Displaying similar documents to “Determination of the Dynamic Contact Angle trough the Meniscus Profile Определяне на динамичния контактен ъгъл чрез профила на менискуса”

Technology for Scanning Astronomical Photographic Plates

Tsvetkov, Milcho, Tsvetkova, Katya, Kirov, Nikolay (2012)

Serdica Journal of Computing

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ACM Computing Classification System (1998): J.2. Here we describe the technology and the experience during the astronomical photographic plate digitization with flatbed EPSON scanners. More than 275000 plates in different observatories in Europe were digitized with such scanners last decade. This work is supported by the BG NSF DO-02-273 and DO-02-275 grants and DFG grant STE: 710/6-1,20.11.2009.

Unilateral contact applications using FEM software

M. Stavroulaki, G. Stavroulakis (2002)

International Journal of Applied Mathematics and Computer Science

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Nonsmooth analysis, inequality constrained optimization and variational inequalities are involved in the modelling of unilateral contact problems. The corresponding theoretical and algorithmic tools, which are part of the area known as nonsmooth mechanics, are by no means classical. In general purpose software some of these tools (perhaps in a simplified way) are currently available. Two engineering applications, a rubber-coated roller contact problem and a masonry wall, solved with...

Experimental study on behavior of steel channel strengthened with CFRP

Hongyuan Tang, Xuezhi Deng, Xiaojun Zhou (2017)

Curved and Layered Structures

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This paper describes the behaviour of axially loaded long and eccentrically loaded short thin-walled steel channels, strengthened with transversely bonded carbon fibre reinforced polymer (CFRP) sheets. Seven long members, each 1400 mm long, and seven short members, each 750mmlong, were tested. The main parameters were the number of CFRP plies (one or two) and the clear spacing between the CFRP strips (50, 100 or 150 mm). The effect of CFRP sheet layer and clear spacing was studied. All...

Fracture mechanics as applied to plain and reinforced concrete with particular reference to scaling of experimental data

Crescentino Bosco, Alberto Carpinteri (1990)

Atti della Accademia Nazionale dei Lincei. Classe di Scienze Fisiche, Matematiche e Naturali. Rendiconti Lincei. Matematica e Applicazioni

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Whereas in elasticity and plasticity geometrically similar structures behave in the same way, when strain-softening and strain-localization are taken into account the structural behaviour ranges from ductile to brittle merely by increasing size and keeping material properties and geometrical shape unchanged. The size-scale of plain and reinforced concrete elements has often revealed a fundamental influence on the global structural behaviour. This has been theoretically predicted and...

Parallel Algorithm for the Local Variations Method Паралелен алгоритъм за метода на локалните вариации

Iliev, Dimitar, Iliev, Stanimir (2011)

Union of Bulgarian Mathematicians

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Димитър С. Илиев, Станимир Д. Илиев - Актуално е изследването на поведението на течен менискус в околността на хетерогенна стена. До сега няма получено числено решение за формата на менискуса около стена, която е с хаотична хетерогенност. В настоящата статия е разработен алгоритъм за метода на локалните вариации, който може да се използва на многопроцесорни системи. С този метод е получен за първи път профила на равновесен течен менискус около вертикална стена с хаотична хетерогенност. ...