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Calculations of Large Nonisothermal Deformations of Elastoviscoplastic Materials
AbstractA method is proposed and the results of calculations are discussed in the coupled problem of the theory of large deformations on the...
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High-Temperature Deformation of a Granulated Nickel Alloy
AbstractA variant of thermoviscoplasticity theory is proposed, by mathematical modeling of the viscoplastic behavior of a granulated nickel alloy...
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Modeling of Non-Isothermal Viscoelastic-Viscoplastic Deformation of Bending Reinforced Plates
AbstractA model of non-isothermal viscoelastic-viscoplastic deformation of multidirectionally reinforced flexible plates has been developed. The...
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Simulation of Dynamic Thermoelastoviscoplastic Deformation of Flexible Shallow Reinforced Shells
AbstractA mathematical model for the nonisothermal elastoviscoplastic strain in flexible shallow shells with multidirectional reinforcing structures...
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A Nonisothermal Mechanodiffusion Model of the Initial Stage of Particle Beam Penetration into a Target Surface
AbstractA coupled mathematical model of the initial stage of particle penetration into a metal surface in the nonisothermal approximation is...
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Modeling of Nonisothermic Viscoelastic–Plastic Behavior of Flexible Reinforced Plates
AbstractBased on a step-by-step procedure over time, a numerical-analytical model of the nonisothermal viscoelastic–plastic behavior...
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Thermoviscoplasticity Equations of Isotropic Material with Stress Mode Dependence
Thermoviscoplasticity equations, describing the inelastic deformation of isotropic material during simple processes and along trajectories of small...
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A Damaged Medium Model for Assessing Life Characteristics of Polycrystalline Structural Alloys with Joint Mechanical Fatigue and Long-Term Strength of Material
The processes of initial strength degradation properties of structural materials (metals and their alloys) under combined low-cycle fatigue and...
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Study of the Stability of a Free Nonisothermal Liquid Film in a Gravity Field
Problem of a free liquid film vertically bounded by solid walls and being under the influence of gravity and thermocapillary forces in a thin-layer...
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Prediction of Crystallographic Texture Formation in Polycrystalline Samples under Severe Plastic Deformation Based on a Two-Level Statistical Elasto-Viscoplastic Model
AbstractA multilevel mathematical model is proposed for studying the technological processing of metals and alloys by severe plastic...
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Coupled thermo-mechanical analysis of stress–strain response and limit states of structural materials taking into account the cyclic properties of steel and stress concentration
Two groups of governing equations have been obtained due to the extensive theoretical and experimental studies in the field of mechanics of...
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Correlation Wave Effects for Elementary Deformation Events during High-Temperature Loading of Aluminum and Its Alloys
AbstractWe report on the results of experiments on straining of aluminum and its alloys in conditions of mechanical loading and high temperatures. It...
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Structure, Mechanical Properties, and Oxidation Resistance of Mo–Hf–La–Si–B Coatings
AbstractComprehensive studies of nanocomposite coatings in the Mo–Hf–La–Si–B system with different lanthanum content have been carried out. Coatings...
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Thermoviscous fluid flow in nonisothermal layer: structures, scales, and correlations
The paper studies turbulent mixing in thermoviscous fluid flow in a 3D cubic domain which is extended periodically in two directions ( X and Y ). The...
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Transport Characteristics of a Hierarchical Near-Surface Layer of the Nucleus of Comet 67P/Churyumov–Gerasimenko
Abstract —In this paper, we develop previous studies that considered a free molecular gas flow through a dust porous mantle of a cometary nucleus....
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FE-Analysis of Deformation and Failure of Structural Elements under Quasistatic Multifactor Effects
Description of the numerical modeling technique within the framework of the damaged medium mechanics approaches to the processes of deformation and...
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On the Calorific Value of a Rectilinear Elastoviscoplastic Flow, Taking into Account the Production of Heat Due to the Friction of a Material Against its Boundary Rough Surface
Abstract —Calculations are given of the distribution of strains, stresses, and temperature during the deformation of an elastoviscoplastic material...
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SIMULATION MODELING OF THERMOMECHANICAL BEHAVIOR OF POLYMER BINDERS IN MANUFACTURING COMPOSITE HULL STRUCTURE ELEMENTS
AbstractA simulation mathematical model is presented that describes binder vitrification and devitrification. Theoretical estimates of the effective...
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Regularities of Changing the Limiting Values of Stress and Strain Invariants in Microinhomogeneous Media
AbstractBy using nonlinear equations of constraints between macro- and micro-states, the regularities of changes in the limiting values of stress and...
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Simple Models for Polymeric and Anisotropic Liquids
We hope that the complexity of the world is neither in contrast with the simplicity of the basic laws of physics [1] nor with the simple physical...