Kazan state Federal University E-Archive :: Browsing by Author "Badriev I."

Analysis of stationary filtration problems with a multivalued law in the presence of several point sources

Badriev I.; Zadvornov O. (2008)

We suggest a generalized statement of stationary filtration problems for an incompressible fluid obeying a multivalued filtration law with limit gradient in an arbitrary bounded nonone-dimensional domain in the presence ...

Capacitive coupled RF discharge: Modelling at the local statement of the problem

Badriev I.; Chebakova V.; Zheltukhin V. (2017)

© Published under licence by IOP Publishing Ltd.In this paper a mathematical model of capacitively coupled RF discharge at atmospheric pressure is constructed, a method of numerical realization of the model is developed, ...

Consistent Equations of Nonlinear Multilayer Shells Theory in the Quadratic Approximation

Paimushin V.; Kholmogorov S.; Badriev I. (2019)

© 2019, Pleiades Publishing, Ltd. For the laminated shells on the basis of the Timoshenko model, taking into account the transversal compression used for each layer, two versions of two-dimensional equations describing ...

Contact interaction of the plate with supporting deformable bases under the conditions of bending

Badriev I.; Banderov V.; Gazizullin R.; Paimushin V. (2019)

© Published under licence by IOP Publishing Ltd. We consider a one-dimensional linear problem on the transverse bending of a plate, which is cantilevered in an absolutely rigid and fixed support through elastic and resting ...

Contact statement of mechanical problems of reinforced on a contour sandwich plates with transversally-soft core

Badriev I.; Makarov M.; Paimushin V. (2017)

© 2017, Allerton Press, Inc.For the sandwich plates and shells with transversally-soft core and carrier layers having on the outer contour of the reinforcing rod, for small deformations, and middle displacements we construct ...

Determination of stress-strain state of geometrically nonlinear sandwich plate

Badriev I.; Banderov V.; Makarov M.; Paimushin V. (2015)

© 2015 I. B. Badriev, V. V. Banderov, M. V. Makarov and V. N. Paimushin. By using the two-layer iterative method we obtain the basic characteristics of the equilibrium position of sandwich plate with a transversely soft ...

Differential Properties of the Operator of the Geometrically Nonlinear Problem of a Sandwich Plate Bending

Badriev I.; Bujanov V.; Makarov M. (2019)

© 2019, Pleiades Publishing, Ltd. The geometrically nonlinear bending problem of a sandwich plate with a transversally soft core in a one-dimensional formulation is considered. A generalized formulation of the problem in ...

Fast method for designing a well-matched symmetrical four-tooth-shaped microstrip antenna for Wi-Fi applications

Tumakov D.; Markina A.; Badriev I. (2019)

© Published under licence by IOP Publishing Ltd. The problem of fast designing of a well-matched symmetrical four-tooth-shaped microstrip antenna at frequency of 2.44 GHz is considered. To solve the problem, we use regression ...

Gâteaux and Fréchet derivatives of the operator of geometrically nonlinear bending problem of sandwich plate

Badriev I.; Bujanov V.; Makarov M.; Kalacheva N. (2019)

© Published under licence by IOP Publishing Ltd. The geometrically nonlinear problem of bending of sandwich plates with a transversally soft core in a one-dimensional statement is considered. Mathematically, the problem ...

Investigation of a geometrically and physically nonlinear three-point bending problem for a sandwich plate with transversally soft core

Paimushin V.; Badriev I.; Makarov M.; Kholmogorov S. (2019)

© 2019 IOP Publishing Ltd. The geometrically and physically nonlinear problem of the mechanics of deforming a sandwich plate with a transversally soft core under three-point bending is considered. It is shown that with ...

Investigation of the nonlinear problem of deforming sandwich plate with transversally soft core

Badriev I.; Banderov V.; Makarov M.; Pankratova O.; Smirnova E. (2019)

© Published under licence by IOP Publishing Ltd. The study of the problem of finding the stress-strain state of a sandwich plate with a transversally soft core under the action of a transverse load in a one-dimensional ...

Iterative methods for finding the boundaries of unrecovered viscoplastic oil in multilayer beds

Badriev I.; Zadvornov O. (2009)

We suggest a generalized statement of the problem of finding the boundaries of limit-equilibrium unrecovered viscoplastic oil in multilayer beds in the form of a mixed variational inequality. We analyze the solvability of ...

Iterative methods for solving seepage problems in multilayer beds in the presence of a point source

Badriev I.; Fanyuk B. (2012)

This work is devoted to solving steady-state seepage problems of an incompressible fluid that obeys a nonlinear multivalued filtration law with limit gradient in a multilayer bed in the presence of a point source. The ...

Iterative methods for solving variational inequalities of the theory of soft shells

Badriev I.; Banderov V. (2014)

© 2014, Pleiades Publishing, Ltd. The convergence of iterative methods for solving variational inequalities with monotone-type operators in Banach spaces is studied. Such inequalities arise in the description of deformation ...

Longitudinal and transverse bending by a cylindrical shape of the sandwich plate stiffened in the end sections by rigid bodies

Badriev I.; Makarov M.; Paimuhin V. (2016)

© Published under licence by IOP Publishing Ltd.We study the problems of deformation mechanics of sandwich constructions with taking into account the interaction with the contour reinforcing rods. To derive the basic ...

Mathematical modeling of a dynamic thin plate deformation in acoustoelasticity problems

Badriev I.; Paimuhin V. (2018)

© Published under licence by IOP Publishing Ltd. The coupled problem of planar acoustic wave propagation through a composite plate covered with a second damping layer with a large logarithmic decrement of oscillations is ...

Mathematical simulation of a steady process of anisotropic filtration

Badriev I.; Banderov V.; Pankratova O.; Shangaraeva A. (2016)

© Published under licence by IOP Publishing Ltd.This article discusses the methods of approximate solution of mixed variational inequalities with operators of monotone type. The functional, which is included in this ...

Mathematical Simulation of Nonlinear Problem of Three-point Composite Sample Bending Test

Badriev I.; Makarov M.; Paimushin V. (2016)

© 2016 The Authors.This study is devoted to numerical analysis of the geometrically and physically nonlinear problem of three-point bending test of laminated fiber-reinforced composite samples with rectangular cross-section. ...

Mathematical simulation of steady filtration with multivalued law

Badriev I.; Nechaeva L. (2013)

We consider a steady process of filtration of the incompressible high-viscosity fluid, following multivalued filtration law. Generalized statement of this problem is formulated in the form of mixed variational inequality ...

Mathematical simulation of the bending problem of the hinged sandwich plate in physically nonlinear statement

Badriev I.; Korablev A.; Makarov M.; Smirnova E. (2019)

© Published under licence by IOP Publishing Ltd. The work is devoted to numerical investigation of physically nonlinear problem of bending the hinged sandwich plate with transversal soft core. The generalized statement of ...

Browsing by Author "Badriev I."

Browsing by Author "Badriev I."

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