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Postgraduate students

PhD candidates by year of admission

This page presents postgraduate students, dissertation topics, research supervisors and expandable publication lists.

1st year

Admission 2025

Photo: Roman Hrysevych

Roman Hrysevych

Dissertation topic

Theoretical and experimental modelling of deformation of hand prosthesis elements under static, quasi-static and dynamic loading

Research supervisor

Volodymyr A. Maksymiuk, Doctor of Physical and Mathematical Sciences

Publications (0)

Publications may be added after the list is clarified.

1 material
Photo: Yurii Nazarchuk

Yurii Nazarchuk

Dissertation topic

Fracture of viscoelastic piecewise-inhomogeneous materials with cohesive interfaces: application to asphalt concrete

Research supervisor

Mykhailo F. Selivanov, Doctor of Physical and Mathematical Sciences, Corresponding Member of the NAS of Ukraine

Publications (1)
  1. Yu. Nazarchuk, M. Selivanov. Time-dependent propagation of a coin-shaped crack in viscoelastic solid within cohesive-zone framework. In: Book of Abstracts of the 7th International Conference “Fracture Mechanics of Materials and Structural Integrity”, Lviv, Ukraine, March 3–5, 2026, p. 71.
1 material
Photo: Oleksandr Proshchenko

Oleksandr Proshchenko

Dissertation topic

Plane fracture problems for materials compressed along parallel cracks with centres shifted in the compression direction

Research supervisor

Volodymyr M. Nazarenko, Academician of the NAS of Ukraine

Publications (2)
  1. Nazarenko V. M., Dekret V. A., Bystrov V. M., Proshchenko O. A. Local loss of stability in fiberglass under compression along a near-surface crack. In: Proceedings of the International Scientific Conference “Mathematical Problems of Technical Mechanics – 2025”, Dnipro, November 13–14, 2025, pp. 15–16.
  2. Bystrov V. M., Dekret V. A., Zelenskyi V. S., Proshchenko O. A. Local loss of stability under compression of a fibre-metal laminate with near-surface delamination. In: Proceedings of the International Scientific Conference “Mathematical Problems of Technical Mechanics – 2025”, Dnipro, November 13–14, 2025, pp. 45–46.
1 material
Photo: Oleksii Syniavskyi

Oleksii Syniavskyi

Dissertation topic

Compression of thin-film systems along the interface between a film and a substrate of finite thickness

Research supervisor

Volodymyr M. Nazarenko, Academician of the NAS of Ukraine

Publications (2)
  1. Syniavskyi O. Critical wrinkling parameters of a thin film on a finite substrate. International Conference of Students and Young Scientists in Theoretical and Experimental Physics “EUREKA-2026”. Abstracts, H16, 2026.
  2. Kipnis O., Syniavskyi O. Assessment of applicability of the semi-infinite substrate model for determining critical wrinkling parameters of a neo-Hookean bilayer. International Scientific Conference “Actual Problems of Mechanics and Mechanical Engineering – 2026”, pp. 172–173.
1 material

2nd year

Admission 2024

Photo: Roman Serafymovych

Roman Serafymovych

Dissertation topic

Physically nonlinear problems for a three-layer cylindrical shell with openings

Research supervisor

Yevhen A. Storozhuk, Doctor of Physical and Mathematical Sciences, Professor, Corresponding Member of the NAS of Ukraine

Publications (5)
  1. Storozhuk Ye. A., Serafymovych R. V. On modelling stress concentration around circular holes in three-layer cylindrical rocket elements. Proceedings of the 1st International Scientific and Technical Conference “Modern Problems of Mechanics in Special-Purpose Structures”, Dnipro, March 26–28, 2025, pp. 339–342.
  2. Storozhuk Ye. A., Serafymovych R. V. Beyond-elastic deformation of a three-layer cylindrical shell with a circular hole under axial forces. Abstracts of the XI International Scientific and Practical Conference “Actual Problems of Engineering Mechanics”, Odesa, May 21–23, 2025, pp. 182–184.
  3. Serafymovych R., Storozhuk Ye. On a methodology for studying stress concentration in an elastoplastic three-layer cylindrical shell with a circular hole. Young Scientists Conference “Pidstryhach Readings – 2025”, Lviv, May 27–29, 2025, pp. 41–42.
  4. Storozhuk Ye. A., Serafymovych R. V., Chernyshenko I. S. Beyond-elastic calculation of stress concentration in a three-layer cylindrical shell with a circular hole. Proceedings of the VIII International Scientific Conference “Modern Problems of Mechanics”, Kyiv, August 28–29, 2025, p. 62.
  5. Storozhuk Ye. A., Serafymovych R. V., Chernyshenko I. S. On calculating stress concentration around a circular hole in a three-layer cylindrical shell with allowance for plastic and transverse deformations. Proceedings of the IX International Scientific and Technical Conference “Computer Modelling and Optimization of Complex Systems CMOCS–2025”, Dnipro, November 5–7, 2025, p. 101.
3 materials
Photo: Vasyl Usov

