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q-Advanced Models for Tsunami and Rogue Waves
Joint Authors
Spurr, M. J.
Pravica, D. W.
Randriampiry, N.
Source
Issue
Vol. 2012, Issue 2012 (31 Dec. 2012), pp.1-26, 26 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2012-09-25
Country of Publication
Egypt
No. of Pages
26
Main Subjects
Abstract EN
A wavelet Kq(t), that satisfies the q-advanced differential equation Kq′(t)=Kq(qt) for q>1, is used to model N-wave oscillations observed in tsunamis.
Although q-advanced ODEs may seem nonphysical, we present an application that model tsunamis, in particular the Japanese tsunami of March 11, 2011, by utilizing a one-dimensional wave equation that is forced by Fq(t,x)=Kq(t)qSin(x).
The profile Fq is similar to tsunami models in present use.
The function Sin (t) q is a wavelet that satisfies a q-advanced harmonic oscillator equation.
It is also shown that another wavelet, Cos (t) q , matches a rogue-wave profile.
This is explained in terms of a resonance wherein two small amplitude forcing waves eventually lead to a large amplitude rogue.
Since wavelets are used in the detection of tsunamis and rogues, the signal-analysis performance of Kq and Cos q is examined on actual data.
American Psychological Association (APA)
Pravica, D. W.& Randriampiry, N.& Spurr, M. J.. 2012. q-Advanced Models for Tsunami and Rogue Waves. Abstract and Applied Analysis،Vol. 2012, no. 2012, pp.1-26.
https://search.emarefa.net/detail/BIM-470236
Modern Language Association (MLA)
Pravica, D. W.…[et al.]. q-Advanced Models for Tsunami and Rogue Waves. Abstract and Applied Analysis No. 2012 (2012), pp.1-26.
https://search.emarefa.net/detail/BIM-470236
American Medical Association (AMA)
Pravica, D. W.& Randriampiry, N.& Spurr, M. J.. q-Advanced Models for Tsunami and Rogue Waves. Abstract and Applied Analysis. 2012. Vol. 2012, no. 2012, pp.1-26.
https://search.emarefa.net/detail/BIM-470236
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-470236