Aircraft Maneuvering Simulation Based on Computational Fluid Dynamics
DOI:
https://doi.org/10.70567/mc.v41i20.107Keywords:
Non inertial formulation, aerodynamics, aircraft manoeuverAbstract
In the field of aeronautical engineering, linearised models are generally used to predict the behaviour of an aircraft. These models, based on static and dynamic derivatives, make it possible to predict most aircraft manoeuvres. Currently, numerical simulations have enabled the prediction of aircraft behavior during complex maneuvers without the need for costly flight tests. This work proposes a methodology to perform numerical simulations of aircraft dynamics for an specified maneuver. A finite element code is used to solve the Navier-Stokes equations in a non-inertial formulation, coupled with a model that simulates maneuvers. The implemented formulation offers the advantage of using a fixed mesh, where the boundary conditions are modified to take into account the rigid body movement. As validation, results are presented for two problems with known solutions: an isolated wing (ONERA-M6) and a wind tunnel model known as the unswept-wing.
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