Wszystkie pola: structural components - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Application of two-parameter fatigue charactersitics in fatigue persistence calculations of structural components under conditions of a broad spectrum of loads
Autorzy:: Szala, G.
Powiązania:: https://bibliotekanauki.pl/articles/260285.pdf
Data publikacji:: 2016
Wydawca:: Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Tematy:: fatigue persistence
linear hypothesis of fatigue damage summation
fatigue tests
Opis:: The paper presents an original method of calculation of the fatigue persistence based on the adoption of the load spectrum in the form of a correlation table, two-parameter fatigue characteristics and the linear hypothesis of fatigue damage summation. The calculation results by the proposed method were compared with the results of fatigue tests programmed for node-seal construction. On the basis of a comparative analysis of the test results and calculations conclusions regarding the usefulness of the proposed method to evaluate the fatigue persistence of components have been reached.
Źródło:: Polish Maritime Research; 2016, 4; 138-145
1233-2585
Pojawia się w:: Polish Maritime Research
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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