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72.684  Articles
1 of 7.269 pages  |  10  records  |  more records»
This paper examines a model for coupled heat and mass transfer for freezing in a porous media with Dirichlet and convective boundary conditions. Variables include porosity, heat transfer coefficients, thermal and mass diffusivity, density, latent heat, an... see more

In this paper, we study a mixed problem for a third order parabolic equation with non classical boundary condition. We prove the existence and uniqueness of the solution. The proof of the uniqueness is based on a priori estimate and the existence is estab... see more

This paper is devoted to the decomposition method which is applied to solve problems with non local boundary conditions. The analytic solution of the problem is calculated in a series form with easily computable components. The comparison of   t... see more

Linear speed problems with fixed boundary conditions and control influence vector (general case) are considered, for the solution of which Pukhov’s differential transformations serve as a main mathematical apparatus. The merits of the proposed approach wi... see more

In this paper, magnetohydrodynamic convection is analyzed numerically for a square enclosure filled with Fe3O4–water ferrofluid. A time-dependent exponential thermal boundary condition is applied at the bottom wall of the cavity. The ferrofluid is modeled... see more

The most general relativistic boundary conditions (BCs) for a “free” Dirac particle in a one-dimensional box are discussed. It is verified that in the Weyl representation there is only one family of BCs, labelled with four parameters. This family splits i... see more

This article discusses the traditional stiffness characterization of sheet metal, examined the impact sensitivity of general cover panel geometry to the sheet metal stiffness, and determines the main factors affecting it. The sheet metal stiffness was cha... see more

The Density Matrix Renormalization Group (DMRG) is a state-of-the-art numerical technique for a one dimensional quantum many-body system; but calculating accurate results for a system with Periodic Boundary Condition (PBC) from the conventional ... see more

In this paper, we study a mixed problem for a third order parabolic equation with non classical boundary condition. We prove the existence and uniqueness of the solution. The proof of the uniqueness is based on a priori estimate and the existence is estab... see more

1 of 7.269 pages  |  10  records  |  more records»