Machine learning optimization of compact finite volume methods on unstructured grids

CB Zhou, Q Wang, YX Ren - Journal of Computational Physics, 2024 - Elsevier
Fourier analysis based optimization techniques have been developed for numerical
schemes on structured grids and result in significant performance improvements. However …

An implicit high-order k-exact finite-volume approach on vertex-centered unstructured grids for incompressible flows

F Setzwein, P Ess, P Gerlinger - Journal of Computational Physics, 2021 - Elsevier
We present a k-exact reconstruction method, which can be incorporated into vertex-centered
unstructured finite-volume flow solvers to maintain a high-order accurate solution in space …

High-order compact finite volume schemes for solving the Reynolds averaged Navier-Stokes equations on the unstructured mixed grids with a large aspect ratio

QM Huang, YX Ren, Q Wang, JH Pan - Journal of Computational Physics, 2022 - Elsevier
In this paper, high-order compact finite volume schemes on the unstructured grids based on
the variational reconstruction are developed to solve the Reynolds averaged Navier-Stokes …

A framework to perform high‐order deconvolution for finite‐volume method on simplicial meshes

M Bernard, G Lartigue, G Balarac… - … Methods in Fluids, 2020 - Wiley Online Library
In this article, a new framework to design high‐order approximations in the context of node‐
centered finite volumes on simplicial meshes is proposed. The major novelty of this method …

Low dispersion finite volume/element discretization of the enhanced Green–Naghdi equations for wave propagation, breaking and runup on unstructured meshes

M Kazolea, AG Filippini, M Ricchiuto - Ocean Modelling, 2023 - Elsevier
We study a hybrid approach combining a finite volume (FV) and a finite element (FE) method
to solve a fully-nonlinear and weakly-dispersive depth averaged wave propagation model …

A general positivity-preserving algorithm for implicit high-order finite volume schemes solving the Euler and Navier-Stokes equations

QM Huang, H Zhou, YX Ren, Q Wang - Journal of Computational Physics, 2024 - Elsevier
This paper presents a general positivity-preserving algorithm for implicit high-order finite
volume schemes that solve compressible Euler and Navier-Stokes equations to ensure the …

A two-stage fourth-order gas-kinetic CPR method for the Navier-Stokes equations on triangular meshes

C Zhang, Q Li, ZJ Wang, J Li, S Fu - Journal of Computational Physics, 2022 - Elsevier
An efficient gas-kinetic scheme with fourth-order accuracy in both space and time is
developed for the Navier-Stokes equations on triangular meshes. The scheme combines an …

Compact multi-stage reconstruction method on polyhedral unstructured grids: Extension to higher-order finite volume scheme

B Xie, X Deng, F Xiao - Computers & Fluids, 2022 - Elsevier
In this paper, a novel high-order finite volume scheme is proposed for arbitrary unstructured
grids based on multi-stage reconstruction procedure using a compact stencil. Unlike the …

High order finite volume schemes for solving the non-conservative convection equations on the unstructured grids

QM Huang, YX Ren, Q Wang - Journal of Scientific Computing, 2021 - Springer
In this paper, a high order finite volume scheme for solving the non-conservative convection
equations on the unstructured grids is proposed. It is found that when the non-conservative …

A third-order weighted variational reconstructed discontinuous Galerkin method for solving incompressible flows

F Zhang, T Liu, M Liu - Applied Mathematical Modelling, 2021 - Elsevier
In this paper, a third-order reconstructed discontinuous Galerkin (DG) method based on a
weighted variational minimization principle, which is denoted as P 1 P 2 (WVr) method, is …