نتایج جستجو برای: pasternak model
تعداد نتایج: 2104596 فیلتر نتایج به سال:
abstract this paper discusses several commonly used models for strategic marketing¹ including market environmental analysis methods (i.e. swot and pest analysis) and strategic marketing tools and techniques (i.e. boston matrix and shell directional policy matrix)and shows how these models may help a firm to achieve its strategic goals. at first, the main reason for doing this research is de...
The work of a reinforced concrete beam lying on an elastic foundation is considered, the deformation characteristics which are described by model with two Vlasov-Pasternak bed coefficients. coefficients considered as stationary random normally distributed functions x coordinate. Strength concrete: cube strength and tensile assumed to be variables Gaussian probability density distributions. conc...
In this study, the finite element analysis of sigmoid functionally graded material (S-FGM) plates resting on orthotropic Pasternak elastic foundations with different angles is presented. For modelling, SAP2000 software package used in which required adjustments are made to obtain expected behaviour plate-foundation system. The plate modelled both using solid elements and layered shell by defini...
Brazilian Portuguese has received much attention in the typology of noun phrases for being a language with fully-fledged determiner system that also allows generalized bare singular nominals. This paper investigates use singulars relative measure constructions, such as um terço de mulher (literally, ‘one third woman’). We show Ahn & Sauerland’s (2015, 2017) and Pasternak (2020) analysis...
Abstract In this article, the nonlinear dynamic responses of sandwich functionally graded (FG) porous cylindrical shell embedded in elastic media are investigated. The studied here consists three layers, which outer and inner skins made solid metal, while core is FG metal foam. Partial differential equations derived by utilizing improved Donnell’s theory Hamilton’s principle. Afterwards, Galerk...
rivers and runoff have always been of interest to human beings. in order to make use of the proper water resources, human societies, industrial and agricultural centers, etc. have usually been established near rivers. as the time goes on, these societies developed, and therefore water resources were extracted more and more. consequently, conditions of water quality of the rivers experienced rap...
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