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Failure analysis of beam of unmanned aerial vehicle

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Authors
Milić, Milica
Atanasovska, Ivana
Ristić, Ognjen
Momčilović, Dejan
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Abstract
The high level of worthiness of unmanned aerial vehicles (UAV), particularly in everyday life, is something that will be common thing in close future. The design solutions for UAV us subject of constant innovation, focused on the improving structure performances and weight reducing. The use of new materials. like various composites, is necessary during this process to fulfill such demanding structural design requirements. Despite the fact that such kind of composite made UAV structures are subjected to the detailed calculation procedures and experimental verifications in the design phase, the fracture and failure can occur during testing in real operation conditions. The redesign procedure is required in order to overcome the noted issues. This paper describes failure analysis, as well as structural redesign procedure for a beam element of an unconventional UAV. The fracture analysis is based on the numerical calculations of the deformation and stress state of the element, as well as ...experimental investigation of material characteristics. The developed redesign solution contains modifications in material of the element, as well as the changes in the structure design of the failure zone. The Finite Element Analysis is performed and discussed for both of the element structures: original design and redesign based on the fracture analysis. The conclusions obtained by the comparison of these Finite Element Analyses show the significant structure improvements in the stress concentration zone, achieved by the proposed redesign.

Keywords:
Fracture / Composite materials / Failure criteria / UVA / Redesign / Finite Element Analysis
Source:
1st International Conference on Mathematical Modelling in Mechanics and Engineering Mathematical Institute SANU, 2022, 156-
Publisher:
  • University of Belgrade - Faculty of Mechanical Engineering, Belgrade, Serbia

ISBN: 978-86-6060-127-0

[ Google Scholar ]
Handle
https://hdl.handle.net/21.15107/rcub_rims_481
URI
http://rims.institutims.rs/handle/123456789/481
Collections
  • Radovi istraživača / Researchers' publications
Institution/Community
Institut za ispitivanje materijala
TY  - CONF
AU  - Milić, Milica
AU  - Atanasovska, Ivana
AU  - Ristić, Ognjen
AU  - Momčilović, Dejan
PY  - 2022
UR  - http://rims.institutims.rs/handle/123456789/481
AB  - The high level of worthiness of unmanned aerial vehicles (UAV), particularly in everyday life, is something that will be common thing in close future. The design solutions for UAV us subject of constant innovation, focused on the improving structure performances and weight reducing. The use of new materials. like various composites, is necessary during this process to fulfill such demanding structural design requirements. Despite the fact that such kind of composite made UAV structures are subjected to the detailed calculation procedures and experimental verifications in the design phase, the fracture and failure can occur during testing in real operation conditions. The redesign procedure is required in order to overcome the noted issues.
This paper describes failure analysis, as well as structural redesign procedure for a beam element of an unconventional UAV. The fracture analysis is based on the numerical calculations of the deformation and stress state of the element, as well as experimental investigation of material characteristics. The developed redesign solution contains modifications in material of the element, as well as the changes in the structure design of the failure zone. The Finite Element Analysis is performed and discussed for both of the element structures: original design and redesign based on the fracture analysis. The conclusions obtained by the comparison of these Finite Element Analyses show the significant structure improvements in the stress concentration zone, achieved by the proposed redesign.
PB  - University of Belgrade - Faculty of Mechanical Engineering, Belgrade, Serbia
C3  - 1st International Conference on Mathematical Modelling in Mechanics and Engineering Mathematical Institute SANU
T1  - Failure analysis of beam of unmanned aerial vehicle
SP  - 156
UR  - https://hdl.handle.net/21.15107/rcub_rims_481
ER  - 
@conference{
author = "Milić, Milica and Atanasovska, Ivana and Ristić, Ognjen and Momčilović, Dejan",
year = "2022",
abstract = "The high level of worthiness of unmanned aerial vehicles (UAV), particularly in everyday life, is something that will be common thing in close future. The design solutions for UAV us subject of constant innovation, focused on the improving structure performances and weight reducing. The use of new materials. like various composites, is necessary during this process to fulfill such demanding structural design requirements. Despite the fact that such kind of composite made UAV structures are subjected to the detailed calculation procedures and experimental verifications in the design phase, the fracture and failure can occur during testing in real operation conditions. The redesign procedure is required in order to overcome the noted issues.
This paper describes failure analysis, as well as structural redesign procedure for a beam element of an unconventional UAV. The fracture analysis is based on the numerical calculations of the deformation and stress state of the element, as well as experimental investigation of material characteristics. The developed redesign solution contains modifications in material of the element, as well as the changes in the structure design of the failure zone. The Finite Element Analysis is performed and discussed for both of the element structures: original design and redesign based on the fracture analysis. The conclusions obtained by the comparison of these Finite Element Analyses show the significant structure improvements in the stress concentration zone, achieved by the proposed redesign.",
publisher = "University of Belgrade - Faculty of Mechanical Engineering, Belgrade, Serbia",
journal = "1st International Conference on Mathematical Modelling in Mechanics and Engineering Mathematical Institute SANU",
title = "Failure analysis of beam of unmanned aerial vehicle",
pages = "156",
url = "https://hdl.handle.net/21.15107/rcub_rims_481"
}
Milić, M., Atanasovska, I., Ristić, O.,& Momčilović, D.. (2022). Failure analysis of beam of unmanned aerial vehicle. in 1st International Conference on Mathematical Modelling in Mechanics and Engineering Mathematical Institute SANU
University of Belgrade - Faculty of Mechanical Engineering, Belgrade, Serbia., 156.
https://hdl.handle.net/21.15107/rcub_rims_481
Milić M, Atanasovska I, Ristić O, Momčilović D. Failure analysis of beam of unmanned aerial vehicle. in 1st International Conference on Mathematical Modelling in Mechanics and Engineering Mathematical Institute SANU. 2022;:156.
https://hdl.handle.net/21.15107/rcub_rims_481 .
Milić, Milica, Atanasovska, Ivana, Ristić, Ognjen, Momčilović, Dejan, "Failure analysis of beam of unmanned aerial vehicle" in 1st International Conference on Mathematical Modelling in Mechanics and Engineering Mathematical Institute SANU (2022):156,
https://hdl.handle.net/21.15107/rcub_rims_481 .

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