Fracture and Structural Integrity e-ISSN 1971-8993 Open access
Integrity of materials and structures Vol. 18, No. 68 (2024)

Assessing structural integrity of non-homogeneous systems by means of Acoustic Emissions and Non-Extensive Statistical Mechanics

Author and affiliation details
  • Stavros K Kourkoulis Corresponding author National Technical University of Athens, School of Applied Mathematical and Physical Sciences, Department of Mechanics, Laboratory for Testing and Materials, 5, Heroes of Polytechneion Avenue, “Pericles Theocaris” Building, Zografou Campus, 157 73, Zografou, Attiki, Greece ORCID iD0000-0003-3246-9308 stakkour@central.ntua.gr
  • Ermioni Pasiou National Technical University of Athens, School of Applied Mathematical and Physical Sciences, Department of Mechanics, Laboratory for Testing and Materials, 5, Heroes of Polytechneion Avenue, “Pericles Theocaris” Building, Zografou Campus, 157 73, Zografou, Attiki, Greece ORCID iD0000-0003-1580-3415
  • Ilias Stavrakas University of West Attica, Faculty of Engineering, Department of Electrical and Electronics Engineering, Electronic Devices and Materials Laboratory, Ancient Olive Grove Campus, Building B, 250 Thivon Avenue, Egaleo Postal Code 122 44, Athens, Greece ORCID iD0000-0001-8484-8751
  • Dimos Triantis University of West Attica, Faculty of Engineering, Department of Electrical and Electronics Engineering, Electronic Devices and Materials Laboratory, Ancient Olive Grove Campus, Building B, 250 Thivon Avenue, Egaleo Postal Code 122 44, Athens, Greece ORCID iD0000-0003-4219-8687
DOI
10.3221/IGF-ESIS.68.29
Pages
440-457
Published
Licence
CC BY 4.0
Published inVol. 18, No. 68 (2024)Go to the issue

Abstract

Taking advantage of the interevent time intervals, namely the time intervals between two successive acoustic events recorded during mechanical loading of structural elements, it is attempted to detect indices warning about upcoming failure. The innovative aspect of the study is that the analysis is implemented in the frame of Non-Extensive Statistical Mechanics, a discipline founded on a class of entropies violating the additivity principle, which is the cornerstone of the Boltzmann-Gibbs Statistical Mechanics. The specimens used for the experiments were marble blocks simulating either fragmented and restored epistyles or mutually interconnected intact epistyles of the Parthenon Temple on the Acropolis of Athens. The specimens consisted of three mate­rials (marble, metallic connectors and cementitious pastes) exhibiting, thus, a strongly non-homogeneous nature. The entropic index, i.e., the parameter quantifying the degree of non-additivity, was used for the analysis of the ex­pe­rimental data. The results were considered in juxtaposition to the re­spective ones from experimental protocols with specimens of macroscopically homo­geneous nature. It was concluded that the temporal evolution of the entropic index provides very good insight into the level of damage ac­cumu­lated in the loaded structure, independently of whether the structure is homogeneous or not, providing an interesting pre-failure indicator.

Keywords

Article history

  1. ReceivedUntil the next stage: 23 days
  2. Revision requestedUntil the next stage: 3 days
  3. RevisedUntil the next stage: 0 days
  4. AcceptedUntil the next stage: 2 days
  5. Published

How to cite

APA

Kourkoulis, S. K., Pasiou, E., Stavrakas, I., & Triantis, D. (2024). Assessing structural integrity of non-homogeneous systems by means of Acoustic Emissions and Non-Extensive Statistical Mechanics. Fracture and Structural Integrity, 18(68), 440–457. https://doi.org/10.3221/IGF-ESIS.68.29

IEEE

S. K. Kourkoulis, E. Pasiou, I. Stavrakas, and D. Triantis, “Assessing structural integrity of non-homogeneous systems by means of Acoustic Emissions and Non-Extensive Statistical Mechanics,” Fracture and Structural Integrity, vol. 18, no. 68, pp. 440–457, 2024, doi: 10.3221/IGF-ESIS.68.29.

MLA

Kourkoulis, Stavros K, et al. “Assessing structural integrity of non-homogeneous systems by means of Acoustic Emissions and Non-Extensive Statistical Mechanics.” Fracture and Structural Integrity, vol. 18, no. 68, 2024, pp. 440–457. https://doi.org/10.3221/IGF-ESIS.68.29.

Chicago

Kourkoulis, Stavros K, Ermioni Pasiou, Ilias Stavrakas, and Dimos Triantis. 2024. “Assessing structural integrity of non-homogeneous systems by means of Acoustic Emissions and Non-Extensive Statistical Mechanics.” Fracture and Structural Integrity 18 (68): 440–457. https://doi.org/10.3221/IGF-ESIS.68.29.

Harvard

Kourkoulis, S.K., Pasiou, E., Stavrakas, I. and Triantis, D. (2024) ‘Assessing structural integrity of non-homogeneous systems by means of Acoustic Emissions and Non-Extensive Statistical Mechanics’, Fracture and Structural Integrity, 18(68), pp. 440–457. doi: 10.3221/IGF-ESIS.68.29.

Vancouver

Kourkoulis SK, Pasiou E, Stavrakas I, Triantis D. Assessing structural integrity of non-homogeneous systems by means of Acoustic Emissions and Non-Extensive Statistical Mechanics. Fracture and Structural Integrity. 2024;18(68):440-457. doi:10.3221/IGF-ESIS.68.29

BibTeX

@article{kourkoulis2024, author = {Kourkoulis, Stavros K and Pasiou, Ermioni and Stavrakas, Ilias and Triantis, Dimos}, title = {Assessing structural integrity of non-homogeneous systems by means of Acoustic Emissions and Non-Extensive Statistical Mechanics}, journal = {Fracture and Structural Integrity}, year = {2024}, volume = {18}, number = {68}, pages = {440--457}, doi = {10.3221/IGF-ESIS.68.29}, url = {https://doi.org/10.3221/IGF-ESIS.68.29}, issn = {1971-8993} }

RIS

TY - JOUR AU - Kourkoulis, Stavros K AU - Pasiou, Ermioni AU - Stavrakas, Ilias AU - Triantis, Dimos TI - Assessing structural integrity of non-homogeneous systems by means of Acoustic Emissions and Non-Extensive Statistical Mechanics JO - Fracture and Structural Integrity T2 - Fracture and Structural Integrity PY - 2024 DA - 2024/03/28 VL - 18 IS - 68 SP - 440 EP - 457 DO - 10.3221/IGF-ESIS.68.29 UR - https://doi.org/10.3221/IGF-ESIS.68.29 SN - 1971-8993 ER -

Licence

Creative Commons Attribution 4.0 International

May be shared and adapted, provided appropriate credit is given. Copyright © 2024 Stavros K Kourkoulis, Ermioni Pasiou, Ilias Stavrakas, Dimos Triantis.

Copyright 
Authors are allowed to retain both the copyright and the publishing rights of their articles without restrictions.  

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