Vasyl Usov

Dissertation topic

Numerical modelling of thermomechanical processes in layer-by-layer printing of bodies of revolution made of viscoplastic material

Research supervisor

Ihor K. Senchenkov, Doctor of Physical and Mathematical Sciences

Publications (2)
  1. Senchenkov I. K., Yurzhenko M. V., Chervinko O. P., Usov V. O. Calculation of residual stress-strain state during build-up of cylindrical bodies from viscoplastic materials. Welding and Related Technologies for the Recovery of Ukraine, Kyiv: Paton Publishing House, 2025, p. 100.
  2. Senchenkov I., Chervinko O., Usov V. Model of thermomechanical processes during block build-up of viscoplastic bodies. Abstracts of the International Scientific Conference “Actual Problems of Mechanics and Mechanical Engineering – 2026”, Kyiv, May 26–28, 2026, pp. 248–249.
2 materials
Photo: Yevhen Fil

Yevhen Fil

Dissertation topic

Numerical analysis of the stress-strain state of shallow orthotropic shells with non-rectangular planform

Research supervisor

Oleksandr Ya. Grygorenko, Doctor of Physical and Mathematical Sciences, Professor, Academician of the NAS of Ukraine

Publications (3)
  1. Fil Ye. V. Construction of a computational scheme for numerical analysis of an orthotropic shallow shell with non-rectangular planform based on a discrete-continuum approach. Young Scientists Conference “Pidstryhach Readings – 2025”, 2025.
  2. Grygorenko O. Ya., Fil Ye. V. Discrete-continuum approach to calculating the stress-strain state of orthotropic shells with non-rectangular planform. International Scientific and Technical Conference “Innovative Engineering and Construction for Post-War Recovery: Mechanics, Machines, Transport”, 2025, pp. 35–38.
  3. Grygorenko O. Ya., Fil Ye. V. Analysis of the influence of curvature on the stress-strain state of orthotropic shells with non-rectangular planform. XXVI International Scientific Conference “Mathematical Problems of Technical Mechanics – 2026”, 2026, pp. 18–19.
1 material

3rd year

Admission 2023

Photo: Yurii Horskyi

Yurii Horskyi

Dissertation topic

Generation of cross-shaped surface waves in water in a cylindrical container with vibrating walls under acoustic radiation

Research supervisor

Yaroslav O. Zhuk, Doctor of Physical and Mathematical Sciences, Corresponding Member of the NAS of Ukraine, Professor

Publications (4)
  1. Horskyi Yu. V., Krasnopolska T. S. Construction of mathematical models for the excitation of cross-shaped surface waves in water in glasses during acoustic radiation by the glasses. Bulletin of Taras Shevchenko National University of Kyiv, 2024, pp. 66–69.
  2. Horskyi Yu. V., Krasnopolska T. S., Zhuk Ya. O. Cross-shaped waves on the fluid surface in a partially filled cylindrical container. International Applied Mechanics, 2025, vol. 61, no. 6, pp. 40–55.
  3. Horskyi Yu. V., Krasnopolska T. S., van Heijst G. J. F., Filimonov V. Yu. Construction of mathematical models for exciting cross-shaped surface waves in water in “singing glasses” during acoustic radiation by glasses. VII International Scientific Conference “Modern Problems of Mechanics”, Kyiv, August 28–29, 2023, p. 3.
  4. Horskyi Yu. V. Experimental study of the generation of cross-shaped surface waves in water in a cylindrical container. International Scientific Conference “Mathematical Problems of Technical Mechanics”, April 2026, p. 59.
0 materials
Photo: Petro Kobzar

