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Andrii Oryniak
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Journal Articles

Targeted Model Error Determination for Limit Load Formulas for Axial Surface Defect in a Pressurized Pipe

Igor Orynyak, Vladyslav Marchenko, Roman Mazuryk, Andrii Oryniak
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
Article Type: Research-Article
J. Pressure Vessel Technol. February 2023, 145(1): 011503.
Paper No: PVT-22-1053
https://doi.org/10.1115/1.4055008
Published Online: August 18, 2022
View Article titled, Targeted Model Error Determination for Limit Load Formulas for Axial Surface Defect in a Pressurized Pipe
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Topics: Errors, Pipes, Weight (Mass)
Journal Articles

Application of Short and Long (Enhanced Vlasov's) Solutions for Cylindrical Shell on Example of Concentrated Radial Force

Andrii Oryniak, Igor Orynyak
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
Article Type: Technical Briefs
J. Pressure Vessel Technol. February 2021, 143(1): 014501.
Paper No: PVT-19-1069
https://doi.org/10.1115/1.4047828
Published Online: August 17, 2020
View Article titled, Application of Short and Long (Enhanced Vlasov's) Solutions for Cylindrical Shell on Example of Concentrated Radial Force
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Topics: Displacement, Finite element methods, Pipes, Differential equations, Shells
Proceedings Papers

Efficient Solution for Cylindrical Shell Based on Short and Long (Enhanced Vlasov’s) Solutions on Example of Concentrated Radial Force

Igor Orynyak, Andrii Oryniak
Proc. ASME. PVP2018, Volume 3A: Design and Analysis, V03AT03A033, July 15–20, 2018
Publisher: American Society of Mechanical Engineers
Paper No: PVP2018-85032
https://doi.org/10.1115/PVP2018-85032
View Paper titled, Efficient Solution for Cylindrical Shell Based on Short and Long (Enhanced Vlasov’s) Solutions on Example of Concentrated Radial Force
Open the PDF for Efficient Solution for Cylindrical Shell Based on Short and Long (Enhanced Vlasov’s) Solutions on Example of Concentrated Radial Force in another window
Topics: Pipes, Displacement, Shear (Mechanics), Boundary-value problems, Computer software, Computers, Differential equations, Equilibrium (Physics), Finite element analysis, Fourier series
Proceedings Papers

FEM Calculations of SIF and COA for Through Axial Cracks in Pipes in Geometrically Nonlinear Formulation

Andrii Oryniak, Igor Orynyak
Proc. ASME. PVP2018, Volume 3B: Design and Analysis, V03BT03A030, July 15–20, 2018
Publisher: American Society of Mechanical Engineers
Paper No: PVP2018-85033
https://doi.org/10.1115/PVP2018-85033
View Paper titled, FEM Calculations of SIF and COA for Through Axial Cracks in Pipes in Geometrically Nonlinear Formulation
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Topics: Finite element methods, Finite element model, Fracture (Materials), Pipes, Stress, Pressure, Computer simulation, Finite element analysis, Hoop stress, Leak-before-break
Proceedings Papers

Swelling of VVER-1000 Core Baffle: Numerical Modeling and Direct Measurement of its Geometrical Dimensions

Andrii Oryniak, Igor Orynyak
Proc. ASME. PVP2017, Volume 7: Operations, Applications and Components, V007T07A019, July 16–20, 2017
Publisher: American Society of Mechanical Engineers
Paper No: PVP2017-65769
https://doi.org/10.1115/PVP2017-65769
View Paper titled, Swelling of VVER-1000 Core Baffle: Numerical Modeling and Direct Measurement of its Geometrical Dimensions
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Topics: Computer simulation, Dimensions, Gages, Geometry, Nuclear power stations, Stress, Accounting, Boundary-value problems, Brittleness, Coolants
Journal Articles

The Accounting for Geometrical Nonlinearity for Thin-Walled Pressurized Elastic Pipe With Long Axial Surface Crack

