Search Results - "Ustinov, K. B."

Influence of shape and locations of initial 3-D cracks on their growth in uniaxial compression by Dyskin, A.V, Sahouryeh, E, Jewell, R.J, Joer, H, Ustinov, K.B

“…Mechanisms of 3-D crack development in uniaxial compression have been studied. Several tests undertaken on different transparent casting resin, cement and…”
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On Induced Anisotropy of Mechanical Properties of Elastomers by Ustinov, K. B.

“…A model of elastomers is presented, aimed at a comprehensive description of the deformation and strength properties characteristic of this type of material: a…”
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On delamination of bi‐layers composed by orthotropic materials: Exact analytical solutions for some particular cases by Ustinov, K. B., Idrisov, D. M.

“…Earlier [1, 2, 3], exact analytical solutions were obtained for three configurations of composed bi‐layers with semi‐infinite interface cracks: (i) the bilayer…”
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On Combined Influence of Substrate Curvature and Compliance on Parameters of Coating Delamination from a Cylindrical Base by Ustinov, K. B., Gandilyan, D. V.

“…Simultaneous influence of substrate curvature and compliance on delamination of coatings is investigated by modeling of the delaminated part of the coating…”
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Factors of Stability of Wells in Reservoirs of Underground Gas Storage Facilities by Karev, V. I., Kovalenko, Yu. F., Ustinov, K. B.

“…Preserving the integrity of wells and preventing sand production processes are among the key problems in the operation of underground gas storage facilities…”
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Geomechanical Analysis of the Wellbore Wall Breakouts Formation by Kovalenko, Yu. F., Ustinov, K. B., Karev, V. I.

“…A physical simulation of the formation of wellbore wall breakouts was carried out on rock samples with holes drilled perpendicular to the bedding. The…”
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On Values Characterizing the Degree of Elastic Anisotropy of Transversely Isotropic Rocks; Role of Shear Modulus by Zhuravlev, A. B., Ustinov, K. B.

“…The influence of the elastic constants of transversely isotropic rocks on the stress concentration values on the well contour is studied. It is shown that in…”
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Experimental Study of the Effect of Anisotropy on the Orientation of Breakouts in Wells by Ustinov, K. B., Karev, V. I., Kovalenko, Yu. F., Barkov, S. O., Khimulia, V. V., Shevtsov, N. I.

“…On rock samples taken from the Cenomanian horizon of the PK1 formation of the gas and gas condensate fields of the Arctic shelf of Russia, direct physical…”
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On the Atypical Strength Anisotropy of Weakly Cemented Sandstones by Klimov, D. M., Karev, V. I., Kovalenko, Yu. F., Ustinov, K. B.

“…— An atypical strength anisotropy manifesting itself in a monotone decrease in strength with decreasing angle between the maximum compressive stresses and the…”
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Strength and Fracture Toughness of Polyurethane Elastomers Modified with Carbon Nanotubes by Badamshina, E. R., Goldstein, R. V., Ustinov, K. B., Estrin, Ya. I.

“…Very small additions of single-wall carbon nanotubes produce an anomalous change in the mechanical properties of a cross-linked polyurethane-amide-urea…”
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Spherical Inclusion in an Elastic Matrix in the Presence of Eigenstrain, Taking Into Account the Influence of the Properties of the Interface, Considered as the Limit of a Layer of Finite Thickness by Gorodtsov, V. A., Lisovenko, D. S., Ustinov, K. B.

“…Previously, the authors proposed a model of surface elasticity, in which the internal boundary was considered as a thin structured layer endowed with its own…”
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Experimental Study of Rock Creep under True Triaxial Loading by Karev, V. I., Kilmov, D. M., Kovalenko, Yu. F., Ustinov, K. B.

“…The aim of this sutdy is to research the time dependence of deformations under complex stress conditions arising in the ground formation during the…”
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The Kaiser Effect under Multiaxial Nonproportional Compression of Sandstone by Panteleev, I. A., Mubassarova, V. A., Zaitsev, A. V., Karev, V. I., Kovalenko, Yu. F., Ustinov, K. B., Shevtsov, N. I.

“…The regularities of deformation and fracture of sandstone under nonproportional biaxial and triaxial cyclic compression accompanied by the rotation of the Lamé…”
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Seepage of a gas condensate mixture when using the geoloosening method by Karev, V.I., Ustinov, K.B.

“…The problem of the seepage of a two-phase multicomponent hydrocarbon mixture for evaluating the efficiency of the use of the geoloosening method in gas…”
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Erratum to: Experimental Study of Rock Creep under True Triaxial Loading by Karev, V. I., Klimov, D. M., Kovalenko, Yu. F., Ustinov, K. B.

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Fracture Model of Anisotropic Rocks under Complex Loading by Karev, V. I., Klimov, D. M., Kovalenko, Yu. F., Ustinov, K. B.

“…The paper proposes a deformation and fracture model for anisotropic stratified rocks and presents theoretical and experimental data on how the rock strength…”
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Fracture of sedimentary rocks under a complex triaxial stress state by Karev, V. I., Klimov, D. M., Kovalenko, Yu. F., Ustinov, K. B.

“…Most sedimentary rocks have layered structure, and their strength properties are therefore anisotropic; as a consequence, the rock strength depends on the…”
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Modeling Deformation and Failure of Anisotropic Rocks nearby a Horizontal Well by Karev, V. I., Kovalenko, Yu. F., Ustinov, K. B.

“…The article describes modeling mechanical behavior of rocks, including selection of models of inelastic deformation process in anisotropic rocks, experimental…”
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The effect of seepage on the stress–strain state of rock near a borehole by Zhuravlev, A.B., Karev, V.I., Kovalenko, Yu.F., Ustinov, K.B.

“…The effect of the strain-strength and seepage properties of rock and the compressibility of the percolating fluid on the dimensions of the rock fracture zones,…”
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On application of classical Eshelby approach to calculating effective elastic moduli of dispersed composites by Ustinov, K B, Goldstein, R V

“…The problem of finding effective elastic moduli of media with spheroid inclusions in case of small concentration of these inclusions is addressed. A number of…”
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