35th Congress of the International Council of the Aeronautical Sciences

06.2 - Flight Dynamics and Control (UAV related)

RAPID FLIGHT DYNAMICS EVALUATION OF STRONGLY COUPLED DISTRIBUTED PROPULSION

Y. Zhu¹, R. Wang¹, Y.H. Xie¹, Z. Zhou¹; ¹Northwestern Polytechnical University, School of Aeronautics, China

To address high-dimensional coupling in DEP UAVs, an agile evaluation methodology is proposed. A BEMT-VLM approach enables rapid, high-fidelity computation, followed by a dynamics model using analytical derivations to quantify slipstream effects. A small-perturbation modal analysis is developed to account for strong coupling. A case study reveals dynamic laws, validating the methodology.


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DOI: 10.71945/icas2026_0874