Numerical modeling of waves for a tsunami early warning system

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ηS12(m) ηS7(m) ηS10(m) −0.01 Numerical modeling of waves for a tsunami early warning system 0.02 0.01 0 −0.02 12 14 16 18 20 22 0.02 0.01 0 −0.01 −0.02 12 14 16 18 20 22 0.02 0.01 0 −0.01 −0.02 12 14 16 18 20 22 t(s) ηS20(m) ηS11(m) 0.02 0.01 0 −0.01 −0.02 12 14 16 18 20 22 0.02 0.01 0 −0.01 −0.02 12 14 16 18 20 22 t(s) Figure 4.37: Comparison of the free surface elevations at the near field gauges position, measured (red dashed line) and obtained from the numerical model (black solid line). The numerical results are achieved imposing a forcing source term in the MSE. fact that the numerical model equations are valid for submerged landslides, beacuse reproduce the effect of the moving seafloor on the water surface. No reproduction of the landslide entering phase is made, which, as seen in the laboratory experiment, has a piston-like effect (especially if it has a steep front), which induces a deformation of the shoreline. Another point to be considered is that the numerical model does not reproduce any dissipation at the interface between water waves and the island. Università degli Studi di Roma Tre - DSIC 83
ηS15(m) ηS24(m) ηS16(m) −0.01 −0.02 Numerical modeling of waves for a tsunami early warning system 0.02 0.01 0 0.02 0.01 0 −0.01 −0.02 0.02 0.01 0 −0.01 −0.02 15 20 25 30 15 20 25 30 15 20 25 30 t(s) ηS22(m) ηS19(m) 0.02 0.01 0 −0.01 −0.02 0.02 0.01 0 −0.01 −0.02 15 20 25 30 15 20 25 30 t(s) Figure 4.38: Comparison of the free surface elevations at the far field gauges position, measured (red dashed line) and obtained from the numerical model (black solid line). The numerical results are achieved imposing a forcing source term in the MSE. Università degli Studi di Roma Tre - DSIC 84
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Università degli studi ROMA TRE Ph
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To my father Michele, my mother Ant
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Abstract A numerical model based on
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Sommario Un modello numerico basato
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Contents 1 Introduction 3 1.1 Tsuna
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List of Figures 1.1 Principal phase
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xiii 4.13 Panels a and b: absolute
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4.32 Comparison of the free surface
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xvii 5.8 Numerical results of the S
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List of Tables 4.1 Radial and Angul
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Numerical modeling of waves for a t
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Numerical modeling of waves for a tsunami early warning system

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