Математика и физика. Mathematics & Physics. 2024 17 (1)

 

Ресурсы коллекции

  • Specific Damping Capacity of Layered Structures with a Layer of Dissipative Metamaterial under Quasi-Static and Dynamic Impacts 

    Skripnyak, Vladimir A.; Chirkov, Maxim O.; Skripnyak, Vladimir V.; Скрипняк, Владимир А.; Чирков, Максим O.; Скрипняк, Владимир В. (Siberian Federal University. Сибирский федеральный университет, 2024-02)

  • Modelling of Residual Stresses and Distortions of the Wall on a Substrate Built by Wire-Arc Surfacing 

    Dudin, Dmitriy S.; Keller, Ilya E.; Permyakov, Gleb L.; Trushnikov, Dmitriy N.; Дудин, Дмитрий С.; Келлер, Илья Э.; Пермяков, Глеб Л.; Трушников, Дмитрий Н. (Siberian Federal University. Сибирский федеральный университет, 2024-02)
    To study the arising of technological distortions and residual stresses in structures created by wire-arc surfacing, it is proposed to consider a wall consisting of ten layers deposited on a substrate. A wall is deposited ...

  • Comparison of the Response of a Homogeneous Medium to the Dynamic Impact of Single and Segmented Rods 

    Kraus, Alexander E.; Shabalin, Ivan I.; Buzyurkin, Andrey E.; Kraus, Evgeny I.; Краус, Александр Е.; Шабалин, Иван И.; Бузюркин, Андрей Е.; Краус, Евгений И. (Siberian Federal University. Сибирский федеральный университет, 2024-02)
    A series of calculations of the interaction of single and segmented rods with massive blocks and plates of finite thickness have been performed. Comparisons with experimental data for verification of material parameters ...

  • Mathematical Modeling of Three-dimensional Stress-strain State of Homogeneous and Composite Cylindrical Axisymmetric Shells 

    Gorynin, Arseniy G.; Gorynin, Gleb L.; Golushko, Sergey K.; Горынин, Арсений Г.; Горынин, Глеб Л.; Голушко, Сергей К. (Siberian Federal University. Сибирский федеральный университет, 2024-02)
    The study is devoted to the application of the asymptotic splitting method for solving static problems of deformation of homogeneous isotropic and composite cylindrical shells. The problem of deformation of a composite ...

  • Numerical Schemes of Higher Approximation Orders for Dynamic Problems of Elastoviscoplastic Media 

    Golubev, Vasily I.; Nikitin, Ilia S.; Xin Mi; Голубев, Василий И.; Никитин, Илья С.; Синь Ми (Siberian Federal University. Сибирский федеральный университет, 2024-02)
    For a stable numerical solution of the constitutive system of an elastoviscoplastic model of a continuous medium with the von Mises yield condition and hardening, an explicit-implicit second-order scheme was proposed. ...

  • Current State and Development of the Theory of Curing High-Energy Composite Polymer Materials 

    Chekhonin, Konstantin A.; Чехонин, Константин А. (Siberian Federal University. Сибирский федеральный университет, 2024-02)
    Within the framework of a two-component medium, based on a phenomenological approach, a system of governing equations has been developed that describes the thermomechanical behavior of an elastomer highly filled with ...

  • Study of New Composite Materials Based on Epoxy Resin with Photoluminescence Effect 

    Brusentseva, Tatyana A.; Lukin, Stanislav E.; Брусенцева, Татьяна А.; Лукин, Станислав Э. (Siberian Federal University. Сибирский федеральный университет, 2024-02)
    Strontium aluminate doped with europium with various particle sizes was added to epoxy resins ED-20 and Crystal 85-5 in a mass concentration of 0% to 17%. Mechanical tests for three-point bending and instrumental indentation ...

  • A Note on Two General Reduction Formulas for the Srivastava-Daoust Double Hypergeometric Functions 

    Musharraf Ali; Harsh Vardhan Harsh; Arjun K. Rathie; Мушарраф Али; Харш Вардхан Харш; Арджун К. Рэти (Siberian Federal University. Сибирский федеральный университет, 2024-02)
    The aim of this note is to provide two new and general reduction formulas for the Srivastava- Doust double hypergeometric functions. A few interesting special cases have also been given

  • Influence of Nanomodifying Additives and Strengthening Phase on the Structure and Properties of Laser Coating of Porous Titanium 

    Skorokhod, Ksenia A.; Cherepanov, Anatoly N.; Malikov, Aleksander G.; Krasnov, Danila A.; Скороход, К.А.; Черепанов, А.Н.; Маликов, А.Г.; Краснов, Д.А. (Siberian Federal University. Сибирский федеральный университет, 2024-02)
    The results of an experimental study of the influence of nanomodifying additives on the structure and mechanical properties of coatings during laser surfacing of a composite powder with a strengthening phase on porous ...

  • Reduction of the Cosserat-type Nonlinear Equations to the System of Godunov’s Form 

    Sadovskii, Vladimir M.; Садовский, Владимир М. (Siberian Federal University. Сибирский федеральный университет, 2024-02)
    The complete system of equations for the dynamics of a Cosserat-type continuum with couple stresses under finite strains and particle rotations in Lagrangian variables is reduced to a compatible system of conservation ...

  • Chebyshev Polynomials with Zeros outside the Open Arc Segment 

    Rybakova, Natalia N.; Рыбакова, Наталья Н. (Siberian Federal University. Сибирский федеральный университет, 2024-02)
    The problem of unitary polynomials of degree n with real coefficients least deviating from zero on an arbitrary fixed arc of a circle with a zero set outside an open segment of the same arc is considered. The description ...

  • Computer-aided Design of Polymer-based Composites Using Multi-scale Models 

    Panin, Sergey V.; Lyukshin, Boris A.; Grishaeva, Nataliya Y.; Bochkareva, Svetlana A.; Panov, Iliya L.; Панин, Сергей В.; Люкшин, Борис А.; Гришаева, Наталья Ю.; Бочкарева, Светлана А.; Панов, Илья Л. (Siberian Federal University. Сибирский федеральный университет, 2024-02)
    The study is devoted to computer-aided design of particulate polytetrafluoroethylene-based composites for increasing their thermal conductivity values (as much as possible) with minimal deteriora- tion of the mechanical ...

  • Three-dimensional Simulation of Heat and Moisture Transfer in the Human Bronchial Tree 

    Medvedev, Alexey E.; Golysheva, Polina S.; Медведев, Алексей Е.; Голышева, Полина С. (Siberian Federal University. Сибирский федеральный университет, 2024-02)
    A mathematical model of heat and mass transfer in human airways has been developed. Three–dimensional calculations of the distribution of heat and humidity of inhaled air in the human bronchial tree have been performed. ...

  • Microstructural and Phase Transformations in Aluminium-Lithium Alloys after Laser Welding 

    Malikov, Aleksander G.; Vitoshki, Igor E.; Karpov, Evgeny V.; Kuper, Konstantin E.; Mironova, Mariya I.; Zavialov, Alexey P.; Маликов, А.Г.; Витошкин, И.Е.; Купер, К.Э.; Карпов, Е.В.; Миронова, М.И.; Завьялов, А.П. (Siberian Federal University. Сибирский федеральный университет, 2024-02)
    The article shows the results of research on microstructural and phase transformation in aluminium-lithium alloys caused by laser welding followed by heat processing based on quenching and artificial aging. The microstructure ...