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Analysis of the effects of rough surfaces in compressible thin film flow by homogenization
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- Lukkassen, Dag (author)
- Narvik University College and Norut Narvik
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- Meidell, Annette (author)
- Narvik University College, 8505 Narvik, Norway
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- Wall, Peter (author)
- Luleå tekniska universitet,Matematiska vetenskaper
- (creator_code:org_t)
- Elsevier BV, 2011
- 2011
- English.
- In: International Journal of Engineering Science. - : Elsevier BV. - 0020-7225 .- 1879-2197. ; 49:5, s. 369-377
- Journal article (peer-reviewed)
Abstract
Subject headings
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- A classical problem in lubrication theory is to predict the pressure distribution in a thin fluid film between two surfaces which are in relative motion. If one of the surfaces is rough, then the distance between the surfaces is rapidly oscillating. This leads to that the governing Reynolds partial differential equation involves rapidly oscillating coefficients. The branch in mathematics which considers such types of equations is known as homogenization. In this paper we study the effects of surface roughness for a special type of compressible fluid. In particular, we derive homogenization results connected to the friction force and the load carrying capacity
Subject headings
- NATURVETENSKAP -- Matematik -- Matematisk analys (hsv//swe)
- NATURAL SCIENCES -- Mathematics -- Mathematical Analysis (hsv//eng)
Keyword
- Matematik
- Mathematics
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- ref (subject category)
- art (subject category)
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- Luleå University of Technology
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