A numerical investigation of explicit pressure-correction projection methods for incompressible flows

A numerical investigation is performed on an explicit pressure-correction projection method. The schemes are fully explicit in time in the framework of the finite difference method. They are tested on benchmark cases of a lid-driven cavity flow, flow past a cylinder and flow over a backward facing...

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Main Authors:	Ungku, Abdul Hafiz, Hoda, Asif, Asrar, Waqar
Format:	Article
Language:	English English
Published:	The Hong Kong Polytechnic University 2015
Subjects:	QA Mathematics QA76 Computer software TJ Mechanical engineering and machinery TL500 Aeronautics
Online Access:	http://irep.iium.edu.my/42553/ http://irep.iium.edu.my/42553/ http://irep.iium.edu.my/42553/ http://irep.iium.edu.my/42553/1/Numerical_Investigatiom_of_exp_pr-corr_methods.pdf http://irep.iium.edu.my/42553/4/42553_A%20numerical%20investigation%20of%20explicit%20pressure_SCOPUS.pdf

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spelling	iium-425532017-11-07T09:27:35Z http://irep.iium.edu.my/42553/ A numerical investigation of explicit pressure-correction projection methods for incompressible flows Ungku, Abdul Hafiz Hoda, Asif Asrar, Waqar QA Mathematics QA76 Computer software TJ Mechanical engineering and machinery TL500 Aeronautics A numerical investigation is performed on an explicit pressure-correction projection method. The schemes are fully explicit in time in the framework of the finite difference method. They are tested on benchmark cases of a lid-driven cavity flow, flow past a cylinder and flow over a backward facing step. Comparisons of the numerical simulations have been made with benchmark experimental and DNS data. Based on the results obtained, several numerical issues are discussed; namely, the handling of the pressure term, time discretization and spatial discretization of convective and diffusive terms. The fully explicit projection method is also compared with the fully implicit SIMPLE algorithm. It is observed that the SIMPLE algorithm performs better (faster and produces more accurate results) for laminar flows while the projection method works better for unsteady turbulent flows. Although there have been much research performed using the higher-order pressure incremental projection method, this research work is novel because the schemes employed here are fully explicit, developed in the framework of a finite difference method, and applied to turbulent flows using k- model. The major difficulty and challenges of this research work is to identify the sources of instability for the higher-order pressure incremental projection method scheme. The Hong Kong Polytechnic University 2015 Article PeerReviewed application/pdf en http://irep.iium.edu.my/42553/1/Numerical_Investigatiom_of_exp_pr-corr_methods.pdf application/pdf en http://irep.iium.edu.my/42553/4/42553_A%20numerical%20investigation%20of%20explicit%20pressure_SCOPUS.pdf Ungku, Abdul Hafiz and Hoda, Asif and Asrar, Waqar (2015) A numerical investigation of explicit pressure-correction projection methods for incompressible flows. Engineering Applications of Computational Fluid Mechanics. pp. 1-16. ISSN 1994-2060 (P) 1997-003X (O) http://www.tandfonline.com/doi/full/10.1080/19942060.2015.1004810#abstract http://dx.doi.org/10.1080/19942060.2015.1004810
repository_type	Digital Repository
institution_category	Local University
institution	International Islamic University Malaysia
building	IIUM Repository
collection	Online Access
language	English English
topic	QA Mathematics QA76 Computer software TJ Mechanical engineering and machinery TL500 Aeronautics
spellingShingle	QA Mathematics QA76 Computer software TJ Mechanical engineering and machinery TL500 Aeronautics Ungku, Abdul Hafiz Hoda, Asif Asrar, Waqar A numerical investigation of explicit pressure-correction projection methods for incompressible flows
description	A numerical investigation is performed on an explicit pressure-correction projection method. The schemes are fully explicit in time in the framework of the finite difference method. They are tested on benchmark cases of a lid-driven cavity flow, flow past a cylinder and flow over a backward facing step. Comparisons of the numerical simulations have been made with benchmark experimental and DNS data. Based on the results obtained, several numerical issues are discussed; namely, the handling of the pressure term, time discretization and spatial discretization of convective and diffusive terms. The fully explicit projection method is also compared with the fully implicit SIMPLE algorithm. It is observed that the SIMPLE algorithm performs better (faster and produces more accurate results) for laminar flows while the projection method works better for unsteady turbulent flows. Although there have been much research performed using the higher-order pressure incremental projection method, this research work is novel because the schemes employed here are fully explicit, developed in the framework of a finite difference method, and applied to turbulent flows using k- model. The major difficulty and challenges of this research work is to identify the sources of instability for the higher-order pressure incremental projection method scheme.
format	Article
author	Ungku, Abdul Hafiz Hoda, Asif Asrar, Waqar
author_facet	Ungku, Abdul Hafiz Hoda, Asif Asrar, Waqar
author_sort	Ungku, Abdul Hafiz
title	A numerical investigation of explicit pressure-correction projection methods for incompressible flows
title_short	A numerical investigation of explicit pressure-correction projection methods for incompressible flows
title_full	A numerical investigation of explicit pressure-correction projection methods for incompressible flows
title_fullStr	A numerical investigation of explicit pressure-correction projection methods for incompressible flows
title_full_unstemmed	A numerical investigation of explicit pressure-correction projection methods for incompressible flows
title_sort	numerical investigation of explicit pressure-correction projection methods for incompressible flows
publisher	The Hong Kong Polytechnic University
publishDate	2015
url	http://irep.iium.edu.my/42553/ http://irep.iium.edu.my/42553/ http://irep.iium.edu.my/42553/ http://irep.iium.edu.my/42553/1/Numerical_Investigatiom_of_exp_pr-corr_methods.pdf http://irep.iium.edu.my/42553/4/42553_A%20numerical%20investigation%20of%20explicit%20pressure_SCOPUS.pdf
first_indexed	2023-09-18T21:00:37Z
last_indexed	2023-09-18T21:00:37Z
_version_	1777410599015153664

A numerical investigation of explicit pressure-correction projection methods for incompressible flows

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