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Novel functional weights for improving the third-order WENO schemes

期刊: INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN FLUIDS, 2021; 93 (10)

In this article, we improved the nonlinear weight of the classical third-order WENO scheme by using the limiter of the MUSCL scheme and got a new WENO......

A stable discontinuous Galerkin method based on high-order dual splitting scheme without additional stabilization term for incompressible flows

期刊: INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN FLUIDS, 2021; 93 (8)

In this work, we consider equal-order discontinuous Galerkin (DG) solver for incompressible Navier-Stokes equations based on high-order dual splitting......

On the numerical overshoots of shock-capturing schemes

期刊: INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN FLUIDS, 2021; 93 (10)

This note introduces a simple metric for benchmarking shock-capturing schemes. This metric is especially focused on the shock-capturing overshoots, wh......

An efficient iterative method for radiation heat conduction problems

期刊: INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN FLUIDS, 2021; 93 (7)

To solve radiation hydrodynamics problems efficiently, a well-designed iterative method is crucial. In practical applications, the conventional Picard......

A scalable parallel unstructured finite volume lattice Boltzmann method for three-dimensional incompressible flow simulations

期刊: INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN FLUIDS, 2021; 93 (8)

The standard lattice Boltzmann method, which employs certain regular lattices coupled with discrete velocities as the computational grid, is limited i......

Front capturing by level set method for the reactive Euler equations

期刊: INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN FLUIDS, 2021; 93 (8)

In this article, we present a front capturing method for compressible reactive flows, where a shock tracking technique is applied with level set metho......

An improved meshfree scheme based on radial basis functions for solving incompressible Navier-Stokes equations

期刊: INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN FLUIDS, 2021; 93 (9)

In this paper, an improved meshfree scheme based on radial basis functions (RBFs) is provided for solving the incompressible viscous Navier-Stokes equ......

A novel gas kinetic flux solver for simulation of continuum and slip flows

期刊: INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN FLUIDS, 2021; 93 (9)

In this work, a novel gas kinetic flux solver (GKFS) is presented for simulation of compressible and incompressible flows in the continuum and slip re......

A Cartesian grid method with improvement of resolving the boundary layer structure for two-dimensional incompressible flows

期刊: INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN FLUIDS, 2021; 93 (8)

The Cartesian gird has its unique advantages in computational fluid dynamics, especially for complicated boundary cases. However, the boundary layer s......

Explicit calculation for the pressure Poisson equation to simulate incompressible fluid flows in a mesh-free method

期刊: INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN FLUIDS, 2021; 93 (10)

In this study, an equation is derived to explicitly solve the pressure Poisson equation (PPE) in the moving particle semiimplicit method. In the deriv......

Learning how to avoid obstacles: A numerical investigation for maneuvering of self-propelled fish based on deep reinforcement learning

期刊: INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN FLUIDS, 2021; 93 (10)

The self-propelled fish maneuvering for avoiding obstacles under intelligent control is investigated by numerical simulation. The NACA0012 airfoil is ......

A weighted essentially nonoscillatory-based phase field lattice Boltzmann method for incompressible two-phase flows with high density contrast

期刊: INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN FLUIDS, ; ()

In this article, a high order weighted essentially nonoscillatory finite difference-based phase field lattice Boltzmann method (WENO-PFLBM) is propose......

A stabilized finite element method based on characteristic-based polynomial pressure projection scheme for incompressible flows

期刊: INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN FLUIDS, ; ()

In this paper, a characteristic-based polynomial pressure projection (CBP3) scheme is proposed to stabilize finite element method for solving incompre......

A consistent sharp interface fictitious domain method for moving boundary problems with arbitrarily polyhedral mesh

期刊: INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN FLUIDS, ; ()

A consistent, sharp interface fully Eulerian fictitious domain method is proposed in this article for moving boundary problems. In this method, a coll......

Arbitrary high-order extended essentially non-oscillatory schemes for hyperbolic conservation laws

期刊: INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN FLUIDS, ; ()

Achieving high numerical resolution in smooth regions and robustness near discontinuities within a unified framework is the major concern while develo......

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