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Showing 1-20 of 5,067 results
  1. A Shock Stabilization of the HLLC Riemann Solver for the Carbuncle Instability

    The HLLC approximate Riemann solver improves upon the HLL Riemann solver by resolving contact discontinuities. This is a particularly desirable...

    Alexandra Baumgart, Samuel W. Jones, ... Joshua C. Dolence in Journal of Scientific Computing
    Article 03 January 2024
  2. Multidimensional Generalized Riemann Problem Solver for Maxwell’s Equations

    Approximate multidimensional Riemann solvers are essential building blocks in designing globally constraint-preserving finite volume time domain and...

    Arijit Hazra, Dinshaw S. Balsara, ... Sudip K. Garain in Journal of Scientific Computing
    Article 31 May 2023
  3. Nonclassical Riemann solver with prescribed kinetics—The hyperbolic regime

    This chapter serves as an example of how a kinetic relation can be used to implement Lax’s shock inequalities. Specifically, we consider a model from...
    Philippe G. LeFloch, Mai Duc Thanh in The Riemann Problem in Continuum Physics
    Chapter 2023
  4. Finding an Approximate Riemann Solver via Relaxation: Concept and Advantages

    We first explain the general concept of relaxation models using the **-**n model for scalar conservation laws. Then we consider the Suliciu model...
    Claudius Birke, Christian Klingenberg in Hyperbolic Problems: Theory, Numerics, Applications. Volume II
    Conference paper 2024
  5. Efficient non-iterative multi-point method for solving the Riemann problem

    In computational fluid dynamics (CFD), the Riemann problem is vital for precise fluid flow calculations as it involves the accurate computation of...

    Yi Han Toh in Nonlinear Dynamics
    Article 07 February 2024
  6. Nonclassical Riemann solver with prescribed kinetics—The hyperbolic-elliptic regime

    This chapter deals with a hyperbolic-elliptic model of phase transition dynamics. The model is a typical p-system, where the stress can be decreased...
    Philippe G. LeFloch, Mai Duc Thanh in The Riemann Problem in Continuum Physics
    Chapter 2023
  7. High-order accurate solutions of generalized Riemann problems of nonlinear hyperbolic balance laws

    We provide a systematic study for the generalized Riemann problem (GRP) of the nonlinear hyperbolic balance law, which is critically concerned with...

    Jianzhen Qian, Shuanghu Wang in Science China Mathematics
    Article 09 March 2023
  8. Application of Hybrid Riemann Solvers Based on HLLC and HLL for Simulation of Flows with Gas-Dynamic Discontinuities

    Abstract

    The application of hybrid approximate Riemann solvers based on standard HLLC and HLL solvers is discussed. Three different hybrid solvers are...

    Article 01 December 2023
  9. An Hybrid Solver to Compute a Turbulent Compressible Model

    In this paper, we propose a numerical strategy to compute a turbulence model for compressible flows, including a dynamic estimation of the jump in...
    Sergey Gavrilyuk, Jean-Marc Hérard, ... Ali Toufaili in Finite Volumes for Complex Applications X—Volume 2, Hyperbolic and Related Problems
    Conference paper 2023
  10. Dual-solver research based on the coupling of flux reconstruction and finite volume methods

    Accurate simulation of vortex-dominated flows has been an important issue for numerical methods in computational fluid dynamics. The recently...

    Hao Fu, Jian **a, ... Long Chen in Acta Mechanica
    Article 05 April 2023
  11. A Review of Riemann Solvers for Hypersonic Flows

    In the design of the hypersonic airliner which can greatly shorten the flight time and conduct space travel, it is of great significance for a...

    Feng Qu, Di Sun, ... Junqiang Bai in Archives of Computational Methods in Engineering
    Article 21 October 2021
  12. Convergence of a Generalized Riemann Problem Scheme for the Burgers Equation

    In this paper, we study the convergence of a second-order finite volume approximation of the scalar conservation law. This scheme is based on the...

    Mária Lukáčová-Medvid’ová, Yuhuan Yuan in Communications on Applied Mathematics and Computation
    Article 16 January 2024
  13. Using Piecewise Parabolic Reconstruction of Physical Variables in the Rusanov Solver. I. The Special Relativistic Hydrodynamics Equations

    Abstract

    The Rusanov solver for solving hydrodynamic equations is one of the most robust schemes in the class of Riemann solvers. For special...

    Article 01 September 2023
  14. Gas kinetic flux solver based finite volume weighted essentially non-oscillatory scheme for inviscid compressible flows

    A high-order gas kinetic flux solver (GKFS) is presented for simulating inviscid compressible flows. The weighted essentially non-oscillatory (WENO)...

    Lan Jiang, Jie Wu, ... Hao Dong in Applied Mathematics and Mechanics
    Article 30 May 2023
  15. Machine Learning Approaches for the Solution of the Riemann Problem in Fluid Dynamics: a Case Study

    We present our results by using a machine learning (ML) approach for the solution of the Riemann problem for the Euler equations of fluid dynamics....

    Vitaly Gyrya, Mikhail Shashkov, ... Svetlana Tokareva in Communications on Applied Mathematics and Computation
    Article 03 January 2024
  16. Scalar modular bootstrap and zeros of the Riemann zeta function

    Using the technology of harmonic analysis, we derive a crossing equation that acts only on the scalar primary operators of any two-dimensional...

    Nathan Benjamin, Cyuan-Han Chang in Journal of High Energy Physics
    Article Open access 24 November 2022
  17. A high-order scheme based on lattice Boltzmann flux solver for viscous compressible flow simulations

    In this paper, a high-order scheme based on the lattice Boltzmann flux solver (LBFS) is proposed to simulate viscous compressible flows. The flux...

    Jian Qin, Jie Wu, Chao Ma in Applied Mathematics and Mechanics
    Article 10 October 2022
  18. Divide-and-Conquer Solver in Tensor-Train Format for d-Dimensional Time-Space Fractional Diffusion Equations

    A divide-and-conquer solver coupled with Tensor-Train (TT) format is proposed for solving the d -dimensional time-space fractional diffusion equations...

    Yun-Chi Huang, Lot-Kei Chou, Siu-Long Lei in Journal of Scientific Computing
    Article 05 June 2023
  19. An Approximate Riemann Solver for Advection–Diffusion Based on the Generalized Riemann Problem

    We construct an approximate Riemann solver for scalar advection–diffusion equations with piecewise polynomial initial data. The objective is to...

    Steven Jöns, Claus-Dieter Munz in Communications on Applied Mathematics and Computation
    Article 26 October 2019
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