Search Results - "Rukavishnikov, V."
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Existence and Uniqueness of an Rν-Generalized Solution of the Dirichlet Problem for the Lamé System with a Corner Singularity
Published in Differential equations (01-06-2019)“…We consider the Dirichlet problem for the Lamé system in a two-dimensional domain whose boundary contains a reentrant corner. The notion of R v -generalized…”
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New Numerical Method for the Rotation form of the Oseen Problem with Corner Singularity
Published in Symmetry (Basel) (01-01-2019)“…In the paper, a new numerical approach for the rotation form of the Oseen system in a polygon Ω with an internal corner ω greater than 180 ∘ on its boundary is…”
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On the Existence and Uniqueness of an Rν-Generalized Solution to the Stokes Problem with Corner Singularity
Published in Mathematics (Basel) (01-05-2022)“…We consider the Stokes problem with the homogeneous Dirichlet boundary condition in a polygonal domain with one re-entrant corner on its boundary. We define an…”
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Expert Systems: Means of Information Support for Aircraft Crew Decision Making
Published in Russian aeronautics (01-04-2022)“…A place of flight expert systems in a general system of means of information support for decision making by an aircraft crew has been reviewed. The specifics…”
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Dry immersion induced acute low back pain and its relationship with trunk myofascial viscoelastic changes
Published in Frontiers in physiology (13-10-2022)“…Microgravity induces spinal elongation and Low Back Pain (LBP) but the pathophysiology is unknown. Changes in paraspinal muscle viscoelastic properties may…”
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On the Properties of Operators of the Stokes Problem with Corner Singularity in Nonsymmetric Variational Formulation
Published in Mathematics (Basel) (01-03-2022)“…The weighted finite element method makes it possible to find an approximate solution of a boundary value problem with corner singularity without loss of…”
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Sharp Changes in Muscle Tone in Humans Under Simulated Microgravity
Published in Frontiers in physiology (06-05-2021)“…A decrease in muscle tone induced by space flight requires a standardized assessment of changes to control the state of the neuromuscular system. This study is…”
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On the Error Estimation of the Finite Element Method for the Boundary Value Problems with Singularity in the Lebesgue Weighted Space
Published in Numerical functional analysis and optimization (02-12-2013)“…A boundary value problem is said to possess a strong singularity if its solution u does not belong to the Sobolev space or, in other words, the Dirichlet…”
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Dynamics of a fluid-filled curvilinear pipeline
Published in Applied mathematics and mechanics (01-06-2018)“…A mathematical model is presented, and numerical experiments are performed to describe the mechanics of the slow movement of a pipeline. The problem reduction…”
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The finite element method for a boundary value problem with strong singularity
Published in Journal of computational and applied mathematics (01-09-2010)“…The existence and uniqueness of the R ν -generalized solution for the third-boundary-value problem and the non-self-adjoint second-order elliptic equation with…”
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Serum Interleukin-6 in Schizophrenia: Associations with Clinical and Sociodemographic Characteristics
Published in Consortium psychiatricum (English ed. Online) (22-12-2023)“…Recently a significant part of schizophrenia studies have been focused on the role of cytokines, especially interleukin-6 (IL-6). Some authors have suggested a…”
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Interleukin-6 in schizophrenia is associated with negative symptoms, side effects of therapy and smoking: results of a pilot study
Published in Obozrenie psikhiatrii i medit︠s︡inskoĭ psikhologii imeni V.M. Bekhtereva (31-07-2022)“…Interleukin-6 (IL-6) is one of the most important pro-inflammatory markers with immunomodulatory activity associated with schizophrenia. The possible…”
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Sleep in 21-Day Dry Immersion. Are Cardiovascular Adjustments Rapid Eye Movement Sleep-Dependent?
Published in Frontiers in physiology (26-10-2021)“…Introduction: A decrease in sleep quality and duration during space missions has repeatedly been reported. However, the exact causes that underlie this effect…”
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Efficacy of Gradient Compression Garments in the Hours After Long-Duration Spaceflight
Published in Frontiers in physiology (17-07-2020)“…The incidence of presyncopal events is high soon after a long-duration spaceflight;>60% of returning astronauts could not complete a 10-min 80° head-up tilt…”
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BEHAVIORAL AND EMOTIONAL REACTIONS OF THE RUSSIAN POPULATION TO THE BEGINNING OF THE COVID-19 PANDEMIC: AN ON-LINE SURVEY RESULTS
Published in Psychiatria Danubina (01-01-2021)“…BACKGROUNDThe study aimed to identify the patterns of adaptive and behavioral strategies in different population groups, also to evaluate their association…”
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The association of obesity with eating disorders risk: online survey of a large cohort of Russian-speaking individuals seeking medical weight correction assistance
Published in Journal of eating disorders (14-08-2021)“…Background Eating Disorders pose a serious health risk to individuals. Often, eating disorder symptoms are overlooked when assessing obesity risk. The current…”
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Reproductive Function of Male Rats and Motor Activity of Their Offspring in Fire Emissions Modeling
Published in Bulletin of experimental biology and medicine (01-02-2022)“…We studied the reproductive function of albino male rats after long-term exposure to wildfire smoke and the species-specific behavior of their sexually mature…”
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Weighted finite element method for elasticity problem with a crack
Published in Computers & structures (15-01-2021)“…•Introduction of the novel definition of the Rν-generalized solution for suppressing of the singularity in the crack problem.•Weighted finite element method…”
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On the Existence and Uniqueness of Rv-Generalized Solution for Dirichlet Problem with Singularity on All Boundary
Published in Abstract and applied analysis (2014)“…The existence and uniqueness of the Rv-generalized solution for the first boundary value problem and a second order elliptic equation with coordinated and…”
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Determinants of Stress Levels and Behavioral Reactions in Individuals With Affective or Anxiety Disorders During the COVID-19 Pandemic in Russia
Published in Frontiers in sociology (05-07-2022)“…IntroductionIndividuals with affective and anxiety disorders are among those most vulnerable to the negative effects of the COVID-19 pandemic. AimThis study…”
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