Journal
AIAA JOURNAL
Volume 47, Issue 4, Pages 893-901Publisher
AMER INST AERONAUT ASTRONAUT
DOI: 10.2514/1.36311
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Funding
- Engineering and Physical Sciences Research Council
- Ministry of Defence [EP/D504473/1]
- Engineering and Physical Sciences Research Council [EP/D504473/1] Funding Source: researchfish
- EPSRC [EP/D504473/1] Funding Source: UKRI
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The computation of the aerodynamic forces arising from forced periodic motions is required for the generation of dynamic terms in models for flight simulation. The periodicity can he used to avoid using fully unsteady calculations by using the harmonic balance method. The current paper develops an implicit solver for the harmonic balance equations. The method is tested on two transonic test cases and evaluation is made against the unsteady simulation results. The first case is for the pitching NACA 0012 aerofoil. The second is for forced pitching of the F-5 wing with a wing tip launcher and missile. A reduction in computational time by one order of magnitude compared with the unsteady solver is obtained.
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