Article

Analytical and numerical model on the hydroelastic response of an array of moored circular offshore floating platform

Ocean Engineering

Amouzadrad, P. ; Mohapatra, S.C.; Guedes Soares, C. — 2026 — Elsevier

Key information

Authors:

Amouzadrad, P. (Pouria Amouzadrad); Mohapatra, S.C. (Sarat Chandra Mohapatra); Guedes Soares, C. (Carlos Guedes Soares)

Published in

01/15/2026

Abstract

A mathematical model has been introduced to investigate the hydroelastic behavior of an array of moored floating circular modules in a water of limited depth. This model relies on principles of linearized small-amplitude theory, employing the Timoshenko-Mindlin beam theory to model the floating modules. The analytical solution is obtained by considering the geometric symmetry of the boundary value problem and employing a matching technique in conjunction with the orthogonal mode-coupling condition that involves Bessel functions. The analytical outcomes regarding vertical displacement for various configurations and design parameters are compared with numerical model simulations, showing a strong level of agreement. To enhance confidence, several numerical results derived from the analytical solutions are presented and thoroughly analyzed, focusing on structural displacements, bending moments, and wave properties with mooring stiffness, elastic modulus, and water depth variations. Additionally, the numerical model results from Boundary Element Method code simulations concerning structural displacements, contour plots, and hydrodynamic diffraction are examined in detail. The comparison results demonstrate that the analytical model can be reliably employed in the design of large floating flexible articulated platforms intended for offshore renewable energy and aquaculture applications.

Publication details

Authors in the community:

Publication version

VoR - Version of Record

Publisher

Elsevier

Link to the publisher's version

https://www.sciencedirect.com/science/article/pii/S0029801825029993?via%3Dihub

Title of the publication container

Ocean Engineering

First page or article number

123316

Volume

343

Issue

Part 2

DOI

10.1016/j.oceaneng.2025.123316

Fields of Science and Technology (FOS)

other-engineering-and-technologies - Other engineering and technologies

Keywords

  • Hydroelastic response
  • Analytical model
  • Numerical model
  • Mooring lines
  • Multi-module structure
  • Wave quantity

Publication language (ISO code)

eng - English

Rights type:

Open access

Financing entity

Fundação para a Ciência e a Tecnologia

Identifier for the funding entity: https://doi.org/10.13039/501100001871

Type of identifier of the funding entity: Crossref Funder

Number for the project, award or grant: UIDB-UIDP-00134-2020