THANAFSI · Theoretical analysis of fluid-structure interaction problems and applications
Horizon Europe — Marie Skłodowska-Curie Actions
- Duration
- 2023-09-01 → 2025-08-31
- EU contribution
- €172,750
- Participants
- 3
- Scheme
- HORIZON-TMA-MSCA-PF-EF
Lines connect the coordinator with its partners.
Results in brief
Theoretical analysis of fluid-structure interaction problems and applications
The THANAFSI project investigates fluid–structure interaction problems that arise in physical situations where fluids and solids mutually influence each other’s behavior, both in static and dynamic configurations. Understanding these interactions is crucial for tackling challenges of both scientific and societal relevance through advanced mathematical modeling. THANAFSI focuses on two research lines: (1) stability of suspension bridges under wind action, and (2) dynamics of a free-surface viscous fluid contained in a Hele-Shaw cell. Concerning the first line, the project incorporates nonlinear effects and asymmetric configurations in 2D and 3D wind-bridge models to more accurately describe real situations. By studying the equilibria of such systems, the continuity properties of the lift force exerted by the fluid on the structure and its repulsive nature near boundaries, the research advances the mathematical understanding of the stability of suspension bridges, eventually supporting the design of reliable infrastructure (UN SDG Target 9.1). The second research line of the project examines how the interaction between a free-surface viscous fluid and solid boundaries of the cell affects the dynamics. The goal is to achieve a complete understanding of the contact-angle problem at the interface and to explore the enhanced dissipation due to the contact and the long-time behavior of the dynamics. The outcomes of this study deepen the mathematical comprehension of wave-structure interactions, representing a key first step toward the development of efficient wave-energy converters (UN SDG Target 7.3).
Data: CORDIS, © European Union
Project objective
The THANAFSI project aims to contribute to the Sustainable Development Goals of the UN Agenda 2030 by improving the understanding of the behavior of infrastructures of current worldwide social interest through the analysis of suitable mathematical models. The project will tackle two main fluid-structure interaction (FSI) problems arising, respectively, in civil and coastal engineering: (1) the stability of suspension bridges under the action of the wind, (2) the impact of ocean waves on oscillating water columns (OWCs).Three research lines will be developed: (a) study the global existence and uniqueness of the solution to a 2D wind-bridge model in non-symmetric configurations for arbitrarily-shaped structures and focus on the asymptotic stability of the equilibrium state, (b) study the existence and uniqueness of the solution to a 3D wind-bridge model, both in symmetric and non-symmetric configurations, (c) study the local well-posedness of 1D Boussinesq-Abbott system in presence of an OWC and estimate the order of the existence time.The achievement of these challenging goals will move the boundaries of the mathematical comprehension of FSI problems. Nonlinear effects will be taken into account in (a)-(b) improving the comprehension of wind-bridges interaction in order to prevent catastrophes and design reliable suspension bridges. Both nonlinear and dispersive effects will be considered in (c), advancing the mathematical knowledge of wave energy converters, crucial to increase their energy efficiency.The THANAFSI project will be carried out by the Researcher, who worked during his PhD on the mathematical analysis of floating structures in shallow water waves, and then as a postdoc moved on to thin film approximations for fluids in porous media. The Researcher will interact with the Supervisor, a prominent expert in mathematical models of suspension bridges and in analysis of FSI problems, with whom he is currently collaborating.
Original text from CORDIS.
Participants
Links
- View on CORDIS
- DOI: 10.3030/101109475
- https://ec.europa.eu/research/participants/documents/downloadPublic?documentIds=080166e50956470e&appId=PPGMS
- https://ec.europa.eu/research/participants/documents/downloadPublic?documentIds=080166e5203c9f8c&appId=PPGMS
Data: CORDIS, © European Union