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国际流体力学研究期刊

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ISSN 打印: 2152-5102

ISSN 在线: 2152-5110

The Impact Factor measures the average number of citations received in a particular year by papers published in the journal during the two preceding years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) IF: 1.1 To calculate the five year Impact Factor, citations are counted in 2017 to the previous five years and divided by the source items published in the previous five years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) 5-Year IF: 1.3 The Eigenfactor score, developed by Jevin West and Carl Bergstrom at the University of Washington, is a rating of the total importance of a scientific journal. Journals are rated according to the number of incoming citations, with citations from highly ranked journals weighted to make a larger contribution to the eigenfactor than those from poorly ranked journals. Eigenfactor: 0.0002 The Journal Citation Indicator (JCI) is a single measurement of the field-normalized citation impact of journals in the Web of Science Core Collection across disciplines. The key words here are that the metric is normalized and cross-disciplinary. JCI: 0.33 SJR: 0.256 SNIP: 0.49 CiteScore™:: 2.4 H-Index: 23

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Propagation of the Dec. 26, 2004, Indian Ocean Tsunami: Effects of Dispersion and Source Characteristics

卷 33, 册 1, 2006, pp. 15-43
DOI: 10.1615/InterJFluidMechRes.v33.i1.30
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摘要

This work presents numerical simulations of the tsunami generated by the Dec. 26, 2004, Sumatra-Andaman earthquake. The numerical models employed include the linear shallow water equations, a weakly nonlinear and dispersive model (Boussinesq equations), and ray theory for linear hydrostatic waves. Four different tsunami sources, constructed from inversion models based on seismo-logical recordings, are studied. We have investigated the sensitivity to the choice of mathematical model, grid resolution, source parameters, and delay of tsunami generation at the northern part of the source area. The results are compared to surface elevation recordings. Numerical simulations show that the effect of dispersion may modify the waves (slightly) during long propagation times only, and dispersion is not observed in the tsunami generation phase. In some shallow regions, on the other hand, nonlinear steepening of the wave front may enhance dispersion, and undular bores may be produced, which cannot be modeled by the standard shallow water equations commonly used for tsunami simulation. The sensitivity analysis results provide important insights to the source complexity of the Dec. 26, 2004, earthquake.

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