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Showing 1-20 of 1,051 results
  1. Sparse grid time-discontinuous Galerkin method with streamline diffusion for transport equations

    High-dimensional transport equations frequently occur in science and engineering. Computing their numerical solution, however, is challenging due to...

    Article Open access 01 August 2023
  2. A streamline-derivative-based local projection stabilization virtual element method for nonlinear convection–diffusion–reaction equation

    We present a local projection stabilization for the virtual element discretization of the nonlinear convection–diffusion–reaction equation. We...

    Sudheer Mishra, E. Natarajan in Calcolo
    Article 23 September 2023
  3. A Hybridizable Discontinuous Galerkin Method for Magnetic Advection–Diffusion Problems

    We propose and analyze a hybridizable discontinuous Galerkin (HDG) method for solving a mixed magnetic advection–diffusion problem within a more...

    **dong Wang, Shuonan Wu in Journal of Scientific Computing
    Article 09 May 2024
  4. Virtual element method for the quasilinear convection-diffusion-reaction equation on polygonal meshes

    In this paper, we analyze the virtual element method for the quasilinear convection-diffusion-reaction equation. The most important part in the...

    M. Arrutselvi, E. Natarajan, S. Natarajan in Advances in Computational Mathematics
    Article 14 November 2022
  5. Discontinuous Galerkin Method Based on the Reduced Space for the Nonlinear Convection–Diffusion–Reaction Equation

    In this paper, by introducing a reconstruction operator based on the Legendre moments, we construct a reduced discontinuous Galerkin (RDG) space that...

    Shi** Hou, Yinhua **a in Journal of Scientific Computing
    Article 08 March 2024
  6. Consistent streamline residual-based artificial viscosity stabilization for numerical simulation of incompressible turbulent flow by isogeometric analysis

    In this paper, we propose a new stabilization technique for numerical simulation of incompressible turbulent flow by solving Reynolds-averaged...

    Bohumír Bastl, Marek Brandner, ... Eva Turnerová in Applications of Mathematics
    Article 06 June 2022
  7. The supercloseness of the finite element method for a singularly perturbed convection-diffusion problem on a Bakhvalov-type mesh in 2D

    For singularly perturbed convection-diffusion problems, supercloseness analysis of the finite element method is still open on Bakhvalov-type meshes,...

    Chunxiao Zhang, ** Zhang in Acta Mathematica Scientia
    Article 21 March 2024
  8. A weak Galerkin finite-element method for singularly perturbed convection–diffusion–reaction problems with interface

    In this paper, a weak Galerkin (WG) finite-element method is developed and analyzed for singularly perturbed convection–diffusion–reaction problems...

    Tazuddin Ahmed, Rashmita Baruah, Raman Kumar in Computational and Applied Mathematics
    Article 29 September 2023
  9. Multilevel Monte Carlo Methods for Stochastic Convection–Diffusion Eigenvalue Problems

    We develop new multilevel Monte Carlo (MLMC) methods to estimate the expectation of the smallest eigenvalue of a stochastic convection–diffusion...

    Tiangang Cui, Hans De Sterck, ... Robert Scheichl in Journal of Scientific Computing
    Article Open access 03 May 2024
  10. Analysis of the local discontinuous Galerkin method with generalized fluxes for one-dimensional nonlinear convection-diffusion systems

    In this paper, we present optimal error estimates of the local discontinuous Galerkin method with generalized numerical fluxes for one-dimensional...

    Hongjuan Zhang, Boying Wu, **ong Meng in Science China Mathematics
    Article 19 October 2022
  11. A Dimensional-Splitting Weak Galerkin Finite Element Method for 2D Time-Fractional Diffusion Equation

    In this article, the weak Galerkin finite element method, coupled with an operator-splitting method or known as dimensional-splitting technique, is...

    Aniruddha Seal, Srinivasan Natesan, Suayip Toprakseven in Journal of Scientific Computing
    Article 01 February 2024
  12. Virtual Element Method for Nonlinear Time-Dependent Convection-Diffusion-Reaction Equation

    In this paper, we study the numerical solution of nonlinear time dependent convection-diffusion-reaction equation using virtual element method. We...

    M. Arrutselvi, E. Natarajan in Computational Mathematics and Modeling
    Article 01 July 2021
  13. Bernstein-Bézier Galerkin-Characteristics Finite Element Method for Convection-Diffusion Problems

    A class of Bernstein-Bézier basis based high-order finite element methods is developed for the Galerkin-characteristics solution of...

    Mofdi El-Amrani, Abdellah El-Kacimi, ... Mohammed Seaid in Journal of Scientific Computing
    Article Open access 06 July 2022
  14. A SUPG formulation augmented with shock-capturing for solving convection-dominated reaction–convection–diffusion equations

    In this computational study, stabilized finite element solutions of convection-dominated stationary and linear reaction–convection–diffusion...

    Süleyman Cengizci, Ömür Uğur, Srinivasan Natesan in Computational and Applied Mathematics
    Article 28 June 2023
  15. Worked Out Problem 15: Stabilized Reduced Method for an Advection Dominated Problem

    In this chapter, we consider a scalar advection-diffusion PDE modeling a stabilized advection dominated flow problem in a two-dimensional domain. The...
    Gianluigi Rozza, Francesco Ballarin, ... Federico Pichi in Real Time Reduced Order Computational Mechanics
    Chapter 2024
  16. An Efficient DWR-Type a Posteriori Error Bound of SDFEM for Singularly Perturbed Convection–Diffusion PDEs

    This article deals with the residual-based a posteriori error estimation in the standard energy norm for the streamline-diffusion finite element...

    D. Avijit, S. Natesan in Journal of Scientific Computing
    Article 06 January 2022
  17. Non-Symmetric Interior Penalty Galerkin Finite Element Method for a Class of Singularly Perturbed Reaction Diffusion Problems with Discontinuous Data

    This paper presents a non-symmetric interior penalty Galerkin finite element method for a class of one dimensional singularly perturbed...

    Ram Prasad Yadav, Pratima Rai, Kapil K. Sharma in International Journal of Applied and Computational Mathematics
    Article 10 October 2022
  18. A stabilized finite element method for inverse problems subject to the convection–diffusion equation. II: convection-dominated regime

    We consider the numerical approximation of the ill-posed data assimilation problem for stationary convection–diffusion equations and extend our...

    Erik Burman, Mihai Nechita, Lauri Oksanen in Numerische Mathematik
    Article Open access 18 February 2022
  19. Global ML Stability of the Delayed Fractional-Order Coupled Reaction-Diffusion System on Networks without Strong Connectedness

    This chapter primarily focuses on examining the existence of solutions and the global Mittag-Leffler stability in delayed fractional-order coupled...
    Yonggui Kao, Changhong Wang, ... Yue Cao in Analysis and Control for Fractional-order Systems
    Chapter 2024
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