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A Poisson-Process Model for Cumulative Delamination Damage in Composite Materials Cover

A Poisson-Process Model for Cumulative Delamination Damage in Composite Materials

Transactions on Aerospace Research
Volume 2025 (2025): Issue 4 (December 2025)
By: Konstantin Nechval and  Rafał Chatys  
Open Access
|Dec 2025

Figures & Tables

Fig. 1.

Typical damage locations in aircraft structures [7, 8].
Typical damage locations in aircraft structures [7, 8].

Fig. 2.

Grumman Seaplane (G-73/G-73T Wing Box Component) [17].
Grumman Seaplane (G-73/G-73T Wing Box Component) [17].

Fig. 3.

Model of a weak microvolume under loading and after unloading (explanations in the text) [21,22].
Model of a weak microvolume under loading and after unloading (explanations in the text) [21,22].

Fig. 4.

Example of delamination and approximate linear size in relation to the initial damage width.
Example of delamination and approximate linear size in relation to the initial damage width.

Fig. 5.

Damage to an aircraft flap element, before and after preparation for repair.
Damage to an aircraft flap element, before and after preparation for repair.

Fig. 6.

Point defects.
Point defects.

Fig. 7.

Core alignment for the panel in sandwich.
Core alignment for the panel in sandwich.

Fig. 8.

Numerical values of nodal points in each row of a honeycomb fragment
Numerical values of nodal points in each row of a honeycomb fragment

Fig. 9.

Calculation of the Poisson distribution function and mapping to honeycomb nodes in the Excel model.
Calculation of the Poisson distribution function and mapping to honeycomb nodes in the Excel model.

Fig. 10.

Example visualization of simulated delamination spreading across honeycomb cells.
Example visualization of simulated delamination spreading across honeycomb cells.

Fig. 11.

Regular initialization estimation program.
Regular initialization estimation program.

Fig. 12.

Universal propagation time.
Universal propagation time.
DOI: https://doi.org/10.2478/tar-2025-0022 | Journal eISSN: 2545-2835
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Language: English
Page range: 122 - 139
Submitted on: Jul 10, 2025
|
Accepted on: Nov 20, 2025
|
Published on: Dec 24, 2025
Published by: ŁUKASIEWICZ RESEARCH NETWORK – INSTITUTE OF AVIATION
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year
Keywords:
fatigue,
Poisson process,
composite,
delamination
Related subjects:
Engineering,
Introductions and overviews,
Engineering, other,
Geosciences,
Geosciences, other,
Materials sciences,
Materials sciences, other,
Physics,
Physics, other

© 2025 Konstantin Nechval, Rafał Chatys, published by ŁUKASIEWICZ RESEARCH NETWORK – INSTITUTE OF AVIATION
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

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