Detail publikace

Fatigue and Crack Propagation Calculations of Wing Spar Structure

AUGUSTIN, P.

Originální název

Fatigue and Crack Propagation Calculations of Wing Spar Structure

Typ

článek v časopise - ostatní, Jost

Jazyk

angličtina

Originální abstrakt

The main goal of this paper is to summarize present experiences obtained with MSC.Fatigue software. This FEM based package is intended for solution of a wide range of fatigue tasks and is made up of several analysis modules. Two of them will be described in more detail here. Calculations of the safe life of a wing spar using FEFAT module are presented. Comparison with results obtained by means of in-house developed program MINER is also done. The second task deals with the crack propagation analysis using PCRACK module that is an essential part of the damage tolerance evaluation. As a tool for verification of calculated crack propagation curves the widespread fracture mechanics software NASGRO was chosen. Investigated structure is represented by the wing spar specimen previously tested in the laboratory of Institute of Aerospace Engineering. Load history expected in calculations is identical with a load sequence applied during the flight-simulation fatigue test that was done using flight-by-flight methodology with random application of loads.

Klíčová slova

MSC.Fatigue

Autoři

AUGUSTIN, P.

Rok RIV

2004

Vydáno

1. 1. 2004

ISSN

1211-877X

Periodikum

Letecký zpravodaj

Ročník

2004

Číslo

3

Stát

Česká republika

Strany od

12

Strany do

15

Strany počet

4

BibTex

@article{BUT42411,
  author="Petr {Augustin}",
  title="Fatigue and Crack Propagation Calculations of Wing Spar Structure",
  journal="Letecký zpravodaj",
  year="2004",
  volume="2004",
  number="3",
  pages="4",
  issn="1211-877X"
}