Damage Evolution Modeling for Steel Structures Subjected to Combined High Cycle Fatigue and High-Intensity Dynamic Loadings

Autor:	Xuhong Zhou, Yongtao Bai, Deborah C. Nardi, Yuqian Wang, Yuhang Wang, Zhanfang Liu, Ricardo A. Picón, Julio Flórez-López
Rok vydání:	2022
Předmět:	Applied Mathematics Mechanical Engineering Aerospace Engineering Ocean Engineering Building and Construction Civil and Structural Engineering
Zdroj:	International Journal of Structural Stability and Dynamics. 22
ISSN:	1793-6764 0219-4554
Popis:	This paper presents a method for modeling the initiation and propagation of the damage in steel structures under combined fatigue loading. An existing model in the literature is used as the main key to the development of the new formulation herein proposed, where a significant computational improvement for the cracking incubation phase under high cycle fatigue (HCF) is achieved. The results show a satisfactory comparison with experimental data available in the literature and the carried parametric simulations demonstrate the effectiveness of the model once strength reduction could be estimated after 0, 20, 40, and 60 years of HCF. The reduction of the structural capacity was evaluated by the consideration of the final damage due to a high-intensity dynamic loading at the end of the HCF phase.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::b0ddc7f7c9019b9224939df8e7578d7b https://doi.org/10.1142/s0219455422400120 Zobrazit plný text záznamu