Tsunamis (Seismic Sea Waves): An Investigation of Overland Flow and Wave-Structure Interaction

海啸（地震海浪）：地表水流和波-结构相互作用的研究

• 批准号: 9115422
• 负责人: Fredric Raichlen
• 金额: $ 46.8万
• 依托单位: California Institute of Technology
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 1992
• 资助国家: 美国
• 起止时间: 1992-01-15 至 1997-07-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9115422&HistoricalAwards=false
• 关键词: Tsunamis; Seismic; Sea; Waves; Investigation; Tsunamis; Seismic; Sea; Waves; Investigation

Tsunamis are ocean waves generated by an impulsive geophysical event, such as an earthquake. Historically, Hawaii and Alaska have been the areas of the U.S. affected by tsunami impact. The objective of this research program is to study the runup of a tsunami onto a coastline, the overland flow of tsunamis, and their interaction with structures located in the nearshore regions. Specifically, it is investigating: (1) The shape, kinematic characteristics and shoreward limit of propagation of the overland flow of the surge which may develop at the shoreline due to the tsunami. (2) The determination of the forces and pressures imposed on two-dimensional and three-dimensional structures by an impinging surge. This investigation is directed toward the mitigation of tsunami hazards by contributing to the knowledge needed: to improve tsunami warning systems, to estimate the overland flow of a tsunami-induced surge, and to design structures located near the shoreline which could be impacted by such a surge.

海啸是由冲动地球物理事件（例如地震）产生的海浪。 从历史上看，夏威夷和阿拉斯加一直是受到海啸影响影响的美国地区。 该研究计划的目的是研究海啸到达海岸线，海啸陆上流以及与位于近岸地区的结构的相互作用。 具体而言，它正在研究：（1）由于海啸而导致的海岸线可能在海岸线上发展的陆上流动的形状，运动学特征和毛茸茸的限制。 （2）通过撞击激增，确定对二维和三维结构施加的力和压力。 这项调查是针对缓解海啸危害的方法，通过促进所需的知识来缓解海啸危害：改善海啸警告系统，估计海啸引起的激增的陆上流，并设计位于海岸线附近的结构，可能受到这种激增的影响。