Buckling of Shell Panels Made of Fiberglass and Reinforced with ‎an Orthogonal Grid of Stiffeners

Publish Year: 1400
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:

JR_JACM-7-3_050

تاریخ نمایه سازی: 12 مرداد 1400

Abstract:

The paper presents an approach to the stress-strain and buckling analysis in fiberglass cylindrical and conical panels reinforced from the concave side with an orthogonal grid of stiffeners. A mathematical model of the Timoshenko (Mindlin–Reissner) type is used. Transverse shears and geometric nonlinearity are taken into account. The stiffeners are introduced in two ways: using the method of refined discrete introduction and the method of structural anisotropy. We use a computational algorithm based on the Ritz method and the best parameter continuation method. We also provide buckling load values and make a comparison between two types of approaches to account for stiffeners, which shows good convergence.

Authors

Alexey Semenov

Department of Computer Science, Saint Petersburg State University of Architecture and Civil Engineering, ۴, ۲nd Krasnoarmeyskaya st.,‎ Saint-Petersburg, ۱۹۰۰۰۵, Russia

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