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Photo: Oleksandr Kh. Ostos

Staff profile

Oleksandr Kh. Ostos

Остос Олександр Хосейович

Position: Senior Researcher

Department: Department of Theory of Vibrations

Department page
Research profile

Research areas

  • Dynamic characteristics of an ideal compressible fluid excited by a spherical segment or a sphere in an infinite or semi-infinite cylindrical cavity.
  • Determination of hydrodynamic-parameter fields, including pressure and velocity, for different problem formulations.
Academic activity

Professional activity

His scientific work is related to wave dynamics of compressible fluids, hydrodynamic characteristics of bodies in cylindrical cavities, and problems of body-medium interaction.

Selected publications

Publications

Selected publications

  1. Кубенко В.Д., Янчевський І.В., Остос О.Х., П'ятецька О.В. Гармонічні коливання сферичного сегмента в заповненій ідеальною стисливою рідиною напівнескінченній циліндричній порожнині // Прикладна механіка. 2026. Т. 62, № 1. С. 45–56.
  2. Zhuk Y.A., Ostos O.K. Effect of Prestresses on Stationary Coupled Thermomechanical Behavior of Square Viscoelastic Plate // International Applied Mechanics. 2025. Vol. 61. P. 570–580. DOI: https://doi.org/10.1007/s10778-026-01376-7.
  3. Kubenko V., Yanchevskyi I., Ostos O. Dynamic characteristics of an ideal compressible fluid excited by a spherical segment in a cylindrical cavity // Bulletin of Taras Shevchenko National University of Kyiv. Physical and Mathematical Sciences. 2025. Vol. 80, No. 1. P. 64–70. DOI: https://doi.org/10.17721/1812-5409.2025/1.9.
  4. Yanchevskyi I.V., Liskin V.O., Ostos O.K. Determination of Radiation Force Acting on Spherical Body in Semi-Infinite Cylindrical Cavity Filled with Compressible Fluid // International Applied Mechanics. 2024. Vol. 60. P. 305–312. DOI: https://doi.org/10.1007/s10778-024-01283-9.
  5. Zhuk Y.O., Ostos O.K., Kurylko O.B. Effect of Prestresses on the Resonant Vibrations and Heating of a Cylindrical Viscoelastic Shell // International Applied Mechanics. 2023. Vol. 59. P. 394–409. DOI: https://doi.org/10.1007/s10778-023-01230-0.
  6. Zhuk Y.O., Ostos O.K., Karnaukhova T.V. Forced Vibrations and Nonstationary Heating of a Rectangular Viscoelastic Plate with Prestresses // International Applied Mechanics. 2022. Vol. 58. P. 423–435. DOI: https://doi.org/10.1007/s10778-022-01167-w.