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THREE DIMENSIONAL FINITE ELEMENT ANALYSIS OF COMPRESSION BEHAVIOR OF ORIENTAL BEECH

DOĞU KAYINI ODUNU BASMA DAVRANIŞININ ÜÇ BOYUTLU SONLU ELEMANLAR ANALIZI
Authors: YILMAZ AYDIN, Tuğba; AYDIN, Murat;

THREE DIMENSIONAL FINITE ELEMENT ANALYSIS OF COMPRESSION BEHAVIOR OF ORIENTAL BEECH

Abstract

Sonlu Elemanlar Metodu malzeme vesistemlerin dış etkenlere karşı davranışlarının analizinde kullanılan nümerikbir yöntemdir. Bu çalışmada doğu kayını (Fagusorientalis L.) odununun basma davranışının üç boyutlu sonlu elemanlaranalizi yapılmıştır. Simülasyonu gerçekleştirilen basma örnekleri 20x20x60mmölçülerde lif, radyal ve teğet yönlerde hazırlanmıştır. Deney örneklerihazırlanırken düzgün lifli, budaksız ve kusursuz olmasına dikkat edilmiştir.Deney önekleri 20 sıcaklık ve %65 bağıl nem seviyesinde kondisyonlanmıştır.Basma testleri universal test cihazında gerçekleştirilmiş ve bi-aksiyalekstensometre kullanılarak gerilme deformasyon eğrileri elde edilmiştir. Basmamodellerinin sonlu elemanlar analizi üç boyutlu ortotropik malzemeparametreleri kullanılarak gerçekleştirilmiştir. Sonlu elemanlar modellerindenelde edilen deformasyon miktarları ile yük deformasyon eğrileri elde edilmiş vebasma testlerinden elde edilen eğrilerle karşılaştırılmıştır. Oluşturulan üçboyutlu sonlu elemanlar modellerinin gerçek davranışa yakın değerler verdiğiortaya koyulmuştur

- Finite Element Method (FEM), is anumeric method which is used to analyze material or systems behavior toexternal factors. In this study, three dimensional (3D) finite element analyses(FEA) of oriental beech woods’ compression behavior was performed. Defect freecompression samples, which were simulated, were prepared 20*20*60mm of sizesthrough longitudinal (L), radial (R) and tangential (T) directions. All thesamples were conditioned at 20ºC and 65%RH using conditioning chamber.Compression tests (CT), were performed using Universal Test Machine (UTM) andstress and deformations curves were obtained by bi-axial extensometer. FEA ofcompression models were performed using 3D orthotropic material properties.Load deformation curves were obtained using deformation values of FE Models andthen these were matched against the curves obtained by CT. As a result, it isconcluded that created 3D FE Models showed real-like behavior values.

Country
Turkey
Keywords

Oriental beech;finite element analysis;compression, Doğu kayını;Sonlu Elemanlar Analizi (SEA);basma, Engineering, Oriental beech, Mühendislik, Doğu kayını, finite element analysis, Sonlu Elemanlar Analizi (SEA), compression, basma

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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