Naval Architecture and Ocean Engineering Istanbul, Turkey
ogoren@itu.edu.tr

Mehmet Yildiz

Integrated Manufacturing Technologies Research and Application Center, Sabanci University, Tuzla, 34956, Istanbul, TurkeyComposite Technologies Center of Excellence, Sabanci University-Kordsa, Istanbul Technology Development Zone, Sanayi Mah. Teknopark Blvd. No: 1/1B,Pendik, 34906 Istanbul, TurkeyFaculty of Engineering and Natural Sciences, Sabanci University, Tuzla, 34956 Istanbul, Turkey
meyildiz@sabanciuniv.edu

1Corresponding author.

ASME doi:10.1115/1.4038242 History: Received November 23, 2016; Revised October 15, 2017

Abstract

Simulations of oscillatory motion in partially filled rectangular tanks with different tank geometries, fullness ratios and motion frequencies are presented. Smoothed particle hydrodynamics (SPH) method is used to discretize the governing equations together with new velocity variance based free surface and artificial particle displacement algorithms to enhance the robustness and the accuracy of the numerical scheme. Two-dimensional oscillatory motion is investigated for three different scenarios where the first one scrutinizes the kinematic characteristics in resonance conditions, the second one covers a wave response analysis in a wide range of enforced motion frequencies, and the last one examines the dynamic properties of the fluid motion in detail. The simulations are carried on for at least 50 periods in the wave response analysis which is sufficient to analyze the physical behavior of the fluid in long term. It is shown that numerical results of the proposed SPH scheme are in good agreement with experimental and numerical ?ndings of the literature.

Copyright (c) 2017 by ASME
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