Optimal dissipative coupling design of two oscillators based on nonlinear stochastic response

Francesco Potenza; Vincenzo Gattulli; Billie F. Spencer

doi:10.7712/120119.7155.19456

Optimal dissipative coupling design of two oscillators based on nonlinear stochastic response

Francesco Potenza, Vincenzo Gattulli, Billie F. Spencer

Civil and Environmental Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

The work proposes an optimization procedure for the design of a nonlinear dissipative coupling device of two oscillators subjected to stochastic dynamic excitation. Two simple oscillators connected by Bouc-Wen type hysteretic device describe the system. Zero-mean filtered white noise is the base excitation. The knowledge of the stationary response variances, evaluated by equivalent linearization permits to define the optimization problem to design the device. Finally, Monte Carlo simulations using filtered white noise and natural earthquake records at different levels of seismic magnitude conclude the evaluation of the procedure efficacy.

Original language	English (US)
Title of host publication	COMPDYN 2019 - 7th International Conference on Computational Methods in Structural Dynamics and Earthquake Engineering, Proceedings
Editors	Manolis Papadrakakis, Michalis Fragiadakis
Publisher	National Technical University of Athens
Pages	3395-3402
Number of pages	8
ISBN (Electronic)	9786188284470
DOIs	https://doi.org/10.7712/120119.7155.19456
State	Published - 2019
Event	7th International Conference on Computational Methods in Structural Dynamics and Earthquake Engineering, COMPDYN 2019 - Crete, Greece Duration: Jun 24 2019 → Jun 26 2019

Publication series

Name	COMPDYN Proceedings
Volume	2
ISSN (Print)	2623-3347

Conference

Conference	7th International Conference on Computational Methods in Structural Dynamics and Earthquake Engineering, COMPDYN 2019
Country	Greece
City	Crete
Period	6/24/19 → 6/26/19

Keywords

Dissipative coupling
Nonlinear response
Stochastic load
Structural optimization

ASJC Scopus subject areas

Computers in Earth Sciences
Geotechnical Engineering and Engineering Geology
Computational Mathematics
Civil and Structural Engineering

Access to Document

10.7712/120119.7155.19456

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Cite this

Potenza, F., Gattulli, V., & Spencer, B. F. (2019). Optimal dissipative coupling design of two oscillators based on nonlinear stochastic response. In M. Papadrakakis, & M. Fragiadakis (Eds.), COMPDYN 2019 - 7th International Conference on Computational Methods in Structural Dynamics and Earthquake Engineering, Proceedings (pp. 3395-3402). (COMPDYN Proceedings; Vol. 2). National Technical University of Athens. https://doi.org/10.7712/120119.7155.19456

Optimal dissipative coupling design of two oscillators based on nonlinear stochastic response. / Potenza, Francesco; Gattulli, Vincenzo; Spencer, Billie F.

COMPDYN 2019 - 7th International Conference on Computational Methods in Structural Dynamics and Earthquake Engineering, Proceedings. ed. / Manolis Papadrakakis; Michalis Fragiadakis. National Technical University of Athens, 2019. p. 3395-3402 (COMPDYN Proceedings; Vol. 2).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Potenza, F, Gattulli, V & Spencer, BF 2019, Optimal dissipative coupling design of two oscillators based on nonlinear stochastic response. in M Papadrakakis & M Fragiadakis (eds), COMPDYN 2019 - 7th International Conference on Computational Methods in Structural Dynamics and Earthquake Engineering, Proceedings. COMPDYN Proceedings, vol. 2, National Technical University of Athens, pp. 3395-3402, 7th International Conference on Computational Methods in Structural Dynamics and Earthquake Engineering, COMPDYN 2019, Crete, Greece, 6/24/19. https://doi.org/10.7712/120119.7155.19456

Potenza F, Gattulli V, Spencer BF. Optimal dissipative coupling design of two oscillators based on nonlinear stochastic response. In Papadrakakis M, Fragiadakis M, editors, COMPDYN 2019 - 7th International Conference on Computational Methods in Structural Dynamics and Earthquake Engineering, Proceedings. National Technical University of Athens. 2019. p. 3395-3402. (COMPDYN Proceedings). https://doi.org/10.7712/120119.7155.19456

Potenza, Francesco ; Gattulli, Vincenzo ; Spencer, Billie F. / Optimal dissipative coupling design of two oscillators based on nonlinear stochastic response. COMPDYN 2019 - 7th International Conference on Computational Methods in Structural Dynamics and Earthquake Engineering, Proceedings. editor / Manolis Papadrakakis ; Michalis Fragiadakis. National Technical University of Athens, 2019. pp. 3395-3402 (COMPDYN Proceedings).

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abstract = "The work proposes an optimization procedure for the design of a nonlinear dissipative coupling device of two oscillators subjected to stochastic dynamic excitation. Two simple oscillators connected by Bouc-Wen type hysteretic device describe the system. Zero-mean filtered white noise is the base excitation. The knowledge of the stationary response variances, evaluated by equivalent linearization permits to define the optimization problem to design the device. Finally, Monte Carlo simulations using filtered white noise and natural earthquake records at different levels of seismic magnitude conclude the evaluation of the procedure efficacy.",

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