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相关论文: An HDG Method for Distributed Control of Convectio…

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We consider a distributed optimal control problem governed by an elliptic convection diffusion PDE, and propose a hybridizable discontinuous Galerkin (HDG) method to approximate the solution. We use polynomials of degree $k+1$ and $k \ge 0$…

数值分析 · 数学 2018-11-27 Weiwei Hu , Jiguang Shen , John R. Singler , Yangwen Zhang , Xiaobo Zheng

We propose an embedded discontinuous Galerkin (EDG) method to approximate the solution of a distributed control problem governed by convection diffusion PDEs, and obtain optimal a priori error estimates for the state, dual state, their…

数值分析 · 数学 2019-06-04 Xiao Zhang , Yangwen Zhang , John R. Singler

We consider a distributed optimal control problem governed by an elliptic PDE, and propose an embedded discontinuous Galerkin (EDG) method to approximate the solution. We derive optimal a priori error estimates for the state, dual state,…

数值分析 · 数学 2018-07-25 Xiao Zhang , Yangwen Zhang , John R. Singler

We propose a new hybridizable discontinuous Galerkin (HDG) method to approximate the solution of a Dirichlet boundary control problem governed by an elliptic convection diffusion PDE. Even without a convection term, Dirichlet boundary…

数值分析 · 数学 2018-01-08 Weiwei Hu , Mariano Mateos , John R. Singler , Yangwen Zhang

In the first part of this work, we analyzed a Dirichlet boundary control problem for an elliptic convection diffusion PDE and proposed a new hybridizable discontinuous Galerkin (HDG) method to approximate the solution. For the case of a 2D…

数值分析 · 数学 2018-07-25 Weiwei Hu , Mariano Mateos , John R. Singler , Xiao Zhang , Yangwen Zhang

We first propose a hybridizable discontinuous Galerkin (HDG) method to approximate the solution of a \emph{convection dominated} Dirichlet boundary control problem. Dirichlet boundary control problems and convection dominated problems are…

数值分析 · 数学 2021-02-01 Gang Chen , John Richard Singler , Yangwen Zhang

We investigated an hybridizable discontinuous Galerkin (HDG) method for a convection diffusion Dirichlet boundary control problem in our earlier work [SIAM J. Numer. Anal. 56 (2018) 2262-2287] and obtained an optimal convergence rate for…

数值分析 · 数学 2021-02-01 Gang Chen , Guosheng Fu , John Richard Singler , Yangwen Zhang

In this paper, we propose a new hybridized discontinuous Galerkin (DG) method for the convection-diffusion problems with mixed boundary conditions. A feature of the proposed method, is that it can greatly reduce the number of…

数值分析 · 数学 2013-11-01 Issei Oikawa

We analyze a high order unfitted hybridizable discontinuous Galerkin (HDG) method for an optimal control problem governed by a convection-diffusion equation posed in a domain with piecewise-wise $\mathcal{C}^2$ boundary $\partial \Omega$.…

数值分析 · 数学 2026-04-02 Esteban Henríquez , Manuel Solano

In this paper, we first devise an ensemble hybridizable discontinuous Galerkin (HDG) method to efficiently simulate a group of parameterized convection diffusion PDEs. These PDEs have different coefficients, initial conditions, source terms…

数值分析 · 数学 2019-03-12 Gang Chen , Liangya Pi , Liwei Xu , Yangwen Zhang

We begin an investigation of hybridizable discontinuous Galerkin (HDG) methods for approximating the solution of Dirichlet boundary control problems governed by elliptic PDEs. These problems can involve atypical variational formulations,…

数值分析 · 数学 2017-12-11 Weiwei Hu , Jiguang Shen , John R. Singler , Yangwen Zhang , Xiaobo Zheng

We analyze families of primal high-order hybridizable discontinuous Galerkin (HDG) methods for solving degenerate (second-order) elliptic problems. One major trouble regarding this class of PDEs concerns its mathematical nature, which may…

数值分析 · 数学 2021-06-02 G. Etangsale , M. Fahs , V. Fontaine , A. R. Isa-Abadi

We propose a hybridizable discontinuous Galerkin (HDG) finite element method to approximate the solution of the time dependent drift-diffusion problem. This system involves a nonlinear convection diffusion equation for the electron…

数值分析 · 数学 2018-11-27 Gang Chen , Peter Monk , Yangwen Zhang

In this paper, we present a flux-based formulation of the hybridizable discontinuous Galerkin (HDG) method for steady-state diffusion problems and propose a new method derived by letting a stabilization parameter tend to infinity. Assuming…

数值分析 · 数学 2022-12-13 Issei Oikawa

We propose a high-order hybridizable discontinuous Galerkin (HDG) formulation for the fully dynamic, linear thermo-poroelasticity problem. The governing equations are formulated as a first-order hyperbolic system incorporating solid and…

数值分析 · 数学 2025-06-24 Salim Meddahi

In this paper, we present an embedded staggered discontinuous Galerkin method for the convection-diffusion equation. The new method combines the advantages of staggered discontinuous Galerkin (SDG) and embedded discontinuous Galerkin (EDG)…

数值分析 · 数学 2018-06-20 Siu Wun Cheung , Eric T. Chung

In this work, we propose a novel strategy for the numerical solution of linear convection diffusion equation (CDE) over unfitted domains. In the proposed numerical scheme, strategies from high order Hybridized Discontinuous Galerkin method…

数值分析 · 数学 2023-06-02 Haroon Ahmad , Ceren Gürkan

This paper investigates a symmetric dual-wind discontinuous Galerkin (DWDG) method for solving an elliptic optimal control problem with control constraints. The governing constraint is an elliptic partial differential equation (PDE), which…

数值分析 · 数学 2025-06-17 Satyajith Bommana Boyana , Thomas Lewis , Sijing Liu , Yi Zhang

A linear semi-implicit hybridizable discontinuous Galerkin (HDG) scheme is proposed to solve the diffusive Peterlin viscoelastic model, allowing the diffusion coefficient $\ep$ of the conformation tensor to be arbitrarily small. We…

数值分析 · 数学 2025-03-12 Sibang Gou , Jingyan Hu , Qi Wang , Feifei Jing , Guanyu Zhou

In this paper, we develop hybridized discontinuous Galerkin (HDG) methods for poroelastic wave equations. We first rewrite the governing equations to a first-order symmetric hyperbolic system in order to use dual mixed formulations for…

数值分析 · 数学 2026-05-08 Jeonghun J. Lee , Manuel A. Sanchez
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