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Aerospace Instrument-Making Annotation << Back
ASSESSMENT OF FORMS OF DEPRESSION ON CARRYING CAPACITY
OF THE AIRCRAFT WING PANELS WITH HOLE |
S.E. Zaytsev V.S. Safronov
The article presents a model for evaluating the carrying capacity of the aircraft wing
box with a hole and the results of numerical and theoretical studies. The influence of the
submission form deflection on the bearing capacity. Selecting the appropriate waveform
is the main point in the task at hand. For elastic arm valid form deformable axis must
satisfy the conditions of the zero deflection and rotation angle in seals, as well as the
maximum deflection and zero second derivative (the absence of torque) at the free end.
The work shows the influence of the two forms of representation deflection satisfying the
boundary conditions, the final result. As a method of solving the problem of energy
МЕТОДЫ МОДЕЛИРОВАНИЯ
КОМПЛЕКСОВ УПРАВЛЕНИЯ
АВИАКОСМИЧЕСКОЕ ПРИБОРОСТРОЕНИЕ, 2015 г. № 6 23
method selected. When used to study the energy method is sufficient to approximate the
function satisfies only the geometric boundary conditions, as power conditions are satisfied
automatically. The results obtained on two ideas form the deflection compared with
the results obtained by the finite element method. Obtained in this paper are calculated
according to analytical.
Key words: wing panel hole, deflection, load-bearing capacity, energy method.
Contacts: E-mail: v.s.safronov@mail.ru
Pp. 22-32. |
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