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Smart Structures and Systems Volume 28, Number 1, July 2021 , pages 105-119 DOI: https://doi.org/10.12989/sss.2021.28.1.105 |
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Advancing real-time hybrid simulation for coupled nonlinear soil-isolator-structure system |
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Hongwei Li, Amin Maghareh, Johnny W.C. Uribe, Herta Montoya, Shirley J. Dyke and Zhaodong Xu
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| Abstract | ||
| Experiments involving soil-structure interaction are often constrained by the capacity and other limitations of the shake table. Additionally, it is usually necessary to consider different types of soil in experiments. Real-time hybrid simulation (RTHS) offers an alternative method to conduct such tests. RTHS is a cyber-physical testing technique that splits the dynamic system under investigation into numerical and physical components, and then realistically couples those components in a single test. A limited number of previous studies involving soil-structure interaction have been conducted using RTHS, with a focus on linear models and systems. The presence of isolators was not considered in these studies to the authors | ||
| Key Words | ||
| nonlinear dynamics; nonlinear shake table; real-time hybrid simulation; sliding isolation; sliding mode control; soil-isolator-structure interaction | ||
| Address | ||
| (1) Hongwei Li, Zhaodong Xu: Key Laboratory of C&PC Structures of the Ministry of Education, Southeast University, Nanjing, 210096, China; (2) Amin Maghareh, Shirley J. Dyke: School of Mechanical Engineering, Purdue University, West Lafayette, IN 47907, USA; (3) Johnny W.C. Uribe, Herta Montoya: Lyles School of Civil Engineering, Purdue University, West Lafayette, IN 47907, USA. | ||