A review and comparison of error estimators for anisotropic mesh adaptation for flow simulations

A Balan, MA Park, SL Wood, WK Anderson… - Computers & …, 2022 - Elsevier
Automated mesh adaptation is known to be an efficient way to control discretization errors in
Computational Fluid Dynamics (CFD) simulations. It offers the added advantage that the …

Provably convergent anisotropic output-based adaptation for continuous finite element discretizations

HA Carson - 2020 - dspace.mit.edu
The expansion of modern computing power has seen a commensurate rise in the reliance
on numerical simulations for engineering and scientific purposes. Output error estimation …

Anisotropic mesh adaptation for high-order finite elements spaces with the log-simplex method. Application to discontinuous Galerkin methods

O Coulaud, A Loseille, P Schrooyen - Journal of Computational Physics, 2024 - Elsevier
In this article, a high-order solution-based mesh adaptation method is investigated. This
later, which is called the log-simplex method, relies on the approximation of high-order …

A hybridized discontinuous Galerkin solver for high-speed compressible flow

G May, K Devesse, A Rangarajan, T Magin - Aerospace, 2021 - mdpi.com
We present a high-order consistent compressible flow solver, based on a hybridized
discontinuous Galerkin (HDG) discretization, for applications covering subsonic to …

Adjoint-based anisotropic hp-adaptation for discontinuous Galerkin methods using a continuous mesh model

A Rangarajan, G May, V Dolejsi - Journal of Computational Physics, 2020 - Elsevier
In this paper we propose an adjoint-based hp-adaptation method for conservation laws, and
corresponding numerical schemes based on piecewise polynomial approximation spaces …

Verification of anisotropic mesh adaptation for complex aerospace applications

A Balan, MA Park, S Wood, WK Anderson - AIAA scitech 2020 forum, 2020 - arc.aiaa.org
The stabilized finite element solver, FUN3D-SFE, along with the grid mechanics
package\refine are verified for aerospace applications of laminar and turbulent flow …

An Anisotropic hp-mesh Adaptation Method for Time-Dependent Problems Based on Interpolation Error Control

V Dolejší, G May - Journal of Scientific Computing, 2023 - Springer
We propose an efficient mesh adaptive method for the numerical solution of time-dependent
partial differential equations considered in the fixed space-time cylinder Ω×(0, T). We employ …

Metric-based anisotropic mesh adaptation for viscoelastic flows

S Wittschieber, A Rangarajan, G May, M Behr - Computers & Mathematics …, 2023 - Elsevier
The computation of flows of viscoelastic fluids is expensive compared to standard fluids.
Besides degrees-of-freedom for velocity and pressure, the viscoelastic stresses introduce an …

An anisotropic h-adaptive strategy for discontinuous Petrov-Galerkin schemes using a continuous mesh model

A Chakraborty, AM Rangarajan, G May - Computers & Mathematics with …, 2022 - Elsevier
Abstract Certain Petrov-Galerkin schemes deliver inherently stable formulations of
variational problems on a given mesh by selecting appropriate pairs of trial and test spaces …

A continuous hp-mesh model for discontinuous Petrov-Galerkin finite element schemes with optimal test functions

A Chakraborty, G May - Computers & Mathematics with Applications, 2023 - Elsevier
We present an anisotropic hp-mesh adaptation strategy using a continuous mesh model for
discontinuous Petrov-Galerkin (DPG) finite element schemes with optimal test functions …