Detail publikačního výsledku

Prediction of Crack Growth in Integrally Stiffened Panels

AUGUSTIN, P.

Originální název

Prediction of Crack Growth in Integrally Stiffened Panels

Anglický název

Prediction of Crack Growth in Integrally Stiffened Panels

Druh

Článek recenzovaný mimo WoS a Scopus

Originální abstrakt

Application of new production methods such as High Speed Cutting (HSC), Laser Beam Welding or Friction Stir Welding in the aerospace industry leads to the reduction of manufacturing costs. Structures designed for these production techniques are typical by an integral character. A comparison of their behavior with differentially stiffened designs shows the lack of damage tolerance characteristics and that is why this topic is investigated. The paper presents methodology of crack growth analysis used at Institute of Aerospace Engineering (IAE) for assessment of integrally stiffened panels manufactured using HSC. The approach is based on stress intensities calculated from FE method results and crack propagation analysis performed in NASGRO. In the case of two-stringer integral HSC panel, a good correspondence with experimentally determined crack propagation curves was obtained.

Anglický abstrakt

Application of new production methods such as High Speed Cutting (HSC), Laser Beam Welding or Friction Stir Welding in the aerospace industry leads to the reduction of manufacturing costs. Structures designed for these production techniques are typical by an integral character. A comparison of their behavior with differentially stiffened designs shows the lack of damage tolerance characteristics and that is why this topic is investigated. The paper presents methodology of crack growth analysis used at Institute of Aerospace Engineering (IAE) for assessment of integrally stiffened panels manufactured using HSC. The approach is based on stress intensities calculated from FE method results and crack propagation analysis performed in NASGRO. In the case of two-stringer integral HSC panel, a good correspondence with experimentally determined crack propagation curves was obtained.

Klíčová slova

integrally stiffened panels, crack growth, damage tolerance, fatigue, fracture mechanic

Klíčová slova v angličtině

integrally stiffened panels, crack growth, damage tolerance, fatigue, fracture mechanic

Autoři

AUGUSTIN, P.

Vydáno

01.07.2007

ISSN

1211-877X

Periodikum

Letecký zpravodaj

Svazek

2007

Číslo

2

Stát

Česká republika

Strany od

5

Strany počet

3

BibTex

@article{BUT45326,
  author="Petr {Augustin}",
  title="Prediction of Crack Growth in Integrally Stiffened Panels",
  journal="Letecký zpravodaj",
  year="2007",
  volume="2007",
  number="2",
  pages="3",
  issn="1211-877X"
}