Computational Challenges in the Geosciences by Robert L. Higdon (auth.), Clint Dawson, Margot Gerritsen

By Robert L. Higdon (auth.), Clint Dawson, Margot Gerritsen (eds.)

Computational demanding situations within the Geosciences addresses a cross-section of grand problem difficulties coming up in geoscience functions, together with groundwater and petroleum reservoir simulation, typhoon typhoon surge, oceanography, volcanic eruptions and landslides, and tsunamis. each one of those functions provides upward thrust to advanced actual and mathematical versions spanning a number of space-time scales, which could merely be studied via laptop simulation. the information required through the versions is usually hugely doubtful, and the numerical resolution of the types calls for refined algorithms that are mathematically actual, computationally effective and but needs to defend uncomplicated actual houses of the versions. This quantity summarizes present methodologies and destiny examine demanding situations during this huge and demanding box.

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Le, Phil. Trans. R. Soc. A 363, 1573 (2005) 9. L. M. Iverson, in The 5th intl. conf. on debris-flow hazards, ed. by R. Genevois, D. Hamilton, A. Prestininzi (Italian Journal of Engineering, Geology and Environment, Padova, Italy, 2011), pp. 415–424 10. J. LeVeque, Finite Volume Methods For Hyperbolic Problems. Texts in Applied Mathematics (Cambridge University Press, Cambridge, 2002) 11. G. G. LeFloch, F. , J. Math. Pures Appl. 74, 483 (1995) Modeling Hazardous, Free-Surface Geophysical Flows 47 12.

For example, in solving a system defined by Eq. 10) is analytically solved with initial conditions, q(x, y,t n ) = Qni−1, j , if x ≤ xi−1/2 , Qnij , if x > xi−1/2 . 11) An analogous Riemann problem is solved for the interface between cells Ci+1, j and Ci j . 12) is solved with analogous initial conditions. L. George exact Riemann solution given arbitrary initial conditions in the form of Eq. 11). , [10,43]). In GEOCLAW, the local wave structure in approximate Riemann solutions is used directly in order to build the numerical update via the wave-propagation algorithms of LeVeque [44], which are high-resolution, shock-capturing, totalvariation-diminishing (TVD) schemes.

A. F. SHCHEPETKIN AND J. C. M C W ILLIAMS, The regional oceanic modeling system (ROMS): a split-explicit, free-surface, topography-following-coordinate oceanic model, Ocean Modelling, 9 (2005), pp. 347–404. 11. L. W HITE, E. DELEERSNIJDER , AND V. LEGAT, A three-dimensional unstructured mesh finite element shallow-water model, with application to the flows around an island and in a winddriven, elongated basin, Ocean Modelling, 22 (2008), pp. 26–47. L. George Abstract The mathematical modeling and numerical simulation of gravity-driven, free-surface geophysical flows—such as tsunamis, water floods, and debris flows— are described.

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