Experimental Validation of Riveting Process Fe Simulation

• Autorzy: Wronicz W.

Identyfikatory

DOI

10.2478/fas-2018-0006

• Języki publikacji: EN

Abstrakty

EN

Rivets are critical areas in metal airframes from the fatigue point of view. Fatigue behaviour of riveted joints depends strongly on the residual stress system around the rivet holes. The both most convenient and most common method of determining these stresses is the Finite Element (FE) analyses. The validation of models used is necessary to ensure the reliability of results. This paper presents the validation process of the riveting FE simulations for the universal and the countersunk rivets. At first, the material model of the rivets was validated with the use of the force-displacement curves of the press stamp obtained experimentally. Because of the displacement measurement method, it was necessary to take into account the flexibility of the stand. After that, good correlation between the numerical simulations and the experiment was obtained for both rivet types. At the second stage, strains around driven heads measured with the use of strip gauge patterns were compared with the results of the FE simulations. Quite good correlation was obtained for the countersunk rivet. In the case of the universal rivet, the numerical results are significantly higher values than the measured ones. Differences in correlation of the experiments and FE simulations for the analysed rivet types probably result from material differences of the rivets.

Słowa kluczowe

EN

rivets; riveting process modelling; experimental validation

• Wydawca: Wydawnictwa Naukowe Sieci Badawczej Łukasiewicz - Instytutu Lotnictwa
• Czasopismo: Fatigue of Aircraft Structures
• Rocznik: 2018
• Tom: Iss. 10
• Strony: 63--72
• Opis fizyczny: Bibliogr. 11 poz., rys., wykr.

Twórcy

autor

Wronicz W.

• Institute of Aviation, Warsaw, Poland

Bibliografia

• [1] S. J. Findlay and N. D. Harrison, ‘Why aircraft fail’, Mater. Today, vol. 5, no. 11, pp. 18-25, Nov. 2002.
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• [5] R. P. G. Müller, ‘An experimental and analytical investigation on the fatigue behaviour of fuselage riveted lap joints’, Delft University of Technology, Delft, 1995.
• [6] A. Skorupa and M. Skorupa, Riveted Lap Joints in Aircraft Fuselage: Design, Analysis and Properties, 2012th ed. Dordrecht ; New York: Springer, 2012.
• [7] J. J. Homan and A. A. Jongebreur, ‘Calculation method for Predicting the Fatigue Life of Riveted Joints’, in Durability and structural integrity of air-frames, Stockholm, Sweden, 1993, vol. 1, pp. 175-190.
• [8] W. Wronicz and J. Kaniowski, ‘Experimental and Numerical Study of Strain Progress During and After Riveting Process for Brazier Rivet and Rivet with Compensator-Squeezing Force and Rivet Type Effect’, Fatigue Aircr. Struct., vol. 2011, no. 3, pp. 166-190, 2011.
• [9] W. Wronicz, ‘Comparison of Residual Stress State on Sheets Faying Surface after Standard and NACA Riveting-Numerical Approach’, Fatigue Aircr. Struct., vol. 2016, no. 8, pp. 116-126, 2016.
• [10] W. Wronicz, J. Kaniowski, M. Malicki, P. Kucio, and R. Klewicki, ‘Experimental and numerical study of NACA and conventional riveting procedure’, Fatigue Aircr. Struct., vol. 2017, no. 9, pp. 157-170, 2017.
• [11] J. Fárek, ‘FE-Modelling Methodology of Riveted Joints’, Czech Aerosp. Proc. J. Czech Aerosp. Res., vol. 2010, no. 3, pp. 12-16, 2010.

Uwagi

EN

1. The researches were financed from the subsidy granted by the Polish Ministry of Science and Higher Education for statutory activities of the Institute of Aviation, Warsaw, Poland

PL

2. Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019).