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Parametric studies of the performance of particle dampers under harmonic excitation
particle damper parametric study discrete-element method impact momentum
2014/4/10
The performance of particle dampers under dynamic loads is very complicated and highly nonlinear;consequently, no guidelines currently exist for determining the optimum strategies for maximizing their...
Study of Aeration Performance of Open Channel Chutes Equipped with a Flip Bucket
Aeration eciency Chute Dissolved oxygen Flip bucket Open channel Oxygen transfer
2009/10/12
An adequate supply of dissolved oxygen (DO) is essential for the survival of aquatic organisms. Hydraulic structures can increase DO levels by creating turbulent conditions where small air bubbles are...
Performance-Based Design Examples for Steel Moment-Resisting Frames with Supplemental Damping
Performance-based Steel Moment-Resisting Frames Supplemental Damping Displacement-dependent
2009/2/20
The goal of this paper is to present a design procedure for steel moment-resisting frames with supplemental damping with performance-based design constraints. The first design example is based on a 4-...
Enhancing the performance under close-in detonations with polymer reinforced CRC
CRC reinforcement shock polymer finite element
2009/2/18
Compact Reinforced Composite, CRC, is a high-strength cement-based composite possessing an enormous flexural and energy-absorbing capacity due to close-spaced high strength steel reinforcement and a h...
Seismic performance of pile-to-pile cap connections: An investigation of design issues
Pile-to-pile cap connections nonlinear finite element analysis seismic performance
2009/2/18
Damage in recent earthquakes has resulted in the design of pile foundation systems becoming more conservative, particularly pile-to-pile cap connections. However, the application of current internatio...
Next-generation performance based earthquake engineering
earthquake engineering Next-generation
2009/1/15
The next-generation tools and procedures for performance-based earthquake engineering that are being developed in the United States represent a radical departure from traditional seismic design practi...