Wszystkie pola: structural components - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Digital image correlation technique as a tool for kinematics assessment of structural components
Autorzy:: Brodecki, A.
Szymczak, T.
Kowalewski, Z.
Powiązania:: https://bibliotekanauki.pl/articles/970572.pdf
Data publikacji:: 2018
Wydawca:: Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
Tematy:: digital image correlation system
cyclic loading
PONTOS
motion
displacement
3D coordinate system
Opis:: The paper reports the results of tests carried out for kinematic properties determination of components under cyclic loading. DIC system called 5M PONTOS was employed to follow variations of displacement versus time. It was conducted by the use of markers stuck on selected sections of components tested. The results are presented in 2D and 3D coordinate systems expressing behaviour of such elements as: mechanical coupling device, boat frame and car engine. These data enabled to capture weak and strong sections of the component examined at various loading conditions.
Źródło:: Acta Mechanica et Automatica; 2018, 12, 2; 101-104
1898-4088
2300-5319
Pojawia się w:: Acta Mechanica et Automatica
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: A method for reliability assessment of structural components of aircraft and sea-going ships with taking into account a given failure generation model
Autorzy:: Tomaszek, H.
Zieja, M.
Ważny, M.
Powiązania:: https://bibliotekanauki.pl/articles/258768.pdf
Data publikacji:: 2016
Wydawca:: Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Tematy:: bearing capacity factor
displacement
compression
tension
depth factor
Opis:: This paper presents a metod for reliability assessment of structural components on the basis of diagnostic parameters recorded during operation of aircraft and sea going ships. It was assumed that a potential failure may simultaneously concerns surface wear process and fracture of an arbitrary structural component. In order to develop a reliability assessment model some elements of random walk theory were applied. This work covers surface wear density functions of a component. In the case of surface wear the model is based on a difference equation from which , after transformation, a Fokker-Planck partial differential equation was obtained. By solving the equation component’s surface wear density function is achieved. In the second part of the work a generalization of the model was made by introducing to it probability of disastrous fracture of a component. As a result, a generalized Fokkera-Planck’s equation was obtained. By making use of the equation, was obtained a relationship for assessment of reliability of a structural component in case when failure occurs due to surface wear with taking into account possible fracture of the component. In the end a numerical example which shows practical application of the developed method,is attached.
Źródło:: Polish Maritime Research; 2016, 2; 83-90
1233-2585
Pojawia się w:: Polish Maritime Research
Dostawca treści:: Biblioteka Nauki

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