Article | REF: REX36 V1

Validation of co-simulation strategies for naval applications of fluid-structure interaction

Author: Jean-François SIGRIST

Publication date: September 10, 2024

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Overview

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ABSTRACT

The development of numerical techniques within engineering tools, such as finite element/finite volume-based codes and coupling strategies for simulation fluid-structure interactions, is of significant importance for many industrial compagnies which are using simulation for innovation purposes or for the demonstration of reliability and security of various critical systems. In the present article a R&D project, jointly carried out by an industrial user, academic laboratories with the support of a code editor, is discussed, highlighting the validation and application of “co-simulation” techniques for applications in the naval sector.

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AUTHOR

  • Jean-François SIGRIST: Engineer-researcher, scientific journalist – Scientific expertise & communication (eye- π) – Tours, France

 INTRODUCTION

Taking into account the mechanical interactions between a fluid flow and the deformations of a structure for coupled systems is crucial to better design certain parts or components (as in the renewable energy or naval sectors). “Co-simulation” techniques, aiming to take advantage of the functionalities offered by numerical tools dedicated to fluid and structural dynamics, and to couple these tools, are one of the innovations proposed by the editors of calculation codes to allow engineers to simulate various fluid-structure interaction problems.

The result of academic research, which has proposed efficient coupling algorithms with proven numerical properties (accuracy, stability, etc.), and of industrial developments, which have accompanied the implementation of these algorithms in engineering tools, these “co-simulation” techniques, which are complex to use, are still little employed by engineers.

We propose a feedback on an R&D project aiming at evaluating, validating and disseminating these techniques in the naval industry. Conducted in the framework of a collaboration with academic partners, based on test results and supported by numerical solution editors, the project has highlighted the opportunities offered by these computational techniques and identified the limits of use for applications to the hydrodynamics of deformable lifting profiles.

Key points

Fields  : innovation, collaborative research.

Companies involved  : shipbuilders (naval industry, marine energies), software publishers (scientific computing, numerical simulation, HPC), design offices (design of propulsion systems, energy recovery systems).

Technologies/methods involved  : numerical modeling, scientific computing, finite elements, finite volumes

Sectors  : mechanical engineering, naval and maritime engineering, marine renewable energy.

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KEYWORDS

numerical simulation   |   fluid-structure interaction   |   hydrodynamics   |   CSD-CFD coupling


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Validating co-simulation tools for fluid-structure interactions for naval applications