Infilled Reinforced Concrete Beams for Sustainable Construction

Patel, R. B.; Kumar, Dubey Sheo; Kant, Pathak Krishna

doi:10.17265/1934-7359/2013.11.004

Cited by 1 publication

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References 4 publications

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“…Originally MIF was used for analysis of the loads of a flat elastic medium [6]. Since then it was used for solving concrete beams, plates and composite materials problems [7,8]. A solution in the form of a power series with coefficients depending on x was assumed.…”

Section: Introductionmentioning

confidence: 99%

Heat Transport Analysis in Rectangular Shields Using the Laplace and Poisson Equations

Owczarek

2020

Energies

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In the design of a building envelope, there is the issue of heat flow through the partitions. In the heat flow process, we distinguish steady and dynamic states in which heat fluxes need to be obtained as part of building physics calculations. This article describes the issue of determining the size of those heat fluxes. The search for the temperature field in a two-dimensional problem is common in building physics and heat exchange in general. Both numerical and analytical methods can be used to obtain a solution. Two methods were dealt with, the first of which was used to obtain the solution in the steady state and the other in the transient. In the steady state a method of initial functions, the basics of which were given by W.Z. Vlasov and A.Y. Lur’e was adopted. Originally MIF was used for analysis of the loads of a flat elastic medium. Since then it was used for solving concrete beams, plates and composite materials problems. Polynomial half-reverse solutions are used in the theory of a continuous medium. Here solutions were obtained by the direct method. As a result, polynomial forms of the considered temperature field were obtained. A Cartesian coordinate system and rectangular shape of the plate were assumed. The problem is governed by the Laplace equation in the steady state and Poisson in the transient state. Boundary conditions in the form of temperature (τ(x), t(y)) or/and flux (p(x), q(y)) can be provided. In the steady state the solution T(x, y) was assumed in the form of an infinite power series developed in relation to the variable y with coefficients Cn depending on x. The assumed solution was substituted into the Fourier equation and after expanding into the Taylor series the boundary condition for y = 0 and y = h was taken into account. From this condition the coefficient Cn can be calculated and, therefore, a closed solution for the temperature field in the plate.

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Section: Introductionmentioning

confidence: 99%

Heat Transport Analysis in Rectangular Shields Using the Laplace and Poisson Equations

Owczarek

2020

Energies

View full text Add to dashboard Cite

show abstract

Infilled Reinforced Concrete Beams for Sustainable Construction

Cited by 1 publication

References 4 publications

Heat Transport Analysis in Rectangular Shields Using the Laplace and Poisson Equations

Heat Transport Analysis in Rectangular Shields Using the Laplace and Poisson Equations

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