Particle-scale computational approaches to model dry and saturated granular flows of non-Brownian, non-cohesive, and non-spherical rigid bodies

A Wachs - Acta Mechanica, 2019 - Springer
We discuss methods to compute the flow of non-Brownian, non-cohesive, and non-spherical
rigid bodies immersed in a single homogeneous fluid. We address both the case of …

Best practices in overset grid generation

W Chan, R Gomez, S Rogers, P Buning - 32nd AIAA Fluid Dynamics …, 2002 - arc.aiaa.org
Grid generation for overset grids on complex geometry can be divided into four main steps:
geometry processing, surface-grid generation, volume-grid generation and domain …

Overset meshes for incompressible flows: On preserving accuracy of underlying discretizations

A Sharma, S Ananthan, J Sitaraman, S Thomas… - Journal of …, 2021 - Elsevier
This study on overset meshes for incompressible-flow simulations is motivated by accurate
prediction of wind farm aerodynamics involving large motions and deformations of …

A composite grid solver for conjugate heat transfer in fluid–structure systems

WD Henshaw, KK Chand - Journal of Computational Physics, 2009 - Elsevier
We describe a numerical method for modeling temperature-dependent fluid flow coupled to
heat transfer in solids. This approach to conjugate heat transfer can be used to compute …

Moving overlapping grids with adaptive mesh refinement for high-speed reactive and non-reactive flow

WD Henshaw, DW Schwendeman - Journal of Computational Physics, 2006 - Elsevier
We consider the solution of the reactive and non-reactive Euler equations on two-
dimensional domains that evolve in time. The domains are discretized using moving …

Parallel domain connectivity algorithm for unsteady flow computations using overlapping and adaptive grids

J Sitaraman, M Floros, A Wissink, M Potsdam - Journal of Computational …, 2010 - Elsevier
This paper describes the algorithms and functionality of a new module developed to support
overset grid assembly associated with performing time-dependent and adaptive moving …

Parallel computation of three-dimensional flows using overlapping grids with adaptive mesh refinement

WD Henshaw, DW Schwendeman - Journal of Computational Physics, 2008 - Elsevier
This paper describes an approach for the numerical solution of time-dependent partial
differential equations in complex three-dimensional domains. The domains are represented …

Large eddy simulation of compressible, shaped-hole film cooling

TA Oliver, DG Bogard, RD Moser - International Journal of Heat and Mass …, 2019 - Elsevier
Shaped-hole film cooling is an essential cooling technology in modern gas turbine engines.
The performance of a given film cooling design, and thus the life of the cooled part, is …

Direct numerical simulation of particulate flows with an overset grid method

AR Koblitz, S Lovett, N Nikiforakis… - Journal of computational …, 2017 - Elsevier
We evaluate an efficient overset grid method for two-dimensional and three-dimensional
particulate flows for small numbers of particles at finite Reynolds number. The rigid particles …

An adaptive numerical scheme for high-speed reactive flow on overlapping grids

WD Henshaw, DW Schwendeman - Journal of Computational Physics, 2003 - Elsevier
We describe a method for the numerical solution of high-speed reactive flow in complex
geometries using overlapping grids and block-structured adaptive mesh refinement. We …