Overview
ABSTRACT
The design of mechanical systems present in various propulsion devices and equipment calls for the development of new simulation methods, enabling engineers to explore a wide range of parameters and integrate the influence of uncertainties into their analyses. This report is devoted to a long-term research project undertaken by a major industrial group in collaboration with three academic partners, to develop model reduction methods that meet design optimization and reliability objectives.
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Read the articleAUTHORS
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Cédric LEBLOND : Research engineer, - Naval Group – 5, rue de l'Halbrane – 44340 Bouguenais, France
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Jean-François SIGRIST : Research engineer, science journalist - Expertise & communication scientifiques (eye-π) – 4, place Foire-le-Roi – 37000 Tours, France
INTRODUCTION
The industrial uses of numerical simulation continue to diversify: this technique benefits from constant innovation, resulting from the collaborative work of academic and industrial engineers and researchers. The present feedback, which provides an example, concerns the development of numerical methods based on reduced-order models and integrated into calculation codes that can be used by industrial engineers. The applications targeted – vibro-acoustics and hydrodynamics – mainly concern problems of interest to the naval sector, but also relate to physics encountered in many other sectors, such as transport or energy, etc.
The development of these methods was part of a research program undertaken over several years by a major international shipbuilder, in collaboration with academic researchers with expertise in physical modeling and numerical simulation. It has enabled new numerical approaches to be developed, opening the way to optimization and improvement of structures subjected to a variety of mechanical stresses (vibratory, hydrodynamic, etc.), and to make these techniques accessible to design engineers.
Field: innovation, collaborative research.
Companies involved: shipbuilders (naval industry, marine energies), software publishers (scientific computing, digital simulation, HPC), design offices (design of propulsion systems, energy recovery).
Technologies/methods involved: numerical modeling, scientific computing, finite elements.
Sectors: mechanical engineering, naval and marine engineering, marine renewable energies.
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KEYWORDS
numerical simulation | reduced-order models | parametric studies | fluid-structure interactions
Development of reduced-order models methods for the simulation of industrial problems
Project background and objectives
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