Analysis the state of stress in a stainless steel plate with stress concentrator in the form of circular hole

• Autorzy: Konieczny Mateusz , Achtelik Henryk , Gasik Grzegorz

Identyfikatory

DOI

10.15199/28.2019.6.4

Warianty tytułu

PL

Analiza stanu naprężenia w tarczy ze stali nierdzewnej z koncentratorem naprężeń w postaci otworu kołowego

• Języki publikacji: EN

Abstrakty

EN

The paper presents an analytical, numerical and experimental analysis of the state of stress in a plate with stress concentrator in the form of circular hole subjected to uniaxial tension. This type of the plate have found wide spread applications in the field of aerospace, marine and automobile engineering. The maximum difference in the values of reduced stresses calculated analytically in relation to the results obtained experimentally was δσa red = –19.74%. However, the maximum difference in the values of reduced stress calculated numerically using the finite element method (FEM) with the ANSYS program in relation to the results obtained experimentally δσn red = –31.86%, The study showed that the analytically calculated and numerically determined stresses are lower than the stresses obtained experimentally, which results in less operational safety of the structural element. However, the numerical method in the form of the finite element method becomes, in the case of a very complicated element shape, the only method for determining the magnitude and distribution of stresses near the notch in the designed element.

PL

Celem pracy jest analityczna, numeryczna oraz eksperymentalna analiza stanu naprężenia w tarczy z koncentratorem naprężeń w postaci otworu kołowego o średnicy d poddanej jednoosiowemu rozciąganiu siłą Pi i na tej podstawie zlokalizowanie stref spiętrzenia naprężeń.

Słowa kluczowe

EN

plate; stress concentrator; reduced stresses; analytical calculations; numerical calculations; experimental research

PL

tarcza; koncentrator naprężeń; naprężenia redukowane; obliczenia analityczne; obliczenia numeryczne; badania doświadczalne

• Wydawca: Wydawnictwo SIGMA-NOT
• Czasopismo: Inżynieria Materiałowa
• Rocznik: 2019
• Tom: Vol. 40, nr 6
• Strony: 146--153
• Opis fizyczny: Bibliogr. 25 poz., fig., tab.

Twórcy

autor

Konieczny Mateusz

• Opole University of Technology, Department of Mechanics and Machine Design, Opole

autor

Achtelik Henryk

• Opole University of Technology, Department of Mechanics and Machine Design, Opole

autor

Gasik Grzegorz

• Opole University of Technology, Department of Mechanics and Machine Design, Opole

Bibliografia

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Uwagi

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019).