Математика и физика. Mathematics & Physics. 2021 14 (6)

 

Ресурсы коллекции

  • Molecular-dynamic Investigation of Silicon Carbide Fracture Under External Mechanical Loads 

    Utkin, Andrey V.; Fomin, Vasily M.; Уткин, Андрей В.; Фомин, Василий М. (Сибирский федеральный университет. Siberian Federal University, 2021-11)
    In this study, molecular dynamic simulations of quasi-static compression of silicon carbide nanorod, were performed. A longitudinal through defect in the form of a cylindrical channel was in- troduced into the central ...

  • Fracture of Protective Structures from Heavy Reinforcing Cement During Interaction with High-velocity Impactor 

    Radchenko, Pavel A.; Batuev, Stanislav P.; Radchenko, Andrey V.; Радченко, Павел А.; Батуев, Станислав П.; Радченко, Андрей В. (Сибирский федеральный университет. Siberian Federal University, 2021-11)
    In this work, the fracture of a reinforced concrete barrier made of heavy reinforced ce- ment is numerically simulated during normal interaction with a high-velocity titanium projectile. The projectile has the initial ...

  • Explicit-Implicit Schemes for Calculating the Dynamics of Layered Media with Nonlinear Conditions at Contact Boundaries 

    Nikitin, Ilia S.; Golubev, Vasily I.; Никитин, Илья С.; Голубев, Василий И. (Сибирский федеральный университет. Siberian Federal University, 2021-11)
    In this paper we consider the problem of dynamic loading of a deformable solid medium con- taining slip planes with nonlinear slip conditions on them. An explicit-implicit scheme was constructed for the numerical solution ...

  • On the Parallel Kinematics of the FET Stretching Press in the Stretch Forming Operations in the Manufacture of Parts with Complex Spatial Geometry 

    Krivenok, Anton A.; Burenin, Anatoly A.; Кривенок, Антон А.; Буренин, Анатолий А. (Сибирский федеральный университет. Siberian Federal University, 2021-11)
    The kinematics of a stretching press mechanism of a parallel structure are investigated. The kinematic dependences aimed at setting the spatial position of the working elements of a cross-stretching press of FET type, ...

  • Simulation of a Group Impact on a Heterogeneous Target of Finite Thickness 

    Kraus, Alexander E.; Kraus, Evgeny I.; Shabalin, Ivan I.; Краус, Александр Е.; Краус, Евгений И.; Шабалин, Иван И. (Сибирский федеральный университет. Siberian Federal University, 2021-11)
    Numerical simulation of the processes of high-speed loading of homogeneous and heteroge- neous targets by single projectiles, as well as by a group of projectiles with the same parameters in mass and momentum, has been ...

  • Cyclic Behavior of Simple Models in Hypoplasticity and Plasticity with Nonlinear Kinematic Hardening 

    Kovtunenko, Victor A.; Bauer, Erich; Elias, Jan; Krejcı, Pavel; Monteiro, Giselle A.; Strakova (Sivakova), Lenka; Ковтуненко, Виктор А.; Бауер, Эрих; Элиаш, Ян; Крейчи, Павел; Монтейро, Жизель А.; Стракова (Сивакова), Ленка (Сибирский федеральный университет. Siberian Federal University, 2021-11)
    The paper gives insights into modeling and well-posedness analysis driven by cyclic behavior of particular rate-independent constitutive equations based on the framework of hypoplasticity and on the elastoplastic concept ...

  • Construction of Nonsingular Stress Fields for Non-Euclidean Model in Planar Deformations 

    Guzev, Mikhail A.; Riabokon, Evgenii P.; Гузев, Михаил А.; Рябоконь, Евгений П. (Сибирский федеральный университет. Siberian Federal University, 2021-11)
    A material with a microstructure is considered. A material is described on the basis of a non-Euclidean model of a continuous medium. In equilibrium, the total stress field is represented as the sum of elastic and ...

