Abstract
Multi-objective optimisation of damper placement in dynamically similar adjacent buildings is considered with identical viscoelastic dampers used for vibration control. An exhaustive search is used to describe the solution space in terms of various quantities of interest such as maximum top floor displacement, maximum floor acceleration, base shear and inter-storey drift. With the help of examples, it is pointed out that the Pareto fronts in these problems contain a very small number of solutions. The effectiveness of two commonly used multi-objective evolutionary algorithms, viz. NSGA-II and MOPSO, is evaluated for a specific example.
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Acknowledgements
This work was partially supported by the Science and Engineering Board (SERB), Department of Science and Technology (DST), Government of India. Financial support from DST in the form of Fund for Improvement of S&T Infrastructure (FIST) is also gratefully acknowledged. M.B.P. would like to thank Prof. Kumar Appaiah, IIT Bombay, for discussions related to programming aspects.
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Patil, M.B., Ramakrishna, U. & Mohan, S.C. Multi-objective optimisation of damper placement for improved seismic response in dynamically similar adjacent buildings. Sādhanā 45, 202 (2020). https://doi.org/10.1007/s12046-020-01419-w
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DOI: https://doi.org/10.1007/s12046-020-01419-w