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Swanson, Charles R. and Langer, Stefan (2016) Comparison of NACA 0012 Laminar Flow Solutions: Structured and Unstructured Grid Methods. Other. NASA/TM–2016–219003.
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Abstract
In this paper we consider the solution of the compressible Navier-Stokes equations for a class of laminar airfoil flows. The principal objective of this paper is to demonstrate that members of this class of laminar flows have steady-state solutions. These laminar airfoil flow cases are often used to evaluate accuracy, stability and convergence of numerical solution algorithms for the Navier-Stokes equations. In recent years, such flows have also been used as test cases for high-order numerical schemes. While generally consistent steady-state solutions have been obtained for these flows using higher order schemes, a number of results have been published with various solutions, including unsteady ones. We demonstrate with two different numerical methods and a range of meshes with a maximum density that exceeds 8 × 10^6 grid points that steady-state solutions are obtained. Furthermore, numerical evidence is presented that even when solving the equations with an unsteady algorithm, one obtains steady-state solutions.
| Item URL in elib: | https://elib.dlr.de/107282/ | |||||||||
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| Document Type: | Monograph (Other) | |||||||||
| Title: | Comparison of NACA 0012 Laminar Flow Solutions: Structured and Unstructured Grid Methods | |||||||||
| Authors: |
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| Date: | January 2016 | |||||||||
| Refereed publication: | No | |||||||||
| Open Access: | No | |||||||||
| Gold Open Access: | No | |||||||||
| In SCOPUS: | No | |||||||||
| In ISI Web of Science: | No | |||||||||
| Series Name: | NASA TECHNICAL MEMORANDUM | |||||||||
| Status: | Published | |||||||||
| Keywords: | NACA 0012, Laminar flow, Structured and Unstructured Grid code | |||||||||
| HGF - Research field: | Aeronautics, Space and Transport | |||||||||
| HGF - Program: | Aeronautics | |||||||||
| HGF - Program Themes: | fixed-wing aircraft | |||||||||
| DLR - Research area: | Aeronautics | |||||||||
| DLR - Program: | L AR - Aircraft Research | |||||||||
| DLR - Research theme (Project): | L - Flight Physics (old) | |||||||||
| Location: | Braunschweig | |||||||||
| Institutes and Institutions: | Institute of Aerodynamics and Flow Technology > C²A²S²E - Center for Computer Applications in AeroSpace Science and Engineering | |||||||||
| Deposited By: | Langer, Dr.rer.nat. Stefan | |||||||||
| Deposited On: | 07 Nov 2016 10:48 | |||||||||
| Last Modified: | 07 Nov 2016 10:48 |
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