✦ LIBER ✦

FINITE ELEMENT SIMULATION OF GUST LOADING

✍ Scribed by J. SHI; D. HITCHINGS

Publisher: John Wiley and Sons
Year: 1996
Tongue: English
Weight: 688 KB
Volume: 23
Category: Article
ISSN: 0271-2091
DOI: 10.1002/(sici)1097-0363(19961215)23:11<1197::aid-fld467>3.0.co;2-p

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✦ Synopsis

In the structural design of civil aircraft the critical loads are often those encountered in a gust or atmospheric turbulence. The traditional 'indicial' solution is restricted to a simple plate. In this paper a finite element formulation is proposed for an aerofoil or arbitrary shape entering a uniform sharp-edged or sinusoidal gust. The thin rotational gust front and wake in an irrotational flow field are successfully modelled by a novel superposition technique. The finite element solutions are compared with the Kussner function and results by other numerical methods. The agreement is good.

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