Petro Kobzar

Dissertation topic

Modelling stress distribution in a piezoelectric body near rigid flat inclusions and circular or elliptical cracks

Research supervisor

Vitalii S. Kyryliuk, Doctor of Physical and Mathematical Sciences

Publications (4)
  1. Kirilyuk V. S., Levchuk O. I., Kobzar P. Yu., Witer M. B. Mathematical Modeling of Displacement of Rigid Elliptic Disc in Piezoelectric Space. International Applied Mechanics, 2024, vol. 60, no. 6, pp. 37–44.
  2. Golub V. P., Plashchynska A. V., Kobzar P. Yu. Numerical Modeling of Fatigue Crack Propagation Kinetics in Thin Finite-Size Isotropic Plates. International Applied Mechanics, 2024, vol. 60, no. 6, pp. 67–76.
  3. Golub V. P., Kobzar P. Yu. Method for numerical identification of graphical experimental data. International Scientific Conference “Mechanics: Present and Prospects”, 2024, Proceedings, p. 257.
  4. Kobzar P. Yu., Kobzar A. Yu. Software for a method of converting graphical experimental data into tabular data. International Scientific Conference “Mathematical Problems of Technical Mechanics – 2024”, pp. 77–79.
0 materials
Photo: Oleksii Lesyk

Oleksii Lesyk

Dissertation topic

Plane fracture mechanics problems for materials with interacting cracks under forces directed along the cracks

Research supervisor

Viacheslav L. Bogdanov, Academician of the NAS of Ukraine, Doctor of Physical and Mathematical Sciences

Publications (4)
  1. Bogdanov V., Lesyk O. Stress-strain state of a prestressed half-plane with a near-surface mode-I crack. Dopovidi of the National Academy of Sciences of Ukraine, 2025, no. 2, pp. 24–41.
  2. Bogdanov V. L., Lesyk O. I. Plane fracture mechanics problem for a half-space with a near-surface mode-I crack under forces directed along the crack. International Applied Mechanics, 2025, vol. 61, no. 4, pp. 3–25.
  3. Lesyk O. I. Investigation of stress intensity factors in a prestressed half-plane with a near-surface mode-I crack for a material with a quadratic potential. Proceedings of the IX International Scientific and Technical Conference “Computer Modelling and Optimization of Complex Systems CMOCS–2025”, Dnipro, November 5–7, 2025, pp. 64–66.
  4. Bogdanov V. L., Lesyk O. I. Stress intensity factors in a prestressed half-plane with a near-surface mode-I crack. International Scientific Conference “Mechanics: Present and Prospects – 2024”, pp. 285–288.
0 materials
Photo: Anton Olkhovskyi

Anton Olkhovskyi

Dissertation topic

Mathematical modelling of the influence of local damage and operational loads on vibration stresses in last-stage blades of an NPP steam turbine

