The shifted boundary method for hyperbolic systems: Embedded domain computations of linear waves and shallow water flows

T Song, A Main, G Scovazzi, M Ricchiuto - Journal of Computational …, 2018 - Elsevier
We propose a new computational approach for embedded boundary simulations of
hyperbolic systems and, in particular, the linear wave equations and the nonlinear shallow …

Investigation of a two-dimensional spectral element method for Helmholtz's equation

OZ Mehdizadeh, M Paraschivoiu - Journal of Computational Physics, 2003 - Elsevier
A spectral element method is developed for solving the two-dimensional Helmholtz's
equation, which is the equation governing time-harmonic acoustic waves. Computational …

Embedded domain Reduced Basis Models for the shallow water hyperbolic equations with the Shifted Boundary Method

X Zeng, G Stabile, EN Karatzas, G Scovazzi… - Computer Methods in …, 2022 - Elsevier
We consider fully discrete embedded finite element approximations for a shallow water
hyperbolic problem and its reduced-order model. Our approach is based on a fixed …

Parallel finite element methods for large‐scale computation of storm surges and tidal flows

K Kashiyama, K Saitoh, M Behr… - International journal for …, 1997 - Wiley Online Library
Massively parallel finite element methods for large‐scale computation of storm surges and
tidal flows are discussed here. The finite element computations, carried out using …

Three‐step explicit finite element computation of shallow water flows on a massively parallel computer

K Kashiyama, H Ito, M Behr… - International Journal for …, 1995 - Wiley Online Library
Massively parallel finite element strategies for large‐scale computations of shallow water
flows and contaminant transport are presented. The finite element discretizations, carried out …

A posteriori finite element error bounds for non‐linear outputs of the Helmholtz equation

J Sarrate, J Peraire, A Patera - International journal for …, 1999 - Wiley Online Library
A Neumann subproblem a posteriori finite element procedure for the efficient and accurate
calculation of rigorous, constant‐free upper and lower bounds for non‐linear outputs of the …

A Nitsche method for wave propagation problems in time domain

T Song, G Scovazzi - Computer Methods in Applied Mechanics and …, 2015 - Elsevier
We propose a new Nitsche-type approach for the weak enforcement of Dirichlet and
Neumann boundary conditions in the context of time-domain wave propagation problems in …

Weak boundary conditions for wave propagation problems in confined domains: Formulation and implementation using a variational multiscale method

G Scovazzi, B Carnes - Computer methods in applied mechanics and …, 2012 - Elsevier
We propose a new approach to the enforcement of Dirichlet, Neumann, or Robin boundary
conditions in finite element computations of wave propagation problems. The key idea is to …

Parallel finite element method utilizing the mode splitting and sigma coordinate for shallow water flows

K Kashiyama, Y Ohba, T Takagi, M Behr… - Computational …, 1999 - Springer
Parallel finite element method for the analysis of quasi-three dimensional shallow water flow
is presented. The mode splitting technique and the sigma coordinate (generalized …

[图书][B] Sediment transport by waves and currents in the Pearl River estuary

Y Chen - 2001 - search.proquest.com
Sediment transport by waves and currents in the Pearl River estuary Sediment transport by
waves and currents in the Pearl River estuary Abstract The dissertation describes a study of …