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  1. Journal of the Brazilian Society of Mechanical Sciences and Engineering
  2. Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 36
  3. Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 36, Issue 1, January 2014
  4. Verification and accuracy comparison of commercial CFD codes using hydrodynamic instability
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Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 40
Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 39
Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 38
Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 37
Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 36
Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 36, Issue 4, October 2014
Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 36, Issue 3, May 2014
Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 36, Issue 2, February 2014
Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 36, Issue 1, January 2014
A two-fluid model for refrigerant flow through adiabatic capillary tubes
The influence of geometrical and operational parameters on Y-jet atomizers performance
Performance and emissions of a gas turbine engine using ox tallow ethyl-ester blended with kerosene
Influence of intake pipe length and diameter on the performance of a spark ignition engine
Numerical simulation of carbon monoxide emissions from spark ignition engines
Combined effects of micropolarity and surface roughness on the hydrodynamic lubrication of slider bearings
Verification and accuracy comparison of commercial CFD codes using hydrodynamic instability
Estimation of open channels hydraulic parameters with the stochastic particle collision algorithm
A new algorithm for the simulation of a rarefied gas flow in a rotating cylinder using the consistent Boltzmann algorithm
Optimization of ANN models using different optimization methods for improving CO$_{2}$ laser cut quality characteristics
Optimization of nonlinear characteristics of ball burnishing process using Sugeno fuzzy neural system
Multibody modeling of the shot peening process
Theoretical and experimental study of agricultural spraying using CFD
New heuristics for the no-wait flowshop with sequence-dependent setup times problem
A continuum-based mixed axisymmetric shell element for limit and shakedown analysis
The use of conventional strain gauges evaluation for measurements of residual stresses in welded joints
Nucleate boiling of water using nanostructured surfaces
Inverse determination of blood perfusion coefficient by using different deterministic and heuristic techniques
A numerical study of combined convective and radiative heat transfer in non-reactive turbulent channel flows with several optical thicknesses: a comparison between LES and RANS
Optimal point-to-point motion planning of non-holonomic mobile robots in the presence of multiple obstacles
Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 35

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Verification and accuracy comparison of commercial CFD codes using hydrodynamic instability

Content Provider SpringerLink
Author Reis, Danilo C. Medeiros, Marcello A. F. Simões, Leandro G. C. Gennaro, Elmer M. Malatesta, Vinicius
Copyright Year 2013
Abstract Code verification is mainly concerned with programming errors. Once a code is free of such errors, the verification of results can characterize the code accuracy, in particular the truncation error is of interest. Accuracy is an important feature of any code and the verification results provide some measure that can be used to compare code performance. Code verification requires an exact solution to which the numerical solution can be compared and the error precisely quantified. In the computational fluid dynamics community the method of manufactured solutions (MMS) is recommended as it can produce an exact solution sufficiently complex to test all code routines. However, it requires the addition of source terms in the equations of motion, a possibility that is almost never available in commercial codes. Exact solutions are also employed, but they represent very simplified flows that cannot test all code routines. Other verification tests exist, but they are also limited in comparison with MMS. Yet, even some of these limited tests are impossible to perform in many commercial codes. This paper presents a test based on linear stability theory. It is shown that the test is very demanding. It is also shown that the test could be performed even on codes that are very restrictive on what a user is allowed to do. It is not as complete as the MMS, but it is substantially more general than simple exact solutions of the Navier–Stokes equations. For instance it can account for three-dimensionality and compressibility effects, among other generalizations. The results enable a comparison of several codes in terms of refinement necessary for a grid-independent solution and the accuracy of the converged solution.
Starting Page 59
Ending Page 68
Page Count 10
File Format PDF
ISSN 16785878
Journal Journal of the Brazilian Society of Mechanical Sciences and Engineering
Volume Number 36
Issue Number 1
e-ISSN 18063691
Language English
Publisher Springer Berlin Heidelberg
Publisher Date 2013-07-16
Publisher Place Berlin, Heidelberg
Access Restriction One Nation One Subscription (ONOS)
Subject Keyword Linear stability theory Mechanical Engineering Taylor-Green vortices Code verification Mixing layer
Content Type Text
Resource Type Article
Subject Applied Mathematics Industrial and Manufacturing Engineering Automotive Engineering Mechanical Engineering Aerospace Engineering
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