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A risk-informed framework for performance-based seismic design of Ball Track Nonlinear Energy Sinks (BT-NES)
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DOI：10.1016/j.strusafe.2026.102748.png)
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Abstract
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• First PBSDO/RBDO for seismic design of Ball Track NES (BT-NES) devices. • Pushover-based static condensation for efficient nonlinear system reliability. • Risk-informed framework integrates nonlinear BT-NES response and seismic hazard. • PGA vs. Sa(T1s): intensity measure influence on risk-based design is evaluated. • Optimized BT-NES cuts expected life-cycle cost by ∼ 50%, boosting resilience.
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