Numerical model of externally attached aircraft freight oscillations.

Aviation technics and technology


Аuthors

Komarov A. A.

Moscow Aviation Institute (National Research University), 4, Volokolamskoe shosse, Moscow, А-80, GSP-3, 125993, Russia

Abstract

The methodology and results of development of the numerical model describing dynamic state of objects externally attached to the wing are submitted. The aircraft impact with a landing strip due to emergency landing is considered. The problem of transitional interaction is solved using finite element method, on basis of which the model of an aircraft carrying externally attached objects is developed. Time dependences of displacements, velocities and accelerations for different points of the objects are obtained.

Keywords:

impact; aircraft; emergency landing; dynamic state; freights; external attachment; damping; finite element model; normal modes decomposition.


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