Computational Challenges in Real-Time Hybrid Simulation of Tall Buildings under Multiple Natural Hazards

Chinmoy Kolay; James M. Ricles; Thomas M. Marullo; Safwan Al-Subaihawi; Spencer E. Quiel

doi:10.4028/www.scientific.net/KEM.763.566

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 763Computational Challenges in Real-Time Hybrid...

Computational Challenges in Real-Time Hybrid Simulation of Tall Buildings under Multiple Natural Hazards

Abstract:

The essence of real-time hybrid simulation (RTHS) is its ability to combine the benefits ofphysical testing with those of computational simulations. Therefore, an understanding of the real-timecomputational issues and challenges is important, especially for RTHS of large systems, in advancingthe state of the art. To this end, RTHS of a 40-story (plus 4 basement stories) tall building havingnonlinear energy dissipation devices for mitigation of multiple natural hazards, including earthquakeand wind events, were conducted at the NHERI Lehigh Experimental Facility. An efficient implementationprocedure of the recently proposed explicit modified KR-a (MKR-a) method was developedfor performing the RTHS. This paper discusses this implementation procedure and the real-time computationalissues and challenges with regard to this implementation procedure. Some results from theRTHS involving earthquake loading are presented to highlight the need for and application of RTHSin performance based design of tall buildings under earthquake hazard.

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Periodical:

Key Engineering Materials (Volume 763)

Pages:

566-575

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.763.566

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Online since:

February 2018

Authors:

Chinmoy Kolay, James M. Ricles*, Thomas M. Marullo, Safwan Al-Subaihawi, Spencer E. Quiel

Keywords:

Braced Frame, Computational Simulation, Large Analytical Substructure, Non-Linear Damper, Real-Time Hybrid Simulation, Seismic

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* - Corresponding Author

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