Boşta Hareket Doğrusalsızlığı Bulunan Göreve Uyumlu Kontrol Yüzeylerinin Çırpma Yönünden İncelenmesi

Date

2013-09-12

Author

Ünlüsoy, Levent
Yaman, Yavuz

Metadata

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Bu çalışmada kontrol yüzeyleri göreve uyumlu olarak şekil değiştirebilen bir kanadın, açık kesitli kontrol yüzeylerine ait bağlantılardan kaynaklı olarak ortaya çıkan boşta hareket davranışının (freeplay), kontrol yüzeyi ve kanadın çırpma özellikleri (flutter) üzerindeki etkileri incelenecektir. Çalışma kapsamında sonlu elemanlar yöntemi kullanılarak kanadın eş-direngenlik ve eş-ağırlık özellikleri hesaplanacak ve bu özellikler kullanılarak üç serbestlik dereceli bir çırpma modeli oluşturulacaktır. Model içerisinde yer alan aerodinamik yükler, Theodorsen tarafından geliştirilen durağan olmayan aerodinamik çözüm kullanılarak hesaplanacaktır. Öncelikle Fortran programlama dili kullanılarak geliştirilen bir çırpma çözücüsü kullanılarak, oluşturulan çırpma modelinin doğrusal çırpma sonuçları elde edilecektir. Bunu takiben modele boşta hareket doğrusalsızlığı eklenecek ve armonik dengeleme yöntemi (Harmonic Balance Method) temeliyle geliştirilen çözücü yardımıyla doğrusal almayan çırpma sonuçları hesaplanacaktır. Çalışmada doğrusal ve doğrusal olmayan çırpma sonuçları karşılaştırılarak boşta hareket doğrusalsızlığının göreve uyumlu kontrol yüzeylerinin ve onlara sahip kanatların çırpma hızları üzerindeki etkileri değerlendirilecektir.

Subject Keywords

Flutter, Nonlinear Structural Dynamics, Morphing Aircraft, Harmonic Balance Method

URI

https://hdl.handle.net/11511/71248
http://ae.metu.edu.tr/~yyaman/Publications/National/63.pdf

Conference Name

UMTS2013, 16. Ulusal Makina Teorisi Sempozyumu, 12 - 13 Eylül 2013

Collections

Department of Aerospace Engineering, Conference / Seminar

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Citation Formats

L. Ünlüsoy and Y. Yaman, “Boşta Hareket Doğrusalsızlığı Bulunan Göreve Uyumlu Kontrol Yüzeylerinin Çırpma Yönünden İncelenmesi,” presented at the UMTS2013, 16. Ulusal Makina Teorisi Sempozyumu, 12 - 13 Eylül 2013, Erzurum, Türkiye, 2013, Accessed: 00, 2021. [Online]. Available: https://hdl.handle.net/11511/71248.