Determination of Radial Displacement Coefficient for Designing of Thread Joint of Thin-Walled Shells

Tutko, Tetiana; Dubei, О. Ya.; Ropyak, Lіubomyr; Vytvyts’kyi, V. I.

doi:10.1007/978-3-030-77719-7_16

Cited by 18 publications

(7 citation statements)

References 31 publications

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“…Despite the fact that threaded connections seem to be simple products, there is a lot of scientific work related to the problems that appear at different stages of their life cycle, in particular during the design, manufacture and operation [28][29][30][31][32]. Specifically for threaded connections of oil and gas equipment, such areas of research as analytical modeling [33][34][35], investigation of manufacturing errors [36][37][38] and corrosion fatigue [39][40][41] are important. Due to the prevalence of such products, we chose an educational PLMsystem for threaded connection for research.…”

Section: Methodsmentioning

confidence: 99%

Educational Multi-agent PLM System for Threaded Connections

Kopei¹,

Onysko²,

Barz³

et al. 2023

Preprint

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The PLM concept implies the use of heterogeneous information resources at different stages of the product life cycle, the joint work of which allows you to effectively solve the problems of product quality and various costs. According to the principle of isomorphism of regularities of complex systems, an effective PLM system must have these regularities. Unfortunately, this principle is not often fundamental when designing PLM systems. The purpose of the work is to show, using a simple example, the principles of development, operation and use of an educational multi-agent PLM system, the main purpose of which is to study and research these regularities in the life cycle of a special threaded connection. The multi-agent approach to the development of a PLM system provides the necessary prerequisites for the emergence of system-wide regularities in it. The parallel work of agents is implemented using the actor model and the Ray Python-package. Agents for the logical inference of knowledge base facts, CAD/FEA/CAM/SCADA agents, agents for optimization by various methods, and other agents have been developed. Open source software was used to develop the system. Each agent has relatively simple behavior, implemented by its rule function, and can interact with other agents. The system can work in interactive mode with the user or in automatic mode according to a simple algorithm: the rule functions of all agents are executed until at least one of them returns a value other than None. Examples of the operation of the system are given and such system-wide regularities as emergence, historicity and self-organization are demonstrated in it.

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Section: Methodsmentioning

confidence: 99%

Educational Multi-agent PLM System for Threaded Connections

Kopei¹,

Onysko²,

Barz³

et al. 2023

Preprint

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“…Для практичного використання такого рівняння у кожному конкретному випадку доводиться знаходити так звані коефіцієнти впливу радіальних переміщень для елементів нарізного з'єднання. Окремі результати досліджень, присвячених визначенню коефіцієнта радіального зміщення для проектування металевого з'єднання тонкостінних оболонок, прозвучали у доповіді [95]. Для інженерної практики необхідно розробити просту методику визначення таких коефіцієнтів.…”

Section: вступ і постановка задачі дослідженняunclassified

Untitled

2022

Metallofiz. Noveishie Tekhnol.

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“…Calculation of thin-walled layered shells under radial load str given in works [ 47 , 48 ], and axial loads in [ 49 , 50 ]. The influence of the direction of loading and the shape of the cross-section on the Young’s modulus of the samples was established [ 51 ], as well as the influence of applications and material properties [ 52 , 53 ].…”

Section: Introductionmentioning

confidence: 99%

Optical and Mechanical Properties of Layered Infrared Interference Filters

Bembenek

Маковійчук

Shatskyi

et al. 2022

Sensors

Self Cite

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The design and manufacturing technology of interference-absorbing short-wave filters based on a layered composition of Si–SiO on a sapphire substrate of various shapes was developed. A transition layer of SiO was applied to the surface of the substrate, alternating with layers of Si–SiO with an odd number of quarter-wave layers of materials with high (Si) and low refractive indices (SiO), and the application of an outer layer of SiO as an appropriate control of the materials’ thickness. The optical properties of the infrared light filter were studied. It was established that the created design of the light filter provides the minimum light transmission in the visible region of the spectrum from 0.38 to 0.78 µm and the maximum in the near infrared region from 1.25 to 5 µm and has stable optical indicators. A method for studying the stress–strain state and strength of a multilayer coating of a light filter under the action of a local arbitrarily oriented load was developed. For simplicity in the analysis and for obtaining results in the analytical form, the one-dimensional model of the configuration “multilayer covering—firm substrate” constructed earlier by authors was used. From a mechanical point of view, the upper protective layer of the multilayer coating was modeled by a flexible plate, and the inner operational composite N-layer was subjected to Winkler’s hypothesis about the proportionality of stresses and elastic displacements.

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Determination of Radial Displacement Coefficient for Designing of Thread Joint of Thin-Walled Shells

Cited by 18 publications

References 31 publications

Educational Multi-agent PLM System for Threaded Connections

Educational Multi-agent PLM System for Threaded Connections

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Optical and Mechanical Properties of Layered Infrared Interference Filters

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