Nonlinearities of an aircraft piccolo tube: Identification and modeling

T. Dossogne; P. Trillet; M. Schoukens; B. Bernay; J.P. Noël; G. Kerschen

doi:10.1007/978-3-319-74793-4_8

Nonlinearities of an aircraft piccolo tube: Identification and modeling

T. Dossogne, P. Trillet, M. Schoukens, B. Bernay, J.P. Noël, G. Kerschen

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

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Abstract

Piccolo tubes are parts of aircraft wings anti-icing system and consist of titanium pipes inserted into the internal structure of the slat. Due to differential thermal expansion, clearances between the tube and its support are unavoidable and cause the overall system to exhibit highly nonlinear behavior, resulting from impacts and friction. This paper addresses the identification and modeling of the nonlinearities present in the slat-Piccolo tube connection. The complete identification procedure, from nonlinearity detection and characterization to parameter estimation, is carried out based upon sine-sweep measurements. The use of several techniques, such as the acceleration surface method, enables to understand the complex dynamics of the Piccolo tube and build a reliable model of its nonlinearities. In particular, the parameters of nonsmooth nonlinear stiffness and damping mechanisms are estimated. The nonlinear model is finally validated on standard qualification tests for airborne equipments.

Original language	English
Title of host publication	Model Validation and Uncertainty Quantification - Proceedings of the 36th IMAC, A Conference and Exposition on Structural Dynamics 2018
Subtitle of host publication	Proceedings of the 36th IMAC, A Conference and Exposition on Structural Dynamics 2018
Editors	Robert Barthorpe
Place of Publication	Cham
Publisher	Springer
Pages	57-59
Number of pages	3
Volume	3
ISBN (Electronic)	978-3-319-74793-4
ISBN (Print)	978-3-319-74792-7
DOIs	https://doi.org/10.1007/978-3-319-74793-4_8
Publication status	Published - 2019
Event	36th IMAC, A Conference and Exposition on Structural Dynamics, 2018 - Orlando, United States Duration: 12 Feb 2018 → 15 Feb 2018

Publication series

Name	Conference Proceedings of the Society for Experimental Mechanics Series
ISSN (Print)	2191-5644
ISSN (Electronic)	2191-5652

Conference

Conference	36th IMAC, A Conference and Exposition on Structural Dynamics, 2018
Country/Territory	United States
City	Orlando
Period	12/02/18 → 15/02/18

Funding

Acknowledgements The authors T. Dossogne and J.P. Noël are Research Fellow (FRIA fellowship) and Postdoctoral Researcher, respectively, of the Fonds de la Recherche Scientifique – FNRS which is gratefully acknowledged.

Keywords

Acceleration surface method (ASM)
Aircraft anti-icing system
Contact force model
Finite element model updating
Finite element model upgrading
Nonlinear system identification
Piccolo tube
Vibroimpact

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10.1007/978-3-319-74793-4_8

Cite this

Dossogne, T., Trillet, P., Schoukens, M., Bernay, B., Noël, J. P., & Kerschen, G. (2019). Nonlinearities of an aircraft piccolo tube: Identification and modeling. In R. Barthorpe (Ed.), Model Validation and Uncertainty Quantification - Proceedings of the 36th IMAC, A Conference and Exposition on Structural Dynamics 2018: Proceedings of the 36th IMAC, A Conference and Exposition on Structural Dynamics 2018 (Vol. 3, pp. 57-59). (Conference Proceedings of the Society for Experimental Mechanics Series). Springer. https://doi.org/10.1007/978-3-319-74793-4_8

Dossogne, T. ; Trillet, P. ; Schoukens, M. et al. / Nonlinearities of an aircraft piccolo tube : Identification and modeling. Model Validation and Uncertainty Quantification - Proceedings of the 36th IMAC, A Conference and Exposition on Structural Dynamics 2018: Proceedings of the 36th IMAC, A Conference and Exposition on Structural Dynamics 2018. editor / Robert Barthorpe. Vol. 3 Cham : Springer, 2019. pp. 57-59 (Conference Proceedings of the Society for Experimental Mechanics Series).

