Contents

Computational Mathematics and Mathematical Physics

Vol. 66, No. 6, 2026

PARTIAL DIFFERENTIAL EQUATIONS

Quasiperiodic Oscillations and Low-Frequency Chaos in a Degenerate Duffing Oscillator

I. V. Azarova and S. V. Kuznetsov p. 967  abstract

PARTIAL DIFFERENTIAL EQUATIONS

Natural Frequencies and Modes of Longitudinal and Torsional Vibrations of Thin Inhomogeneous Rods with Variable Cross Sections

D. D. Zakharov and I. S. Nikitin p. 977  abstract

PARTIAL DIFFERENTIAL EQUATIONS

Longitudinal-Transverse Resonance in Fundamental Modes of Lamb Waves

S. V. Kuznetsov p. 990  abstract

MATHEMATICAL PHYSICS

Modeling of Icebreaker Movement in an Ice Field Using the Discontinuous Galerkin Method

A. S. Frolov and I. B. Petrov p. 997  abstract

MATHEMATICAL PHYSICS

Numerical Schemes for Problems in the Dynamics of Elastoviscoplastic Media with an Arbitrary Hardening-Softening Function

I. S. Nikitin, V. I. Golubev, and A. V. Shevchenko p. 1005  abstract

MATHEMATICAL PHYSICS

Mathematical Modeling of Hysteresis Manifestation in Supersonic Flow around a Two-Body System Consisting of a Descent Vehicle and a Parachute

A. V. Babakov p. 1018  abstract

Modeling Direct and Inverse Problem for Multilayer Composite Plate under Vibration Load

S. Lavrenkov, D. Kravchenko, O. Grishanov, K. Beklemysheva, and A. Vasyukov p. 1027  abstract

Numerical Method for Solving Linear Viscoelasticity Equations

D. A. Prikazchikov and I. B. Petrov p. 1043  abstract

Numerical Modeling of Fracture Waves in a Blocky Medium

V. M. Sadovskii and O. V. Sadovskaya p. 1056  abstract

MATHEMATICAL PHYSICS

Joint Solution of Elastic and Acoustic Wave Equations Using the Grid-Characteristic Method on Chimera Meshes

A. V. Favorskaya, N. I. Khokhlov, and A. A. Kozhemyachenko p. 1070  abstract

MATHEMATICAL PHYSICS

Numerical Modeling of Contact Instability between Colliding Metal Plates Based on the Baer–Nunziato Model

S. V. Fortova, P. A. Chuprov, and A. E. Vasil’ev p. 1082  abstract

Finite Element Hydrodynamics Modeling of Laser-Induced Shock Waves in Aluminum

A. V. Bulanov, E. I. Oparina, and S. V. Fortova p. 1096  abstract

Numerical Investigation of Turbulent Flow of a Polymer Solution at Low Reynolds Numbers

M. A. Guzev, V. V. Denisenko, A. D. Ermakov, and S. V. Fortova p. 1106  abstract

Grid-Characteristic Method on Hierarchical Meshes for Simulating Elastic Waves in Fractured Media

I. N. Agrelov and N. I. Khokhlov p. 1119  abstract

Application of Multiblock and Chimera Grids for Numerical Solution of Wave Disturbance Propagation Problems in Complex Spatial Structures in Arctic Conditions

N. A. Volkov, N. I. Khokhlov, and I. B. Petrov p. 1129  abstract

Propagation of Love Waves in a Half Space Coated by a Functionally Graded Layer with Parameters Exponentially Dependent on Depth

D. D. Zakharov, I. S. Nikitin, and V. I. Golubev p. 1140  abstract

INFORMATION SCIENCE

An Application of One-Dimensional CNNs to Refine Incompletely Converged Aerodynamic Simulations on Unstructured Meshes Using Space-Filling Curves

M. N. Petrov and S. V. Zimina p. 1154  abstract

Erratum

Erratum to: A Study on the (2+1)-Dimensional Integro-Differential Jaulent-Miodek Equation

T. Tanriverdi, A. A. Mahmud, K. A. Muhamad, H. M. Baskonus, and H. Menken p. 1171  abstract