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Dilshan S. P. Amarasinghe Baragamage and Weiming Wu
A three-dimensional (3D) fully-coupled fluid-structure model has been developed in this study to calculate the impact force of tsunamis on a flexible structure considering fluid-structure interactions. The propagation of a tsunami is simulated by solving...
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Sasan Tavakoli, Luofeng Huang, Fatemeh Azhari and Alexander V. Babanin
A computational fluid?solid dynamic model is employed to simulate the interaction between water waves and a consolidated ice cover. The model solves the Navier?Stokes equations for the ocean-wave flow around a solid body, and the solid behavior is formal...
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Jianxiong Li, Xiaodong Yang, Anping Hou, Yingxiu Chen and Manlu Li
Aerodynamic damping predictions are critical when analyzing aeroelastic stability. A novel method has been developed to predict aerodynamic damping by employing two single time-domain simulations, specifically, one with the blade impulsed naturally in a ...
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Dianhai Liu, Xiang Xia, Jing Yang and Zhengwei Wang
To predict the resonance characteristics of hydraulic machinery, it is necessary to accurately calculate the natural modes of the runners in the operating environment. However, in the existing research, the boundary conditions of the numerical modal anal...
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Daniele Chiappini
In this study, the capabilities of a coupled KBC-free surface model to deal with fluid solid interactions with the slamming of rigid obstacles in a calm water tank were analyzed. The results were firstly validated with experimental and numerical data ava...
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Choon-Su Park, Sun-Ho Lee and Dong-Jin Yoon
Underground pipeline monitoring.
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Velocity profiles in tidal channels cause cyclic oscillations in hydrodynamic loads due to the dependence of relative velocity on angular position, which can lead to fatigue damage. Therefore, the effect of velocity profile on the load variation and fati...
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Pieter Maljaars, Laurette Bronswijk, Jaap Windt, Nicola Grasso and Mirek Kaminski
In the past several decades, many papers have been published on fluid?structure coupled calculations to analyse the hydro-elastic response of flexible (composite) propellers. The flow is usually modelled either by the Navier?Stokes equations or as a pote...
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Tina Unglaube and Dieter Brillert
With an increase in fluid densities in centrifugal compressors, fluid-structure interaction and coupled acoustoelastic modes receive growing attention to avoid machine failure. Besides the vibrational behavior of the impeller, acoustic modes building up ...
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Sascha Bremicker-Trübelhorn and Sigrun Ortleb
The application of partitioned schemes to fluid?structure interaction (FSI) allows the use of already developed solvers specifically designed for the efficient solution of the corresponding subproblems. In this work, we propose and describe a loosely cou...
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Zhao Yang and Jie Li
Aeroelastic deformation of the high-aspect-ratio wing from a solar-powered UAV will definitely lead to the difference of its performance between design and actual flight. In the present study, the numerical fluid?structural coupling analysis of a wing wi...
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Marco Casoni and Ernesto Benini
Aeroelastic phenomena in turbomachinery are one of the most challenging problems to model using computational fluid dynamics (CFD) due to their inherent nonlinear nature, the difficulties in simulating fluid?structure interactions and the considerable co...
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Mariana Simão, Jesus Mora-Rodriguez and Helena M. Ramos
The dynamic interaction between the unsteady flow occurrence and the resulting vibration of the pipe are analyzed based on experiments and numerical models. Waterhammer, structural dynamic and fluid?structure interaction (FSI) are the main subjects dealt...
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Johan Feldwisch and Martin Bauer
With the progress of high-performance computing, computationally expensive high-fidelity methods can be applied early in the design process of an aircraft. This enables Computational Fluid Dynamics (CFD) for the assesment of flight performance, handling ...
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Antonino Cirello, Tommaso Ingrassia, Antonio Mancuso, Vincenzo Nigrelli and Davide Tumino
The process of designing a sail can be a challenging task because of the difficulties in predicting the real aerodynamic performance. This is especially true in the case of downwind sails, where the evaluation of the real shapes and aerodynamic forces ca...
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Nan Si, Zhaokuan Lu and Alan Brown
Solution of near-field underwater explosion (UNDEX) problems frequently require the modeling of two-way coupled fluid-structure interaction (FSI). This paper describes the addition of an embedded boundary method to an UNDEX modeling framework for multiph...
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Dimitra E. Anevlavi, Evangelos S. Filippas, Angeliki E. Karperaki and Kostas A. Belibassakis
Recent studies indicate that nature-inspired thrusters based on flexible oscillating foils show enhanced propulsive performance. However, understanding the underlying physics of the fluid?structure interaction (FSI) is essential to improve the efficiency...
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Dimitris Ntouras and George Papadakis
Modeling free surface flows in a CFD context typically requires an incompressible approach along with a formulation to account for the air?water interface. Commonly, pressure-correction algorithms combined with the Volume of Fluid (VOF) method are used t...
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Yang Zhang, Xudong Zheng and Qian Xue
This paper proposes a machine-learning based reduced-order model that can provide fast and accurate prediction of the glottal flow during voice production. The model is based on the Bernoulli equation with a viscous loss term predicted by a deep neural n...
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Mohammed Arab Fatiha, Benoît Augier, François Deniset, Pascal Casari and Jacques André Astolfi
In this work, a collaborative experimental study has been conducted to assess the effect an imposed internal pressure has on the controlling the hydrodynamic performance of a compliant composite hydrofoil. It was expected that the internal pressure toget...
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