Forthcoming Articles

International Journal of Aerodynamics

International Journal of Aerodynamics (IJAD)

Forthcoming articles have been peer-reviewed and accepted for publication but are pending final changes, are not yet published and may not appear here in their final order of publication until they are assigned to issues. Therefore, the content conforms to our standards but the presentation (e.g. typesetting and proof-reading) is not necessarily up to the Inderscience standard. Additionally, titles, authors, abstracts and keywords may change before publication. Articles will not be published until the final proofs are validated by their authors.

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International Journal of Aerodynamics (2 papers in press)

Regular Issues

  • Formula 1s lost leadership: how road-car engineering and artificial intelligence drive real innovation in aerodynamics   Order a copy of this article
    by Alberto Boretti 
    Abstract: This study investigates whether motorsport-derived active aerodynamic concepts, such as the Drag Reduction System (DRS), can be effectively adapted to enhance energy efficiency and dynamic performance in road vehicles. Despite popular narratives of Formula 1 as a technological leader, the automotive industry had implemented active aerodynamic systems decades before their appearance in F1. Through computational modelling of a representative DRS flap and vehicle energy simulation over the UDDS cycle, we quantify the aerodynamic and energetic impacts of DRS-inspired systems. The active rear wing system achieves a 27.1% drag reduction and 23.6% downforce decrease in low-drag mode representing an estimated 811% net vehicle drag reduction when scaled to a complete car. For a battery electric vehicle, a 10% drag reduction improves urban efficiency by 1.24%, with substantially larger gains expected at highway speeds. Beyond F1s rigid, overtaking-focused DRS, the future of road-vehicle aerodynamics lies in AI-optimised morphing surfaces enabling continuous, intelligent aerodynamic tuning. While F1 provides a useful case study, production vehicles leveraging adaptive systems free from motorsports artificial constraints now lead where F1 has fallen behind as a technical pioneer in aerodynamics.
    Keywords: motorsport technology transfer; artificial intelligence; active aerodynamics; Formula 1; DRS; drag reduction system; road vehicle efficiency; vehicle dynamics; automotive engineering; aerodynamic optimisation; energy conservation.
    DOI: 10.1504/IJAD.2026.10080699
     
  • Aerodynamics instabilities of cylindrical structures in vortex-dominated flows: computational studies using LES   Order a copy of this article
    by Marcel Ilie 
    Abstract: Turbulent flow interactions with solid structures, such as vortex-induced vibrations (VIV), pose significant challenges in engineering applications, including aircraft wings, mooring cables, undersea pipelines, and bridge piers. This study investigates vortex-cylinder interactions, a simplified analogue of helicopter blade-vortex interactions (BVI), and their effects on aerodynamic instabilities High-Reynolds number flows (Re=1 4 x 106) were simulated using large eddy simulation (LES), while the feasibility of unsteady Reynolds-averaged NavierStokes (URANS) was also assessed. LES analysis reveals that vortex-cylinder interactions increase the Strouhal number and that the timing of interaction significantly affects aerodynamic responses. Regardless of horizontal vortex offset, the flow ultimately returns to its original state due to vortex distortion and dissipation. Further investigation at instants of minimum, maximum, and zero lift shows consistent lift evolution across all cases, as residual vortices merge with the cylinder wake. These findings highlight the critical role of vortex timing and structure in aerodynamic instabilities.
    Keywords: vortex-induced vibrations; vortex-cylinder interaction; vortex shedding; Strouhal number; large-eddy simulation.

 

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