İki Malzemeli Kompozit Bir Kirişin Serbest ve Zorlanmış Titreşimlerinin İncelenmesi

Year 2018, Volume: 21 Issue: 1, 65 - 73, 31.03.2018

Şeref Doğuşcan Akbaş

https://doi.org/10.2339/politeknik.386841

Cited By: 1

Abstract

Bu çalışmada, iki malzemeli kompozit basit mesnetli
bir kirişin serbest ve zorlanmış titreşimi dış basınç yükü etkisi altında
araştırılmıştır. Ele alınan kompozit kirişin çözümünde, düzlem parçalı sürekli
ortam modeli ve sonlu elemanlar yöntemi kullanılmıştır. Söz konusu problemin
yönetici denklemleri, Hamilton prensibi ile elde edilmiştir. İki malzemeli
kirşin boyutları, levha modeli olacak biçimde seçilerek düzlem gerilme problemi
uygulanmıştır. Ele alınan çalışmada, farklı malzeme sabit oranları ile dağılımlarının,
kirişin serbest ve zorlanmış titreşim cevaplarına olan etkileri
araştırılmıştır.

Keywords

İki malzemeli kompozit kiriş, sonlu elemanlar yöntemi, serbest titreşim, zorlanmış titreşim

Investigation on Free and Forced Vibration of a Bi-Material Composite Beam

Abstract

In this study, free and forced vibration of a bi-material composite beam
subjected to external pressure load is investigated. In the solution of the
composite  beam, plane piecewise solid
continua model and finite element method is used. The governing equations of
the problems are obtained by using the Hamilton procedure. With the dimensions
of the bi-material beam are assumed as plane model, the plane stress problem is
implemented. In the study, the effects of the different material constant
ratios and distributions on the free and forced vibration responses are
investigated.

Keywords

Bi-Material composite beam, finite element method, free vibration, forced vibration

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