Andrii Oryniak, Igor Orynyak
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
Article Type: Research-Article
J. Pressure Vessel Technol. April 2017, 139(2): 021210.
Paper No: PVT-16-1012
https://doi.org/10.1115/1.4033703
Published Online: January 11, 2017
View Article titled, The Accounting for Geometrical Nonlinearity for Thin-Walled Pressurized Elastic Pipe With Long Axial Surface Crack
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Topics: Finite element methods, Fracture (Materials), Pipes, Pressure, Stress, Surface cracks, Accounting, Bending (Stress)
Proceedings Papers

Oore-Burns Function of Form Application in Numerical Treatment of Mode I Flat Crack Problem in Infinite Body

Igor Orynyak, Anatolii Batura, Andrii Oryniak, Igor Lokhman
Proc. ASME. PVP2016, Volume 6A: Materials and Fabrication, V06AT06A003, July 17–21, 2016
Publisher: American Society of Mechanical Engineers
Paper No: PVP2016-63304
https://doi.org/10.1115/PVP2016-63304
View Paper titled, Oore-Burns Function of Form Application in Numerical Treatment of Mode I Flat Crack Problem in Infinite Body
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Topics: Fracture (Materials), Shapes, Polynomials, Numerical analysis, Approximation, Finite element methods, Finite element model, Modeling, Simulation, Theoretical methods
Proceedings Papers

Computational Aspect of Nonlinear Fracture Mechanics Application

Igor Orynyak, Andrii Oryniak
Proc. ASME. PVP2015, Volume 1A: Codes and Standards, V01AT01A008, July 19–23, 2015
Publisher: American Society of Mechanical Engineers
Paper No: PVP2015-45838
https://doi.org/10.1115/PVP2015-45838
View Paper titled, Computational Aspect of Nonlinear Fracture Mechanics Application
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Topics: Fracture mechanics, Fracture (Materials), Computer software, Stress, Thermal stresses, Accounting, Ambiguity, Computation, Finite element methods, Finite element model
Proceedings Papers

The Investigation of Significance of the Geometrical Nonlinearity for 1-D Crack Stress Intensity Factor Calculation in Slightly Distorted Thin-Walled Pressurized Pipe

Igor Orynyak, Andrii Oryniak
Proc. ASME. PVP2015, Volume 1B: Codes and Standards, V01BT01A005, July 19–23, 2015
Publisher: American Society of Mechanical Engineers
Paper No: PVP2015-45276
https://doi.org/10.1115/PVP2015-45276
View Paper titled, The Investigation of Significance of the Geometrical Nonlinearity for 1-D Crack Stress Intensity Factor Calculation in Slightly Distorted Thin-Walled Pressurized Pipe
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Topics: Fracture (Materials), Pipes, Stress, Pressure, Bending (Stress), Accounting, ASME Standards, Deformation, Dimensions, Finite element methods
Proceedings Papers

Semianalytical Method for the SIF Calculation for a Crack of Arbitrary Shape in Infinite Body

Anatolii Batura, Igor Orynyak, Andrii Oryniak
Proc. ASME. PVP2014, Volume 3: Design and Analysis, V003T03A044, July 20–24, 2014
Publisher: American Society of Mechanical Engineers
Paper No: PVP2014-28383
https://doi.org/10.1115/PVP2014-28383
View Paper titled, Semianalytical Method for the SIF Calculation for a Crack of Arbitrary Shape in Infinite Body
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Topics: Fracture (Materials), Shapes, Stress, Polynomials, Displacement, Integral equations
Proceedings Papers

The Brittle Strength Assessment of WWER-1000 Reactor Pressure Vessel Nozzle With Cladding

Andrii Oryniak, Sergii Radchenko, Igor Orynyak
Proc. ASME. PVP2013, Volume 3: Design and Analysis, V003T03A062, July 14–18, 2013
Publisher: American Society of Mechanical Engineers
Paper No: PVP2013-97561
https://doi.org/10.1115/PVP2013-97561
View Paper titled, The Brittle Strength Assessment of WWER-1000 Reactor Pressure Vessel Nozzle With Cladding
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Topics: Brittleness, Cladding systems (Building), Nozzles, Reactor vessels, Fracture (Materials), Stress, Temperature, Finite element methods, Finite element model, Fracture toughness