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Normal mode decomposition for identification of storm tide and tsunami hazard
AbstractNormal mode decomposition is shown to be a useful analysis methodology in the evaluation of storm tide and tsunami hazard at a coastal site. The prediction of the normal modes, the basin eigenmodes, is formulated as a Sturm–Liouville problem. Numerical solution follows transformation to a matrix eigenvalue problem. Numerical implementation issues are identified and resolved, and typical eigenmode solutions for spatially varied basins in one and two spatial dimensions are given. A spectral line plot is demonstrated as a suitable analysis summary for an historical storm tide or tsunami event. Prediction of the response amplitudes at the discrete eigenmodes is formulated and solved as a problem in multi-dimensional optimization.
Normal mode decomposition for identification of storm tide and tsunami hazard
AbstractNormal mode decomposition is shown to be a useful analysis methodology in the evaluation of storm tide and tsunami hazard at a coastal site. The prediction of the normal modes, the basin eigenmodes, is formulated as a Sturm–Liouville problem. Numerical solution follows transformation to a matrix eigenvalue problem. Numerical implementation issues are identified and resolved, and typical eigenmode solutions for spatially varied basins in one and two spatial dimensions are given. A spectral line plot is demonstrated as a suitable analysis summary for an historical storm tide or tsunami event. Prediction of the response amplitudes at the discrete eigenmodes is formulated and solved as a problem in multi-dimensional optimization.
Normal mode decomposition for identification of storm tide and tsunami hazard
Sobey, Rodney J. (author)
Coastal Engineering ; 53 ; 289-301
2005-01-01
13 pages
Article (Journal)
Electronic Resource
English
Eigenmode , Eigenvalue , Hazard , Normal mode , Numerical , Seiche , Storm tide , Sturm–Liouville , Tsunami
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