DOI: 10.1002/2015GL063712
论文题名: Boulder dislodgement and transport by solitary waves: Insights from three-dimensional numerical simulations
作者: Zainali A. ; Weiss R.
刊名: Geophysical Research Letters
ISSN: 0094-9130
EISSN: 1944-8861
出版年: 2015
卷: 42, 期: 11 起始页码: 4490
结束页码: 4497
语种: 英语
英文关键词: numerical simulations
; solitary wave
; SPH
; storm and tsunami waves
Scopus关键词: Aspect ratio
; Computer simulation
; Hydrodynamics
; Numerical models
; Storms
; Tsunamis
; Boulder transports
; Non-dimensional parameters
; Rigidbody dynamics
; SPH
; Three dimensional simulations
; Three-dimensional numerical simulations
; Transport process
; Tsunami waves
; Solitons
英文摘要: The analysis of boulder motion and dislodgement provides important insights into the physics of the causative processes, i.e., whether or not a boulder was moved during a storm or tsunami and the magnitude of the respective event. Previous studies were mainly based on simplified models and threshold considerations. We employ three-dimensional numerical simulation of the hydrodynamics coupled with rigid body dynamics to study boulder dislodgement and transport by solitary waves. We explore the effects of three important nondimensional parameters on the boulder transport problem, the Froude number Fr, the aspect ratio in logarithmic scale α, and the submergence factor, β. Our results indicate that boulder motion is complex, and small changes in one of the nondimensional parameters result in significantly different behavior during the transport process and the final resting place of boulders. More studies are needed to determine the role of boulders in tsunami and storm hazard assessments. ©2015. American Geophysical Union. All Rights Reserved. URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84934442684&doi=10.1002%2f2015GL063712&partnerID=40&md5=133f91b6c6c349e1b2e4ce7ad49e4ca6
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/8746
Appears in Collections: 科学计划与规划 气候变化与战略
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作者单位: Department of Geosciences, Virginia Polytechnic Institute, State University, Blacksburg, VA, United States
Recommended Citation:
Zainali A.,Weiss R.. Boulder dislodgement and transport by solitary waves: Insights from three-dimensional numerical simulations[J]. Geophysical Research Letters,2015-01-01,42(11).