Homotopy perturbation method for thin film flow of a fourth grade fluid down a vertical cylinder

Abdul M. Siddiqui, R. Mahmood, Q. K. Ghori

Research output: Contribution to journalArticle

104 Citations (Scopus)

Abstract

The present Letter applies the homotopy perturbation method and the traditional perturbation method to obtain analytic approximations of the non-linear equations modeling thin film flow of a fourth grade fluid falling on the outer surface of an infinitely long vertical cylinder. Expressions for the velocity, volume flux and average velocity are obtained. Comparison of the results obtained by the two methods reveal that homotopy perturbation method is more effective and easy to use.

Original languageEnglish (US)
Pages (from-to)404-410
Number of pages7
JournalPhysics Letters, Section A: General, Atomic and Solid State Physics
Volume352
Issue number4-5
DOIs
StatePublished - Apr 3 2006

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grade
perturbation
fluids
thin films
falling
nonlinear equations
approximation

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Cite this

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Homotopy perturbation method for thin film flow of a fourth grade fluid down a vertical cylinder. / Siddiqui, Abdul M.; Mahmood, R.; Ghori, Q. K.

In: Physics Letters, Section A: General, Atomic and Solid State Physics, Vol. 352, No. 4-5, 03.04.2006, p. 404-410.

Research output: Contribution to journalArticle

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