Ludovic MARTIN, Vincent JACQUES, Yves MARTIN-SIEGFRIED

DOI Number: N/A

Conference number: IFASD-2015-083

An aircraft landing gear may experiment self-sustained oscillations (termed shimmy) due to a transfer of energy between the modes of the system, via the interaction between tires and ground. This oscillatory phenomenon should be studied because it may lead to structural damages, up to the rupture of landing gear. After the presentation of mathematical formulation and of model calibration used to simulate the shimmy phenomenon, industrial context of shimmy analysis is illustrated with a generic application. Based on this experience, some ways of improvement are formulated in order to make the shimmy analysis more predictive.

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In Categories: 2. IFASD 2015, Structural Dynamics & Shimmy
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