Research supervisor

Ihor K. Senchenkov, Doctor of Physical and Mathematical Sciences

Publications (11)
  1. Shulzhenko M. G., Olkhovskyi A. S., Derkach O. L. Vibrational Stresses in the Last-Stage Blades of a Powerful Steam Turbine Under Kinematic Excitation of Oscillations. Part 1. Investigation of Cyclic-Symmetric Systems. Strength of Materials, 2024, vol. 56, no. 1, pp. 11–19.
  2. Shulzhenko M. G., Olkhovskyi A. S., Derkach O. L. Vibrational Stresses in the Last-Stage Blades of a Powerful Steam Turbine Under Kinematic Excitation of Oscillations. Part 2. Investigation of System with Cyclic Symmetry Violations. Strength of Materials, 2024, vol. 56, no. 2, pp. 234–245.
  3. Shulzhenko M. G., Olkhovskyi A. S., Derkach O. L. The influence of kinematic excitation on the vibrational stress of the mistuned bladed disk of the last stage of a high-power steam turbine. Procedia Structural Integrity, 2024, vol. 59, pp. 337–343.
  4. Olkhovskyi A. S., Derkach O. L. Vibration-stressed state of last-stage blades of a powerful steam turbine under cyclic symmetry violation. Part 1. Static stress state and free vibrations with allowance for centrifugal forces. Strength of Materials, 2026, no. 1, pp. 14–29.
  5. Olkhovskyi A. S., Derkach O. L. Vibration-stressed state of last-stage blades of a powerful steam turbine under cyclic symmetry violation. Part 2. Dynamic stress state and residual life assessment. Strength of Materials, 2026, no. 2, pp. 20–32.
  6. Shulzhenko M. G., Olkhovskyi A. S., Derkach O. L. Analysis of the influence of blade-row frequency mistuning on the vibration stress of turbomachine rotors. XXVIII International Congress of Engine Builders: Abstracts. Kharkiv: National Aerospace University “KhAI”, 2023, pp. 33–34.
  7. Shulzhenko M. G., Olkhovskyi A. S., Derkach O. L. The effect of kinematic excitation on the blades vibration stress state of the last stage high-power steam turbine with blade mistuning. 2023 IEEE 4th KhPI Week on Advanced Technology (KhPIWeek), 2023, pp. 622–625.
  8. Luhovyi P. Z., Olkhovskyi A. S. Influence of erosion-corrosion damage of blades on their service time. Abstracts of the International Scientific Conference “Actual Problems of Mechanics – 2023”, Institute of Mechanics, p. 81.
  9. Shulzhenko M. G., Olkhovskyi A. S., Derkach O. L. Features of the stress-strain state of a disk-blade system with vibration frequency mistuning. International Scientific Conference “Actual Problems of Mechanics – 2023”, Institute of Mechanics, pp. 336–337.
  10. Derkach O., Ratynskyi A., Olkhovskyi A. Analysis of the effect of blade mistuning on the vibrational stress state of an aircraft GTE compressor disk. XVIII Vibration Engineering & Technology of Machinery Conference VETOMAC 2024, Institute of Fluid-Flow Machinery, Gdansk, Poland, September 16–18, 2024.
  11. Olkhovskyi A. S., Derkach O. L., Senchenkov I. K. Numerical study of the influence of local damage to steam-turbine blades caused by erosion wear on their stress-strain state. International Scientific Conference “Actual Problems of Mechanics and Mechanical Engineering – 2026”, Kyiv, 2026.
0 materials
Photo: Danylo Selivanov

Danylo Selivanov

Dissertation topic

Application of the cohesive-zone model to delayed fracture problems for bodies with mixed-mode cracks

Research supervisor

Viacheslav L. Bogdanov, Academician of the NAS of Ukraine, Doctor of Physical and Mathematical Sciences

Publications (6)
  1. Bogdanov V. L., Selivanov D. M. Study of the impact of crack resistance parameters on the critical load of a specimen with a mode I crack under three-point bending in the framework of the cohesive zone model. Dopovidi Natsionalnoi akademii nauk Ukrainy, 2024, no. 5, pp. 53–61 [in Ukrainian].
  2. Selivanov D. M. Numerical simulation of crack kinking with cohesive zone extensions. In: Book of Abstracts of the 4th International Workshop on Plasticity, Damage and Fracture of Engineering Materials, IWPDF 2025, Istanbul, Türkiye, September 24–26, 2025, p. 62.
  3. Bogdanov V., Selivanov D. Numerical simulation of crack kinking with cohesive-zone extensions. Procedia Structural Integrity, submitted.
  4. Bogdanov V., Selivanov D. Potential-based cohesive modeling of mixed-mode crack kinking. International Journal of Fracture, in press.
  5. Bogdanov V., Selivanov D. Incremental crack propagation under mixed-mode loading within a potential-based cohesive zone framework. In: Book of Abstracts of the 7th International Conference “Fracture Mechanics of Materials and Structural Integrity”, Lviv, Ukraine, March 3–5, 2026, p. 33.
  6. Bogdanov V. L., Selivanov D. M. Determination of the crack-propagation trajectory in a perforated plate within the cohesive zone model. In: Abstracts of the International Scientific Conference “Actual Problems of Mechanics and Mechanical Engineering – 2026”, Kyiv, Ukraine, May 26–28, 2026, pp. 261–262 [in Ukrainian].
0 materials