Two configurations typical of fixed-wing aircraft are simulated with the actuator line method (ALM): a wing with winglets, and a T tail. The ALM is extensively used in rotor simulations to model the blades by body forces, which are calculated from airfoil data and the relative flow velocity. This method has not been used to simulate airplane aerodynamics, despite its advantage of allowing coarser grids. This may be credited to the failure of the uncorrected ALM to accurately predict forces near the tip of the wings, even for simple configurations. The recently proposed vortex-based smearing correction shows improved results, suggesting those limitations are part of the past. For the nonplanar configurations studied in this work, differences between the ALM with the original smearing correction and a nonlinear lifting line (LL) method are observed near the intersection of surfaces because the circulation generated in the numerical simulation differs from the calculated corrected circulation. A vorticity magnitude correction is proposed, which improves the agreement between the ALM and the LL method. This second-order correction resolves the ambiguity in the velocity used to define the lift force. The good results indicate that the improved ALM can be used for airplane aerodynamics, with an accuracy similar to the LL method.


    Zugriff

    Zugriff prüfen

    Verfügbarkeit in meiner Bibliothek prüfen

    Bestellung bei Subito €


    Exportieren, teilen und zitieren



    Titel :

    Simulating Airplane Aerodynamics with Body Forces: Actuator Line Method for Nonplanar Wings


    Beteiligte:

    Erschienen in:

    AIAA Journal ; 61 , 5 ; 2048-2059


    Erscheinungsdatum :

    2023-02-13


    Format / Umfang :

    12 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




    Nonplanar wings in nonplanar ground effect.

    DAVIS, J. E. / HARRIS, G. L. | AIAA | 1973


    Airplane aerodynamics

    Dommasch, Daniel Otto ;Sherby, Sydney S. ;Connolly, Thomas F. | SLUB | 1951


    Airplane aerodynamics

    Dommasch, D.O. / Dommasch, S.S. / Sherby, S.S. et al. | Engineering Index Backfile | 1951


    "F/A-18 Nonplanar Manoeuvring Aerodynamics"

    Beyers, M. E. / Canadian Aeronautics and Space Institute | British Library Conference Proceedings | 1999


    Nonplanar Technique for 3D Printing Wings

    Reiter, Stephen LaMagna / Valenti, Justin D. / Yukish, Michael A. | TIBKAT | 2022