  • Modeling of Surface Fracture in Friction Interaction of Fiber Composites 

    Goryacheva, Irina G.; Meshcheryakova, Almira R.; Горячева, Ирина Г.; Мещерякова, Альмира Р. (Сибирский федеральный университет. Siberian Federal University, 2021-11)
    The model of the frictional interaction of a fiber composite material with a rigid non- wearing body is proposed, which makes it possible to study the effect of the mechanical and strength characteristics of the fiber ...

  • Thawing of Permafrost During the Operation of Wells of North-Mukerkamyl Oil and Gas Field 

    Filimonov, Mikhail Yu.; Vaganova, Nataliia A.; Филимонов, Михаил Ю.; Ваганова, Наталия А. (Сибирский федеральный университет. Siberian Federal University, 2021-11)
    Thawing of ice-saturated rocks due to climate change or various technological impacts will be accompanied by subsidence of the earth’s surface and development of dangerous permafrost geological processes called thermokarst, ...

  • Numerical Modelling of Compression Cure High-Filled Polimer Material 

    Chekhonin, Konstantin A.; Vlasenko, Victor D.; Чехонин, Константин А.; Власенко, Виктор Д. (Сибирский федеральный университет. Siberian Federal University, 2021-11)
    The article presents phenomenological constitutive relations for modeling the compression curing of a highly filled polymer medium, obtained in the framework of the mechanics of an almost incompressible viscoelastic solid ...

  • Simulation of Thermoplastic Powder Cold Spraying 

    Brusentseva, Tatyana A.; Shikalov, Vladislav S.; Lavruk, Sergei M.; Fomin, Vasily M.; Брусенцева, Татьяна А.; Шикалов, Владислав C.; Лаврук, Сергей М.; Фомин, Василий М. (Сибирский федеральный университет. Siberian Federal University, 2021-11)
    The work is devoted to the deposition of composite powder materials by cold spray method. As a spraying material, a thermoplastic compound «WAY» for marking the roadway was used. An asphalt concrete was used as a substrate. ...

  • Modelling and Simulation of Deformation and Failure of Reinforced Concrete Beams under Four-Point Bending 

    Belyaev, Vasily A.; Boltaev, Artem I.; Bryndin, Luka S.; Golushko, Sergey K.; Gorynin, Arsenii G.; Shapeev, Vasily P.; Беляев, Василий А.; Болтаев, Артем И.; Брындин, Лука С.; Голушко, Сергей К.; Горынин, Арсений Г.; Шапеев, Василий П. (Сибирский федеральный университет. Siberian Federal University, 2021-11)
    A new mathematical model for the four-point bending of reinforced concrete beams is developed and investigated. The model takes into account multi-modulus concrete behavior, nonlinear stress-strain relationships, and ...

  • Computer Modeling Deformation of Porous Elastoplastic Materials and Identification their Characteristics Using the Principle of Three-dimensional Similarity 

    Bazhenov, Valentin G.; Zhestkov, Maxim N.; Баженов, Валентин Г.; Жестков, Максим Н. (Сибирский федеральный университет. Siberian Federal University, 2021-11)
    It is proposed to numerically model large deformations of porous specimens, using the 3D- similarity principle in structural elements, which makes it possible to account for the inhomogeneity of the stress-strain state ...

  • Numerical Simulation of the Fused Deposition Modeling for the Manufacturing of Parts with both High Geometric Fidelity and Mechanical Quality 

    Altenbach, Holm; Janiga, G´abor; Beiner, Mario; Androsch, Rene; Runge, Paul-Maximilian; Альтенбах, Хольм; Янига, Габор; Байнер, Марио; Андрош, Рене; Рунге, Поль-Максимилиан (Сибирский федеральный университет. Siberian Federal University, 2021-11)
    With increasing usage of additive manufacturing methods for mechanical parts the need for precise and reliable simulations of the manufacturing process increases as well. In this paper various com- putations suited for ...