Vibration Fatigue Analysis of the Structure under Thermal Loading

Min Zheng; Fan Shen; Pei Luo

doi:10.4028/www.scientific.net/AMR.853.559

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 853Vibration Fatigue Analysis of the Structure under...

Vibration Fatigue Analysis of the Structure under Thermal Loading

Abstract:

The fatigue problem of structures under concurrent thermal and vibration loading has not been thoroughly studied even though it is common in applications of aero-engine combustor liners. Here we attempt to explore such a problem using a simplified combustor liner model that is implemented by the commercial finite element software ANSYS Workbench. The modal parameters at various temperatures are calculated and the fatigue behavior under stochastic base excitation and thermal environment are analyzed. The results show that thermal loading not only has an effect on dynamic characteristics but also reduces the vibration fatigue life of the structure.

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Periodical:

Advanced Materials Research (Volume 853)

Pages:

559-564

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.853.559

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Online since:

December 2013

Authors:

Min Zheng, Fan Shen*, Pei Luo

Keywords:

Fatigue Life, Thermal Loading, Thermal Mode, Vibration Fatigue

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* - Corresponding Author

References

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[3] Luo P.: Analysis on Structural Vibration Fatigue Life under Thermal Load. Bachelor's Thesis in Vehicle Operation Engineering. Nanjing University of Aeronautics and Astronautics (2013).

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