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Numerical simulation of the fluid-structure interactions inside the aquaplaning problem

Abstract : The aquaplaning problem has been the topic of simulation works emphasizing its complexity: fluid structure interactions, structures modelling, materials involved, contact with asphalt and the complexity of the resulting fluid flow (extremely complex interface, drying up the road, ventilation, possible development of turbulence and cavitation). As additional difficulty, the tire is a highly deformable body and fluid-structure interaction effects should be considered, leading to a challenging problem for the numerical modelling. Then Michelin, Ecole Centrale Nantes and NextFlow Software have recently tested the ability of the SPH solver developed by the two latter to classify tires based on their surface structure geometries, without considering the gas phase. In this context, the interest of SPH for modelling efficiently the aquaplaning flow has been underlined. The meshless and Lagrangian feature of SPH naturally avoid the problem of fluid/solid grid compatibility. The other significant advantage of the SPH method, in this context, appears in its ability to be relatively easily coupled to with conventional Finite Element solvers. The aim of this workis three fold. First, qualify the SPH-FE coupling strategy, especially in terms of energy and then develop schemes to ensure a good compromise among stability, accuracy and computation time. Second, quantify the influence of different involved physical phenomena to determine which should be modelled. Finally, adapt SPH models to simultaneously consider different phenomena and to performe simulations of the complete problem.
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Submitted on : Monday, July 15, 2019 - 5:53:10 PM
Last modification on : Tuesday, July 23, 2019 - 2:09:43 PM


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  • HAL Id : tel-02184074, version 1



Corentin Hermange. Numerical simulation of the fluid-structure interactions inside the aquaplaning problem. Fluids mechanics [physics.class-ph]. École centrale de Nantes, 2017. English. ⟨NNT : 2017ECDN0014⟩. ⟨tel-02184074⟩



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