Numerical investigation of the cavitating flow and the cavitation-induced noise around one and two circular cylinders

M Sadri, E Kadivar - Ocean Engineering, 2023 - Elsevier
In this work, we simulated a two-phase cavitating flow around one and two circular cylinders
with the density based homogeneous mixture model. We discretized the governing …

Application of arbitrary Lagrangian–Eulerian unstructured finite volume lattice Boltzmann method to simulate compressible viscous flows over moving bodies

HH Nasab, K Hejranfar, MH Azampour - Meccanica, 2023 - Springer
In this work, a central difference unstructured finite volume lattice Boltzmann method
(FVLBM) in an arbitrary Lagrangian–Eulerian (ALE) framework is applied to effectively …

An implicit dual-time step** spectral difference lattice Boltzmann method for simulation of viscous compressible flows on structured meshes

A Ghaffarian, K Hejranfar - Meccanica, 2019 - Springer
In this work, the spectral difference lattice Boltzmann method (SDLBM) is extended and
applied for accurately computing two-dimensional viscous compressible flows on structured …

Numerical simulation of shock-disturbances interaction in high-speed compressible inviscid flow over a blunt nose using weighted essentially non-oscillatory scheme

K Hejranfar, S Rahmani - Wave Motion, 2019 - Elsevier
In the present study, shock-disturbances interaction in high-speed compressible inviscid
flow is simulated utilizing the weighted essentially non-oscillatory (WENO) scheme by …

Accuracy improvement of second-order central scheme using smart post-process filter for hybrid RANS/LES method

R Pasandeh, V Esfahanian - Aerospace Science and Technology, 2017 - Elsevier
The present research aims to propose a new approach to improve the performance of
computational codes employing the RANS/LES technique with 2nd order central scheme. To …

A novel hybrid approach with multidimensional-like effects for compressible flow computations

P Kalita, AK Dass - Journal of Computational Physics, 2017 - Elsevier
A multidimensional scheme achieves good resolution of strong and weak shocks
irrespective of whether the discontinuities are aligned with or inclined to the grid. However …

Numerical experiments on a hybrid WENO5 filter for shock‐capturing

H Mahmoodi Darian, R Bozorgpour… - Numerical Methods for …, 2019 - Wiley Online Library
In the present paper, a hybrid filter is introduced for high accurate numerical simulation of
shock‐containing flows. The fourth‐order compact finite difference scheme is used for the …

Accelerating high-order WENO schemes using two heterogeneous GPUs

H Mahmoodi Darian - Journal of Computational Applied Mechanics, 2017 - jcamech.ut.ac.ir
A double-GPU code is developed to accelerate WENO schemes. The test problem is a
compressible viscous flow. The convective terms are discretized using third-to ninth-order …