We are happy to present two connected theses: ‘Aeroelastic high-fidelity calculation through HPC’ by Domenico Regine and ‘Aeroelastic Analysis of a Competition Car’ by Luca Carnevale. A Dallara racing car was used to analyze the fluid-structure interaction. This methodology will be tested by Dallara on new models, while updating the workflow with the RBF Morph mapper. Both students successfully used RBF Morph tools for mesh morphing.

Abstract ‘Aeroelastic high-fidelity calculation through HPC’

In the field of engineering, there is an increasingly consistent use of simulations, as numerical tools are constantly evolving and allow for the analysis of increasingly complex cases with greater levels of detail. Thanks to these advancements, it has become possible to interface multiple software together in order to perform analyses that would not otherwise be feasible using a single numerical tool. This is precisely the case here, where Fluid-Structure analyses have been performed by interfacing a finite element tool, such as Nastran, with a fluid dynamics solver, namely Ansys Fluent. The operation of the two software programs has been connected through RBF Morph, which is a tool that allows for mesh morphing, a key operation in the studied process. In fact, in this way, the need to carry out remeshing operations necessary in this type of study has been eliminated, resulting in a considerable reduction in computation times.

Abstract ‘Aeroelastic Analysis of a Competition Car’

The Analysis of a Fluid-Structure Interaction in motorsport could be necessary for four reasons: security, homologation, performance loss and performance development. In this context, the Fluid-Structure Interaction problem was studied with two approaches: 2-ways Strategy and Modes Embedding Strategy. First of all the equivalence of the two methodologies was verified on a simple model, then the two strategies were applied on an industrial case, the Splitter of an LMP1 car built by Dallara, with the aim of analyzing the deformation of the structure and the variation of car performance. The resolution procedure for the 2-ways strategy was also automated.

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