Sensitivity computations of eddy viscosity models with an application in drag computation

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Abstract

This paper presents a numerical study of the sensitivity of an eddy viscosity model with respect to the variation of the eddy viscosity parameter for the two-dimensional driven cavity problem and flow around a cylinder. The main objective is to provide a comparison between computing the sensitivity using sensitivity equation and computing the sensitivity using finite difference methods and also numerically illustrate the application of the sensitivity computations in improving drag flow functional.

Original languageEnglish (US)
Pages (from-to)381-392
Number of pages12
JournalInternational Journal for Numerical Methods in Fluids
Volume52
Issue number4
DOIs
StatePublished - Oct 10 2006

Fingerprint

Eddy Viscosity
Drag
Viscosity
Finite difference method
Model
Computing
Difference Method
Numerical Study
Finite Difference
Cavity

All Science Journal Classification (ASJC) codes

  • Computational Mechanics
  • Mechanics of Materials
  • Mechanical Engineering
  • Computer Science Applications
  • Applied Mathematics

Cite this

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abstract = "This paper presents a numerical study of the sensitivity of an eddy viscosity model with respect to the variation of the eddy viscosity parameter for the two-dimensional driven cavity problem and flow around a cylinder. The main objective is to provide a comparison between computing the sensitivity using sensitivity equation and computing the sensitivity using finite difference methods and also numerically illustrate the application of the sensitivity computations in improving drag flow functional.",
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