Machine learning optimization of compact finite volume methods on unstructured grids
Fourier analysis based optimization techniques have been developed for numerical
schemes on structured grids and result in significant performance improvements. However …
schemes on structured grids and result in significant performance improvements. However …
A shock capturing artificial viscosity scheme in consistent with the compact high-order finite volume methods
Z Wu, YX Ren - Journal of Computational Physics, 2024 - Elsevier
This paper presents a shock capturing artificial viscosity scheme for the compact high-order
finite volume methods in terms of the variational reconstructions on unstructured grids. The …
finite volume methods in terms of the variational reconstructions on unstructured grids. The …
A scale-aware dispersion-relation-preserving finite difference scheme for computational aeroacoustics
Y Li, YX Ren - Physics of Fluids, 2023 - pubs.aip.org
The numerical schemes for computational aeroacoustics (CAA) should have minimal
dispersion and proper dissipation in order to accurately capture the amplitude and phase of …
dispersion and proper dissipation in order to accurately capture the amplitude and phase of …
Quasi-Newton positivity-preserving scheme for the Spalart-Allmaras turbulence model using unstructured grids
Y Mor-Yossef - Journal of Computational Physics, 2024 - Elsevier
A new implicit method for solving the Spalart-Allmaras (SA) turbulence model is proposed
using a formal second-order upwind scheme on unstructured grids for steady-state flows …
using a formal second-order upwind scheme on unstructured grids for steady-state flows …
Numerical investigation of angle parameters of tip sails for improvement of aircraft flight performance
M Yang, S Li, X Bian, J Liu - Engineering Applications of …, 2024 - Taylor & Francis
Inspired by the tip feathers of soaring birds, the device of tip sails was designed and
installed on the wing to achieve drag reduction. The influences of design parameters …
installed on the wing to achieve drag reduction. The influences of design parameters …
A general positivity-preserving algorithm for implicit high-order finite volume schemes solving the Euler and Navier-Stokes equations
This paper presents a general positivity-preserving algorithm for implicit high-order finite
volume schemes that solve compressible Euler and Navier-Stokes equations to ensure the …
volume schemes that solve compressible Euler and Navier-Stokes equations to ensure the …
Combination of Advanced Actuator Line/Disk Model and High-Order Unstructured Finite Volume Solver for Helicopter Rotors
M Yang, S Li, W Pei - Aerospace, 2024 - mdpi.com
In the research field of rotorcraft aerodynamics, there are two fundamental challenges:
resolving the complex vortex structures in rotor wakes and representing the moving rotor …
resolving the complex vortex structures in rotor wakes and representing the moving rotor …
High-Order Accurate Implicit Time Marching Scheme for Solving Compressible Navier-Stokes Equations Based on Temporal Reconstruction
H Zhou, YX Ren - Available at SSRN 5049234 - papers.ssrn.com
This paper presents a new family of high-order implicit time marching schemes based on
direct integration and temporal reconstruction (DITR). These schemes can be used to solve …
direct integration and temporal reconstruction (DITR). These schemes can be used to solve …
A Reconstruction Technique for High-order Variational Finite Volume Schemes Based on Conjugate Gradient Method
F Ni, J Pan, WG Zeng, YX Ren - Available at SSRN 4995352 - papers.ssrn.com
This paper proposes a novel reconstruction technique based on conjugate gradient method
for the variational finite volume schemes. Compared with the Gauss-Seidel or Jacobian …
for the variational finite volume schemes. Compared with the Gauss-Seidel or Jacobian …
[PDF][PDF] Machine learning optimization framework for numerical schemes on unstructured grids
Fourier analysis based optimization techniques have been developed for numerical
schemes on structured grids and result in significant performance improvements. However …
schemes on structured grids and result in significant performance improvements. However …