By Rémi Abgrall, Thomas Sonar, Oliver Friedrich (auth.), Timothy J. Barth, Herman Deconinck (eds.)
This ebook considers contemporary advancements in very high-order exact numerical discretization thoughts for partial differential equations. basic realization is given to the equations of computational fluid dynamics with extra attention given to the Hamilton-Jacobi, Helmholtz, and elasticity equations. This publication might be of specific relevance to these readers with an curiosity in numerical discretization ideas which generalize to very high-order accuracy. the amount involves 5 articles ready through top experts protecting the subsequent particular issues: high-order finite quantity discretization through basically non-oscillatory (ENO) and weighted basically oscillatory (WENO) reconstruction, the discontinuous Galerkin approach, the Galerkin least-squares procedure, spectral and $hp$-finite point equipment, and the mortar finite point process. Implementational and potency concerns linked to every one technique are mentioned during the book.
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Extra info for High-Order Methods for Computational Physics
However, we only need one stencil per cell C1 instead of several as in §6. First we identify each cell C1 with its center of gravity. Thanks to this, the method is not restricted to control volumes generated by triangular meshes, because at this level we may forget the origin of the control volumes. Second, we build a Delaunay mesh l on these points, and remove the spurious triangles that lie outside the original domain n. More precisely, we say that a triangle lies outside the domain if its centroid is not in the domain.
Sonar, V. hannemann, and D. Hempel. Dynamic Adaptivity and residual Control in Unsteady Compressible Flow Computation. Math. Comput. Modelling, 20(10-11):201-213, 1994. 36. Th. Sonar. Optimal Recovery using Thin Plates Splines in Finite Volume Methods for the Numerical Solution of Hyperbolic Conservation Laws. IMA J. Num. , 1996. To appear. 37. G. Strang and G. J. Fix. An analysis of the finite element method. , 1973. 38. P. Vankeirsblick. Algorithmic developments for the solution of hyperbolic conservation laws on adaptive unstructured grids.
40. S. Osher X-D. Liu and T. Chan. Weighted essentially non-oscillatory schemes. J. , 115:200-212, 1994. 41. R. Abgrall. Numerical discretisation of boundary conditions for first order Hamilton Jacobi equations. Technical Report 96031, Mathematiques Appliquees de Bordeaux, Decembre 1996. Soumis a Siam J. Num. Anal. 42. R. Abgrall. Numerical Discretization of First Order Hamilton-Jacobi Equations on Triangular Meshes. Comm. Pure Appl. , XLIX:1339-1373, Decembre 1996. 52 Remi Abgrall et al. 43. R.