Abstract
ABSTRACT A reliability-based tuning of magneto-rheological elastomer is presented in this work for optimal control under non-stationary seismic ground motion. This smart isolator offers flexibility to the designer as it can change characteristics in the presence of the electric field. However, their phenomenological property needs to be tuned for site-specific demand. The problem is solved using the polynomial chaos-kriging model and the methodology is demonstrated using both process-specific and scenario-specific ensemble ground motion. The numerical analysis clearly shows the advantages of the proposed reliability-based design over the deterministic design of the isolation system.
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