Implementation of a high-order compact finite-difference lattice Boltzmann method in generalized curvilinear coordinates

K Hejranfar, E Ezzatneshan - Journal of Computational Physics, 2014 - Elsevier
In this work, the implementation of a high-order compact finite-difference lattice Boltzmann
method (CFDLBM) is performed in the generalized curvilinear coordinates to improve the …

A high‐order compact finite‐difference lattice Boltzmann method for simulation of steady and unsteady incompressible flows

K Hejranfar, E Ezzatneshan - International Journal for …, 2014 - Wiley Online Library
SUMMARY A high‐order compact finite‐difference lattice Boltzmann method (CFDLBM) is
proposed and applied to accurately compute steady and unsteady incompressible flows …

Divergence-free meshless local Petrov–Galerkin method for Stokes flow

M Najafi, M Dehghan, B Šarler, G Kosec… - Engineering with …, 2022 - Springer
The purpose of the present paper is development of an efficient meshless solution of steady
incompressible Stokes flow problems with constant viscosity in two dimensions, with …

A truly incompressible smoothed particle hydrodynamics based on artificial compressibility method

F Rouzbahani, K Hejranfar - Computer Physics Communications, 2017 - Elsevier
In the present study, a truly incompressible smoothed particle hydrodynamics based on the
artificial compressibility method for simulating steady and unsteady incompressible flows is …

Application of a preconditioned high‐order accurate artificial compressibility‐based incompressible flow solver in wide range of Reynolds numbers

K Hejranfar, K Parseh - International Journal for Numerical …, 2018 - Wiley Online Library
In the present study, the preconditioned incompressible Navier‐Stokes equations with the
artificial compressibility method formulated in the generalized curvilinear coordinates are …

Simulation of three‐dimensional incompressible flows in generalized curvilinear coordinates using a high‐order compact finite‐difference lattice Boltzmann method

E Ezzatneshan, K Hejranfar - International Journal for …, 2019 - Wiley Online Library
In the present study, a high‐order compact finite‐difference lattice Boltzmann method is
applied for accurately computing 3‐D incompressible flows in the generalized curvilinear …

Chebyshev collocation spectral lattice Boltzmann method for simulation of low-speed flows

K Hejranfar, M Hajihassanpour - Physical Review E, 2015 - APS
In this study, the Chebyshev collocation spectral lattice Boltzmann method (CCSLBM) is
developed and assessed for the computation of low-speed flows. Both steady and unsteady …

On application of high-order compact finite-difference schemes to compressible vorticity confinement method

M Sadri, K Hejranfar, M Ebrahimi - Aerospace Science and Technology, 2015 - Elsevier
The main goal of this study is to assess the application of high-order compact finite-
difference schemes for the solution of the Euler equations in conjunction with the …

Application of a shock-fitted spectral collocation method for computing transient high-speed inviscid flows over a blunt nose

M Najafi, K Hejranfar, V Esfahanian - Journal of Computational Physics, 2014 - Elsevier
Interaction of freestream disturbances with high-speed inviscid flow over a blunt nose is
simulated utilizing a shock-fitted spectral collocation method. The unsteady flow …

An implicit dual-time step** high-order nodal discontinuous Galerkin method for solving incompressible flows on triangle elements

M Hajihassanpour, K Hejranfar - Mathematics and Computers in Simulation, 2020 - Elsevier
In this work, a high-order nodal discontinuous Galerkin method (NDGM) is developed and
assessed for the simulation of 2D incompressible flows on triangle elements. The governing …