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abstract = "Piccolo tubes are parts of aircraft wings anti-icing system and consist of titanium pipes inserted into the internal structure of the slat. Due to differential thermal expansion, clearances between the tube and its support are unavoidable and cause the overall system to exhibit highly nonlinear behavior, resulting from impacts and friction. This paper addresses the identification and modeling of the nonlinearities present in the slat-Piccolo tube connection. The complete identification procedure, from nonlinearity detection and characterization to parameter estimation, is carried out based upon sine-sweep measurements. The use of several techniques, such as the acceleration surface method, enables to understand the complex dynamics of the Piccolo tube and build a reliable model of its nonlinearities. In particular, the parameters of nonsmooth nonlinear stiffness and damping mechanisms are estimated. The nonlinear model is finally validated on standard qualification tests for airborne equipments.",

keywords = "Acceleration surface method (ASM), Aircraft anti-icing system, Contact force model, Finite element model updating, Finite element model upgrading, Nonlinear system identification, Piccolo tube, Vibroimpact",

author = "T. Dossogne and P. Trillet and M. Schoukens and B. Bernay and J.P. No{\"e}l and G. Kerschen",

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Dossogne, T, Trillet, P, Schoukens, M, Bernay, B, Noël, JP & Kerschen, G 2019, Nonlinearities of an aircraft piccolo tube: Identification and modeling. in R Barthorpe (ed.), Model Validation and Uncertainty Quantification - Proceedings of the 36th IMAC, A Conference and Exposition on Structural Dynamics 2018: Proceedings of the 36th IMAC, A Conference and Exposition on Structural Dynamics 2018. vol. 3, Conference Proceedings of the Society for Experimental Mechanics Series, Springer, Cham, pp. 57-59, 36th IMAC, A Conference and Exposition on Structural Dynamics, 2018, Orlando, Florida, United States, 12/02/18. https://doi.org/10.1007/978-3-319-74793-4_8

Nonlinearities of an aircraft piccolo tube: Identification and modeling. / Dossogne, T.; Trillet, P.; Schoukens, M. et al.
Model Validation and Uncertainty Quantification - Proceedings of the 36th IMAC, A Conference and Exposition on Structural Dynamics 2018: Proceedings of the 36th IMAC, A Conference and Exposition on Structural Dynamics 2018. ed. / Robert Barthorpe. Vol. 3 Cham: Springer, 2019. p. 57-59 (Conference Proceedings of the Society for Experimental Mechanics Series).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

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AU - Noël, J.P.

AU - Kerschen, G.

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N2 - Piccolo tubes are parts of aircraft wings anti-icing system and consist of titanium pipes inserted into the internal structure of the slat. Due to differential thermal expansion, clearances between the tube and its support are unavoidable and cause the overall system to exhibit highly nonlinear behavior, resulting from impacts and friction. This paper addresses the identification and modeling of the nonlinearities present in the slat-Piccolo tube connection. The complete identification procedure, from nonlinearity detection and characterization to parameter estimation, is carried out based upon sine-sweep measurements. The use of several techniques, such as the acceleration surface method, enables to understand the complex dynamics of the Piccolo tube and build a reliable model of its nonlinearities. In particular, the parameters of nonsmooth nonlinear stiffness and damping mechanisms are estimated. The nonlinear model is finally validated on standard qualification tests for airborne equipments.

AB - Piccolo tubes are parts of aircraft wings anti-icing system and consist of titanium pipes inserted into the internal structure of the slat. Due to differential thermal expansion, clearances between the tube and its support are unavoidable and cause the overall system to exhibit highly nonlinear behavior, resulting from impacts and friction. This paper addresses the identification and modeling of the nonlinearities present in the slat-Piccolo tube connection. The complete identification procedure, from nonlinearity detection and characterization to parameter estimation, is carried out based upon sine-sweep measurements. The use of several techniques, such as the acceleration surface method, enables to understand the complex dynamics of the Piccolo tube and build a reliable model of its nonlinearities. In particular, the parameters of nonsmooth nonlinear stiffness and damping mechanisms are estimated. The nonlinear model is finally validated on standard qualification tests for airborne equipments.

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Dossogne T, Trillet P, Schoukens M, Bernay B, Noël JP, Kerschen G. Nonlinearities of an aircraft piccolo tube: Identification and modeling. In Barthorpe R, editor, Model Validation and Uncertainty Quantification - Proceedings of the 36th IMAC, A Conference and Exposition on Structural Dynamics 2018: Proceedings of the 36th IMAC, A Conference and Exposition on Structural Dynamics 2018. Vol. 3. Cham: Springer. 2019. p. 57-59. (Conference Proceedings of the Society for Experimental Mechanics Series). doi: 10.1007/978-3-319-74793-4_8

Nonlinearities of an aircraft piccolo tube: Identification and modeling

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