Search Results - "Chekurin, V. F."

Polarization-Optical Parameters of the Axisymmetric Residual Stresses in an Isotropic Dielectric Cylinder by Chekurin, V. F., Postolaki, L. I., Dyakiv, V. V.

“…We consider the direct problem of determination of axisymmetric residual stresses in a finite isotropic dielectric cylindrical body caused by the diagonal…”
Get full text

Application of the Variational Method of Homogeneous Solutions in the Axisymmetric Problem of the Theory of Elasticity for a Finite Cylinder with Regard for Its Own Weight by Chekurin, V. F., Postolaki, L. I.

“…We use the variational method of homogeneous solutions to investigate the stress-strain state of a solid finite cylinder with regard for its own weight. The…”
Get full text

Mathematical Model for the Evaluation of Temperature of the Surface Covered with a Heat-Insulating Layer by Chekurin, V. F., Boichuk, Y. V.

“…We consider a mathematical model for the evaluation of temperature of a surface covered with a thin heat-insulating layer according to the data of measurements…”
Get full text

Transient Processes in a Gas Flow Through a Pipeline Caused by a Local Leak by Chekurin, V. F., Khymko, О. М.

“…We propose a mathematical model for the description of transient processes in a gas flow through a long pipeline formed under the conditions of its local…”
Get full text

Mathematical Models for the Integrity Control of the Linear Parts of Gas Mains by Chekurin, V. F., Khymko, О. М.

“…We formulate boundary-value problems modeling gas flows in long pipelines for different conditions of external control. By using the data of monitoring of the…”
Get full text

Application of the Variational Method of Homogeneous Solutions for the Determination of Axisymmetric Residual Stresses in a Finite Cylinder by Chekurin, V. F., Postolaki, L. I.

“…We consider the problem of determination of axisymmetric residual stresses caused by incompatible residual strains in a circular cylinder of finite height. The…”
Get full text

Application of the Variational Method of Homogeneous Solutions for the Optimal Control of the Axisymmetric Thermoelastic State of a Cylinder by Chekurin, V. F., Postolaki, L. I.

“…We propose a variational approach to the solution of the problem of optimization of a stationary axisymmetric thermal stressed state of a finite solid cylinder…”
Get full text

Metal-insulator transition induced by changes in composition in the Zr1-xScxNiSn solid solution range by STADNYK, Yu. V, ROMAKA, V. A, GORELENKO, Yu. K, ROMAKA, L. P, FRUCHAN, D, CHEKURIN, V. F

“…Magnetic susceptibility oscillations around the metal-insulator transition across the Zr1-xScxNiSn solid solution compositions were experimentally observed for…”
Get full text

Mathematical Model for the Emission Infrared Tomography of the Temperature Field in an Isotropic Layer by Chekurin, V. F., Boichuk, Yu. V.

“…We consider a mathematical model for the determination of the temperature field in a layer that emits, absorbs, and scatters infrared radiation both in the…”
Get full text

Influence of the inhomogeneity of the initial stress-strain state on elastic perturbations in a solid body by Chekurin, V F, Kravchyshyn, O Z

“…We study the influence of inhomogeneities of the field of initial stresses on the time of motion of a pulse of strains in the elastic continuum and its mean…”
Get full text

On the statistical theory of long-term strength of glass by MARGOLIN, A. M, MARTYNOVA, V. P, OSADCHUK, V. A, CHEKURIN, V. F

“…We present new methods for the evaluation of the statistical parameters of long-term strength of glass and describe the procedure of preparation of specimens…”
Get full text

Identification of the Parameters of Multilayer Coatings According to the Thermoelastic Displacements of the Surface of Heating by Chekurin, V F, Protsyuk, B V

“…With an aim to develop a method for the evaluation of the parameters of multilayer coatings, we study the influence of geometric, elastic, and thermal…”
Get full text

Mathematical Model of Cracking of Laser-Modified Metal-Powder Coatings by Chekurin, V F, Pokhmurs'ka, H V

“…We develop a mathematical model for the description of residual stresses and crack initiation in laser-modified coatings applied by the method of electric-arc…”
Get full text

Conductivity mechanisms in heavy-doped n-ZrNiSn intermetallic semiconductors by Fruchart, D., Romaka, V.A., Stadnyk, Yu.V., Romaka, L.P., Gorelenko, Yu.K., Shelyapina, M.G., Chekurin, V.F.

“…A high concentration of the acceptor impurities ( N A about of 10 20 cm −3) influence on the electronic structure, the Fermi level location,…”
Get full text

Inverse problem of optical monitoring of residual stresses in piecewise-homogeneous cylindrical shells by Chekurin, V F

“…We consider the inverse problem of determination of the stress-strain state of a circular cylindrical shell formed by two pans of different nature joined with…”
Get full text

On the Theory of Acoustic Tomography of Stresses in Solids by Chekurin, V F, Kravchyshyn, O Z

“…We consider a mathematical model of propagation of weak elastic perturbations in acoustically inhomogeneous solids. The acoustic inhomogeneity and anisotropy…”
Get full text

Theoretical and experimental determination of residual stresses in plane joints by Chekurin, V. F., Postolaki, L. I.

“…We have developed a mathematical model for determining residual stresses and stress concentration in the neighborhood of a plane joint of dissimilar materials…”
Get full text

Mathematical Model of Magnetic Aftereffect in Hydrogenated Ferromagnets by Andreikiv, O E, Chekurin, V F, Gembara, O V

“…We consider a mathematical model of magnetic aftereffect in ferromagnets saturated with hydrogen. The influence of the concentration of hydrogen on the…”
Get full text

Features of electrical conductivity in the n-ZrNiSn intermetallic semiconductor heavily doped with the In acceptor impurity by Romaka, V. A., Stadnyk, Yu. V., Romaka, V. V., Fruchart, D., Gorelenko, Yu. K., Chekurin, V. F., Goryn’, A. M.

“…The temperature and concentration dependences of resistivity and thermopower in a heavily doped and highly compensated semiconductor alloy ZrNiSn1−xInx in the…”
Get full text

Field of residual stresses in a coating with crack by Chekurin, V F, Pokhmurs'ka, H V

“…We consider an object with coating deposited on its plane surface. The coating is subjected to the action of known uniform uniaxial tensile residual stresses…”
Get full text