A study of the effect of surface defect caused by impact load from shock wave on wing design in transonic speeds using classical plate theory

Dr.Fathi Alshamma

A study of the effect of surface defect caused by impact load from shock wave on wing design in transonic speeds using classical plate theory

Dr.Fathi Alshamma * §

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Baghdad University

A study of the effect of surface defect caused by impact load from shock wave on wing design in transonic speeds using classical plate theory

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Abstract

In this research the aerodynamic load have been determined in critical transonic speeds taking into consideration the shock wave effect along X-29 aircraft wing , first by using computational fluid dynamics in fluent program, then taking these results as an applied loads in the classical plate theory (c.p.t) to estimate these stresses depending on time and speeds of impact load as a major parameter, and a numerical method using F.E.M (Ansys 10 ) for confirming the results that obtained from analytical solution. Results shows that the value of pressure coefficient along the wing using (c.p.t) is higher then the experimental one which is more save in design for transonic flow and its appeared that the position of maximum effect of shock wave on wing section depends on angle of attack , sweep angle and duration time of the shock wave load .

References

10 Cites in Article

Reference Format

R Duvigneau (2007). Robust design of a transonic wing with un-certain Mach number.
Andrey Shevchenko,Ivan Nkavun,Alexender Pavlov,Valery Zapryogave ; 3,A Gareth,Grigorios Vio,E Dimitriadis,Ken Cooper,Mark Badcock,Abdul Woodgate,Rampurawalc (2007). Aero elastic system identification using transonic CFD data for a wing /store configuration.
Atef Alshabu,Herbert Olivier,Igor Klioutchnikov (2006). Investigation of upstream moving pressure waves on a supercritical airfoil.
Genta Ito,Imai,Nobuo Sejji Tsutsami,Kozo Amitani,Fujji (2008). Mach number effect on flow field over a delta wing in supersonic region.
Mylene Thiery,Eric Coustols (2006). Numerical prediction of shock induced oscillations over a 2D airfoil influence of turbulence modeling and test section wall.
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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

How to Cite This Article

Dr.Fathi Alshamma. 2011. "A study of the effect of surface defect caused by impact load from shock wave on wing design in transonic speeds using classical plate theory". Global Journal of Research in Engineering - A : Mechanical & Mechanics GJRE-A Volume 11 (GJRE Volume 11 Issue A7).

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GJRE Volume 11 Issue A7

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Journal Specifications

Crossref Journal DOI 10.17406/gjre

Print ISSN 0975-5861

e-ISSN 2249-4596

Keywords

ANSYS 10 classical plate theory fluent program impact shock wave

Classification

GJRE-A Classification FOR Code: 091399

Submission ReceivedOctober 23, 2011
Peer Review Double Blind
Handling Editor
Accepted November 22, 2011
Published December 3, 2011

Version of record

v1.2

Issue date

December 23, 2011

Language

English

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Article Matrices

Total Score: 107

Country: Nigeria

Subject: Global Journal of Research in Engineering

Authors: Dr.Fathi Alshamma, Assma Hassan (PhD/Dr. count: 1)

View Count (all-time): 374

Total Views (Real + Logic): 2307

Total Downloads (simulated): 178

Publish Date: 2011 12, Sat

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Total Views: 2.3K

Total Downloads: 178

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