TEMAS PROBLEMLERİNDE SONLU ELEMANLAR YÖNTEMİNİN DOĞRULUĞUNUN İNCELENMESİ

Year 2018, , 511 - 519, 28.09.2018

Murat Yaylacı , Cemalettin Terzi

https://doi.org/10.21923/jesd.407121

Cited By: 3

Abstract

Bu
çalışmada, ANSYS ve ABAQUS yazılımları kullanılarak rijit bir panç ile bir
elastik yarım düzlem üzerine bağlanmış birbirine bağlı iki tabakanın simetrik
temas problemi dikkate alındı. Tabakalar farklı elastik sabit ve yüksekliklere
sahiptir. Dış yük üst elastik tabakaya rijit bir panç vasıtasıyla uygulandı. Bu
problem iki elastik tabaka arasında ve rijit panç arasındaki temasın
sürtünmesiz olduğu ve yerçekimi kuvvetinin etkisinin ihmal edildiği
varsayımıyla çözüldü. Sayısal uygulamalar sonlu eleman yöntemine dayanan ANSYS
ve ABAQUS yazılımları ile çözüldü. Temas uzunlukları ve temas gerilmeleri
farklı yük, malzeme ve geometri parametrelerine göre elde edildi ve sonuçlar
tablo ve grafikler halinde verildi. Bu sonuçlar literatürdeki (Adıbelli, 2010)
ilgili temas probleminin analitik sonuçlarıyla karşılaştırılarak doğrulandı. 

Keywords

Temas Mekaniği, Temas Mesafeleri, Temas Gerilmeleri, Sonlu Elemanlar Yöntemi.

INVESTIGATION OF THE ACCURACY OF FINITE ELEMENTS METHOD IN CONTACT PROBLEMS

Abstract

In this study, the
symmetrical contact problem of two bonded layers resting on an elastic half
plane with a rigid punch had been considered according to Finite Element Method
using ANSYS and ABAQUS software. These elastic layers have different elastic
constants and heights. The external load had been applied to the upper elastic
layer by means of a rigid stamp. This problem had been solved under the
assumptions that the contact between two elastic layers, and between the rigid
stamp are frictionless, the effect of gravity force had been neglected.
Numerical practices had been performed by ANSYS and ABAQUS software based on
FEM. The contact length and contact stress had been obtained according to different
parameters of load, material and geometry and results had been presented in
tables and graphics. These results had been confirmed by comparing the
analytical results of the related contact problem in the literature.

Keywords

Contact Mechanics, Contact Length, Contact Stress, Finite Element Method

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