Flutter speed limits of cantilever rectangular and tapered plates
Other Title(s)
حدود سرعة الرفرفة للصفائح المسلوبة و المستطيلة الناتئة
Author
Source
al-Khwarizmi Engineering Journal
Issue
Vol. 3, Issue 3 (31 Dec. 2007), pp.53-65, 13 p.
Publisher
University of Baghdad al-Khwarizmi College of Engineering
Publication Date
2007-12-31
Country of Publication
Iraq
No. of Pages
13
Main Subjects
Topics
Abstract AR
يمكن أن تسبب القوة الإيروديناميكية و المرنة تذبذبا للهيكل حيث تولد تردد عالي لأسطح المطيار إضافة إلى اللاستقرارية التي تحدث في الطائرة أثناء الطيران و التي يمكن أن تسبب انهيار بسرعة تسمى بسرعة الرفرفة.
في هذا البحث تم إيجاد حدود سرعة الرفرفة للصفائح المستطيلة و تم مقارنتها مع نتائج منشورة.
تم بحث عدة عناصر تصميمية مثل النسبة الباعية و السمك و تأثيراتها على سرعة الرفرفة.
وجد بأن النسق الهيكلي يلعب دورا مهما في إيجاد سرعة الرفرفة و التقارن بين نسق الانحناء و الالتواء السبب الرئيس في الرفرفة.
Abstract EN
The aerodynamic and elastic forces may cause an oscillation of the structure such as the high frequency of the airfoil surfaces and the dynamic instability occurring in an aircraft in flight and failure may occur at a speed called flutter speed.
In this work, analytical and numerical investigations of flutter limits of thin plates have been carried out.
The flutter speed of rectangular plates were obtained and compared with some published results.
Different design parameters were investigated such as aspect ratio, thickness and their effects on flutter velocity.
It was found that the structural mode shape plays an important role in the determination of the flutter speed and the coupling between the bending and torsional mode is the main cause of flutter.
American Psychological Association (APA)
Jabr, Qusayy Hatim. 2007. Flutter speed limits of cantilever rectangular and tapered plates. al-Khwarizmi Engineering Journal،Vol. 3, no. 3, pp.53-65.
https://search.emarefa.net/detail/BIM-340222
Modern Language Association (MLA)
Jabr, Qusayy Hatim. Flutter speed limits of cantilever rectangular and tapered plates. al-Khwarizmi Engineering Journal Vol. 3, no. 3 (2007), pp.53-65.
https://search.emarefa.net/detail/BIM-340222
American Medical Association (AMA)
Jabr, Qusayy Hatim. Flutter speed limits of cantilever rectangular and tapered plates. al-Khwarizmi Engineering Journal. 2007. Vol. 3, no. 3, pp.53-65.
https://search.emarefa.net/detail/BIM-340222
Data Type
Journal Articles
Language
English
Notes
Includes appendix : p. 64
Record ID
BIM-340222