Energy-based seismic engineering has become an established approach for designing conventional an innovative structural systems, interpreting structural response, evaluating the damaging potential of ground motions, and quantifying earthquake-induced damage. Over time, it has developed into a broad framework encompassing the evaluation of seismic intensity parameters, the characterization of ground motions in terms of energy input, and applications to the seismic design, assessment, and retrofit of buildings and other structures, including those equipped with seismic isolation or supplemental energy dissipation systems. In recent years, advances in performance-based engineering, resilience-oriented assessment, experimental and computational methods, and related technologies have renewed international interest in this field. These developments highlight the growing maturity and relevance of energy-based approaches and make this an appropriate time for a focused Research Topic on new trends and developments.

Although energy-based seismic engineering is now well established in earthquake engineering, important questions remain about how it can be applied consistently across ground motion characterization, structural response, damage evaluation, and engineering practice. Key questions include how energy-based seismic intensity parameters can better capture the damaging potential of ground motions and how energy input can be linked to structural performance and damage. Further questions concern how energy-based concepts can be more effectively used in the design, assessment, and retrofit of buildings and other structures, including those equipped with seismic isolation or supplemental energy dissipation systems. Recent advances in performance-based engineering, resilience-oriented assessment, computational simulation, experimental methods, and related technologies provide new opportunities to address these issues. This Research Topic aims to bring together contributions that explore these questions and help develop a more coherent and practically relevant vision for energy-based seismic engineering.

This Research Topic welcomes contributions on recent advances in energy-based seismic engineering, covering both fundamental aspects and engineering applications, including, but not limited to, the following topics:

・energy-based characterization of ground motions, including seismic intensity parameters, energy input, and damaging potential
・directional effects of near-fault ground motions from an energy-based perspective
・structural response, damage, and performance evaluation based on energy concepts
・energy-based seismic design and retrofit of structures, including those equipped with seismic isolation or supplemental energy dissipation systems
・residual seismic performance and seismic sequence effects from an energy-based perspective
・experimental and hybrid methods in energy-based seismic engineering

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New Trends and Developments in Energy-Based Seismic Engineering