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Title: Investigation of submerged structures’ flexibility on sloshing frequency using a boundary element method and finite element analysis
Authors: Ghalandari, M
Bornassi, S
Shamshirband, S
Mosavi, A
Chau, KW 
Issue Date: 2019
Source: Engineering applications of computational fluid mechanics, 2019, v. 13, no. 1, p. 519-528
Abstract: In this study, the boundary element method–finite element method (BEM-FEM) model is employed to investigate the sloshing and flexibility terms of elastic submerged structures on the behavior of a coupled domain. The methods are finite element and boundary elements which are utilized for structural dynamic and sloshing modeling, respectively. The applied models are used to assess dynamic parameters of a fluid-structure system. Based on the proposed model, a code is developed which can be applied to an arbitrary two- and three- dimensional tank with an arbitrarily shaped elastic submerged structure. Results are validated based on the existing methods represented in the literature and it is concluded that the absolute relative deviation is lower than 2%. Finally, the interactive influences of submerged components which are more meaningful are investigated.
Keywords: Finite element method (FEM)
Fluid–structure interaction
Boundary element method (BEM)
Reduced order modeling
Submerged elastic structure
Publisher: Hong Kong Polytechnic University, Department of Civil and Structural Engineering
Journal: Engineering applications of computational fluid mechanics 
ISSN: 1994-2060
EISSN: 1997-003X
DOI: 10.1080/19942060.2019.1619197
Rights: © 2019 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
The following publication Ghalandari, M., Bornassi, S., Shamshirband, S., Mosavi, A., & Chau, K. W. (2019). Investigation of submerged structures’ flexibility on sloshing frequency using a boundary element method and finite element analysis. Engineering Applications of Computational Fluid Mechanics, 13(1), 519-528, is available at
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