Properties of a multi-layer multi-span corrugated package

Abstract


In this article we deal with the problem of cyclic compression of a multilayer multi-span corrugated package by using the finite element method (FEM) and a three-dimensional model (3-D model) of deformation in Ansys. We take into account plastic deformation of the package, as well as the complex law of its propagation and mutual elastic slippage with dry friction over tops of corrugation and in local regions at the tops of corrugation along the package tapes, valid for any geometrical shape of corrugation. This solution can be considered as the second part of the general complex nonlinear problem of cyclic compression of a multilayer multi-span corrugated package with dry friction on contact surfaces. The solution obtained makes it possible to construct any loading processes in the field of elastic-hysteresis package loops. The comparison of elastic-frictional characteristics of the package (EFCs) obtained by calculation and the experimental ones showed their good agreement. The influence of the corrugated package parameters on its EFCs was studied. A number of properties of the package were determined allowing us to draw conclusions and formulate recommendations that make it possible to define the number of package tapes, the required accuracy in the manufacture of corrugations of its tapes, and the choice of the geometric shape of corrugations in almost all cases of practical use of corrugated packages. The solution obtained can be used to determine the effectiveness of a bumper and other protective devices during crash tests of a car for frontal and side impacts and to determine the optimal parameters of these devices by calculating. Certain results and recommendations of this paper can be useful for the calculation of parameters of damping elements of a blisk, hollow wide-chord blades of aircraft GTE fans, ring dampers of rocket engine rotors, as their damping elements are made in the form of multilayer, multi-span corrugated packages.


About the authors

R. I. Alkeev

Samara National Research University

Author for correspondence.
Email: wild_cat_ruru@mail.ru

Russian Federation

Associate Professor of the Department of Engineering Graphics

V. I. Suslikov

Samara National Research University

Email: suslikov_v_i@yandex.ru

Russian Federation

Candidate of Science (Engineering),
Associate Professor of the Department of Aircraft Engine Design and Construction

I. D. Eskin

Samara National Research University

Email: Izold.eskinid@mail.ru

Russian Federation

Candidate of Science (Engineering),
Associate Professor of the Department of Aircraft Engine Design and Construction

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