February 11, 2018

Advanced numerical models for simulating tsunami waves and by Philip L. F. Liu, Harry Yeh, Costas Synolakis PDF

By Philip L. F. Liu, Harry Yeh, Costas Synolakis

ISBN-10: 9812700129

ISBN-13: 9789812700124

This evaluate quantity is split into elements. the 1st half contains 5 evaluate papers on numerous numerical types. Pedersen offers a short yet thorough evaluate of the theoretical historical past for depth-integrated wave equations, that are hired to simulate tsunami runup. LeVeque and George describe high-resolution finite quantity equipment for fixing the nonlinear shallow water equations. the focal point in their dialogue is at the functions of those the way to tsunami runup.

lately, numerous complicated 3D numerical versions were brought to the sector of coastal engineering to calculate breaking waves and wave constitution interactions. those versions are nonetheless below improvement and are at various levels of adulthood. Rogers and Dalrymple talk about the sleek debris Hydrodynamics (SPH) process, that's a meshless approach. Wu and Liu current their huge Eddy Simulation (LES) version for simulating the landslide-generated waves. ultimately, Frandsen introduces the lattice Boltzmann process with the honour of a unfastened floor.

the second one a part of the overview quantity includes the descriptions of the benchmark issues of 11 prolonged abstracts submitted via the workshop members. a lot of these papers are in comparison with their numerical effects with benchmark options.

Contents: Modeling Runup with Depth-Integrated Equation versions (G Pedersen); High-Resolution Finite quantity equipment for the Shallow Water Equations with Bathymetry and Dry States (R J LeVeque & D L George); SPH Modeling of Tsunami Waves (B D Rogers & R A Dalrymple); a wide Eddy Simulation version for Tsunami and Runup Generated through Landslides (T-R Wu & P L-F Liu); Free-Surface Lattice Boltzmann Modeling in unmarried section Flows (J B Frandsen); Benchmark difficulties (P L-F Liu et al.); Tsunami Runup onto a airplane seashore (Z Kowalik et al.); Nonlinear Evolution of lengthy Waves over a Sloping seashore (U Kâno lu); Amplitude Evolution and Runup of lengthy Waves, comparability of Experimental and Numerical information on a 3D advanced Topography (A C Yalciner et al.); Numerical Simulations of Tsunami Runup onto a three-d seashore with Shallow Water Equations (X Wang et al.); 3D Numerical Simulation of Tsunami Runup onto a fancy seashore (T Kakinuma); comparing Wave Propagation and Inundation features of the main Tsunami version over a posh 3D seashore (A Chawla et al.); Tsunami iteration and Runup as a result of a second Landslide (Z Kowalik et al.); Boussinesq Modeling of Landslide-Generated Waves and Tsunami Runup (O Nwogu); Numerical Simulation of Tsunami Runup onto a posh seashore with a Boundary-Fitting phone approach (H Yasuda); A 1D Lattice Boltzmann version utilized to Tsunami Runup onto a aircraft seashore (J B Frandsen); A Lagrangian version utilized to Runup difficulties (G Pedersen); Appendix: Phase-Averaged Towed PIV Measurements for normal Head Waves in a version send Towing Tank (J Longo et al.).

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Extra resources for Advanced numerical models for simulating tsunami waves and runup

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378–412. 24. S. T. Grilli, I. A. Svendsen and R. Subramanya. Breaking criterion and characteristics for solitary waves on slopes. J. , Ocean Engrg. (1997). 25. S. Guignard, R. Marcer, V. Rey, K. Kharif and Frauni´e. Solitary wave breaking on sloping beaches; 2-D two phase flow numerical simulation by SL-VOF method. Eur. J. Mech. B-Fluids 20, 57–74 (2001). 26. J. V. Hall and J. W. Watts. Laboratory investigation of the vertical rise of solitary waves on impermeable slopes. Tech. Memo. S. Army Corps of Engrs.

The model was based on a B-grid and verified by extensive grid refinement and comparison with CG-s5 and oscillations in a parabolic basin100 . Lynch and Gray (1980)55 described a finite element technique with time dependent shape functions and a grid that could be adapted to a moving shoreline. However, their model was not tested on any standard problem. The first runup model that inherited both three-dimensionality and dispersion was published by Zelt and Raichlen in 1990115 . They employed a finite element technique with a partition in quadrilaterals in the Lagrangian coordinates.

5, omission of dispersion over half the slope does not influence the maximum runup. Even if the hydrostatic region is increased to nearly the whole slope, the change in R is very small, though breaking occurs for a smaller A. The largest error occur when also the uniform depth region is made non-dispersive (data marked NLSW in the figure). 00025)d/ 3A/d, which corresponds to an initial η ∗ equal to A/1000 at the start of the slope. In Fig. 6 we have compared the particle acceleration in the Boussinesq model to the contribution from the hydrostatic part of the pressure gradient, given by ∂η/∂x, for a moderately steep incident wave.

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Advanced numerical models for simulating tsunami waves and runup by Philip L. F. Liu, Harry Yeh, Costas Synolakis


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