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Numerical determination of dynamic derivatives for transport aircraft. (English) Zbl 1323.76055

Rath, Hans-Josef (ed.) et al., New results in numerical and experimental fluid mechanics V. Contributions to the 14th STAB/DGLR symposium Bremen, Germany, November 16–18, 2004. Berlin: Springer (ISBN 3-540-33286-3/hbk). Notes on Numerical Fluid Mechanics and Multidisciplinary Design (NNFM) 92, 455-462 (2006).
Summary: The represented investigations are concerned with simulations of unsteady aircraft aerodynamics and thus belongs to the research field of computational fluid dynamics (CFD) for aerospace applications. The calculations are based on the surface singularity panel method VSAERO for simulation of quasi-steady motions and on the solution of the Time-dependent Reynolds-averaged Navier-Stokes (TRANS) equations using the finite volume parallel solution algorithm with an unstructured discretization concept (DLR TAU-code). The analysis consists of two parts, in order to obtain a more detailed understanding of the unsteady aerodynamical and flight mechanical behaviour of an airplane. For this purpose systematic investigations have been performed with basic configurations which have NACA0012 profiles (e.g. wing, wing + horizontal tail, wing + vertical tail). The second part of the investigation is the calculation of the dynamic derivatives of a modem transport aircraft configuration (DLR-F 12). The objective of this investigation is to adapt the numerical methods for the calculations of dynamic derivatives and to validate the numerical results against wind-tunnel data.
For the entire collection see [Zbl 1103.76005].

MSC:

76M12 Finite volume methods applied to problems in fluid mechanics
76N15 Gas dynamics (general theory)

Software:

MEGAFLOW; TAU
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References:

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