Spectral and High Order Methods for Partial Differential Equations ICOSAHOM 2018

Selected Papers from the ICOSAHOM Conference, London, UK, July 9-13, 2018

Spencer J. Sherwin (Redaktør) ; David Moxey (Redaktør) ; Joaquim Peiro (Redaktør) ; Peter E. Vincent (Redaktør) ; Christoph Schwab (Redaktør)

Serie: Lecture Notes in Computational Science and Engineering 134

This open access book features a selection of high-quality papers from the presentations at the International Conference on Spectral and High-Order Methods 2018, offering an overview of the depth and breadth of the activities within this important research area. Les mer
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This open access book features a selection of high-quality papers from the presentations at the International Conference on Spectral and High-Order Methods 2018, offering an overview of the depth and breadth of the activities within this important research area. The carefully reviewed papers provide a snapshot of the state of the art, while the extensive bibliography helps initiate new research directions.

Fakta

Innholdsfortegnelse

Stability of wall boundary condition procedures for discontinuous Galerkin spectral element approximations of the compressible Euler equations.- On the order reduction of entropy stable DGSEMfor the compressible Euler equations.- A review of regular decompositions of vector fields - continuous, discrete, and structure-preserving.- Model reduction by separation of variables: a comparison between hierarchical model reduction and proper generalized decomposition.- Recurrence relations for a family of orthogonal polynomials on a triangle.- Greedy kernel methods for center manifold approximation.- An improved error inhibiting block one-step method with radial basis function approximation for ODEs.- Hermite methods in time.- HPS accelerated spectral solvers for time dependent problems: algorithms.- On the use of hermite functions for the Vlasov-Poisson system.- HPS accelerated spectral solvers for time dependent problems: numerical experiments.- High-order finite element methods for interface problems: theory and implementations.- Stabilised hybrid discontinuous galerkin methods for the Stokes problem with non-standard boundary conditions.- RBF based CWENO method.- discrete equivalence of adjoint Neumann-Dirichlet div-grad and grad-div equations in curvilinear 3D domains.- A conservative hybrid method for Darcy flow.- High-order mesh generation based on optimal affine combinations of nodal positions.- Sparse spectral-element methods for the helically reduced Einstein equations.- Spectral analysis of isogeometric discretizations of 2D curl-div Problems with general geometry.- Performance of preconditioners for large-scale simulations using Nek5000.- Two decades old entropy stable method for the Euler equations revisited.- A mimetic spectral element method for free surface flows.- Spectral/hp methodology study for iLES-SVV on an Ahmed body.- A high-order discontinuous Galerkin solver for multiphase flows.- High-Order propagation of jet noise on a tetrahedral mesh using large eddy simulation sources.- Dynamical degree adaptivity for DG-LES models.- A novel eight-order diffusive scheme for unstructured polyhedral grids using the weighted least-squares method.- An explicit mapped tent pitching scheme for Maxwell equations.- Viscous diffusion effects in the eigenanalysis of (hybridisable) DG methods.- Spectral Galerkin method for solving Helmholtz and Laplace Dirichlet problems on multiple open arcs.- Explicit polynomial Trefftz-DG method for space-time elasto-acoustics.- An hp-adaptive iterative linearization discontinuous-Galerkin FEM for quasilinear elliptic boundary value problems.- Erosion Wear evaluation using Nektar++.- An inexact Petrov-Galerkin approximation for gas transport in pipeline networks.- New preconditioners for semi-linear PDE-constrained optimal control in annular geometries.- DIRK schemes with high weak stage order.- Scheme for evolutionary Navier-Stokes-Fourier system with temperature dependent material properties based on spectral/hp elements.- Implicit large eddy simulations for NACA0012 airfoils using compressible and incompressible discontinuous Galerkin solvers.- SAV method applied to fractional Allen-Cahn equation.- A first meshless approach to simulation of the elastic behaviour of the diaphragm.- An explicit hybridizable discontinuous Galerkin method for the 3D timedomain Maxwell equations.- Entropy conserving and kinetic energy preserving numerical methods for the Euler equations using summation-by-parts operators.- Multiwavelet troubled-cell indication: a comparison of utilizing theory