Elastik zemin üzerine oturan tabakalı kompozit silindirik kabukların zorlanmış titreşim analizi üzerine eğriliğin etkisi

Bu çalışmada, elastik zemin üzerine oturan basit mesnetli antisimetrik çapraz-katlı dizilimli tabakalı kompozit silindirik kalın kabukların (LCS), zorlanmış titreşim analizi üzerine eğrilik oranının etkisi sunulmaktadır. Bu analizlerde, zemin iki parametre ile modellendi. Bu modeller Pasternak ve Winkler modelleridir. Hamilton prensipleri ile elastik zemin üzerindeki tabakalı kompozit dikdörtgen kabukların hareket denklemleri elde edilmiştir. Analizler, Laplace alanında elde edilmiştir. Modifiye Durbin yöntemi ile çözümler Laplace alanından zaman alanına dönüştürülmüştür. Sayısal sonuçlar grafikler şeklinde sunulmuştur.

Anahtar Kelimeler:

Tabakalı kompozit, Zorlanmış titreşim, Eğrilik etkisi, Elastik zemin, Kayma deformasyon kabuk teorisi

The effect of curvature on transient analysis of laminated composite cylindrical shells on elastic foundation

This study presents the effect of curvature ratio on transient vibration analysis of simply supported antisymmetric thick cross-ply laminated composite shells (LCS) on elastic foundation. In the analysis, the foundation is modeled with two parameters. These models are Pasternak and Winkler models. The equation of motion for laminated rectangular shells resting on elastic foundation is obtained through Hamilton’s principle. The analysis is achieved in Laplace domain. By using modified Durbin’s algorithm, calculations are transformed from Laplace domain to the time domain. The numerical results are presented in the form of graphics.

Keywords:

Laminated composite, Transient vibration, Curvature effect, Elastic foundation, Shear deformation shell theory,

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