Engineering Journal: Science and InnovationELECTRONIC SCIENCE AND ENGINEERING PUBLICATION
Certificate of Registration Media number Эл #ФС77-53688 of 17 April 2013. ISSN 2308-6033. DOI 10.18698/2308-6033
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Article

Impact Interaction of a Detached Aircraft Engine Bladewith a Multilayer Panel Made of Polymer Composite

Published: 02.06.2026

Authors: Vestyak V.A., Martirosov M.I., Zanina E.A.

Published in issue: #6(174)/2026

DOI:

Category: Mechanics | Chapter: Mechanics of Deformable Solid Body

A mathematical modeling of the impact interaction of a detached titanium blade of an aircraft engine with a multi-layer two-stringer panel made of polymer composite materials (PCM) (high-strength carbon fiber reinforced plastic) is presented in an explicit formulation. The panel is modeled layer-by-layer using the finite element method (FEM), taking into account cohesive interaction between the layers, which makes it possible to evaluate delamination in the panel. The impacting element is modeled using the smoothed particle hydrodynamics (SPH) method, which ensures a correct account of the striker’s failure. In the numerical experiment, an analysis of the nature and extent of damage to the skin and reinforcing stringers is carried out. The dependence of the striker's kinetic energy on time, which serves as an integral indicator of the energy absorbed by the considered structural element made of PCM, is investigated. The combined approach considered, combining FEM and SPH, has demonstrated its effectiveness and can be adapted for modeling impact effects from various discrete sources on structural elements made of PCM.

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