Wave Propagation Characteristics in Functionally Graded Double-Beams
Fatih Karacam 1  
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Trakya University, Faculty of Engineering, Department of Mechanical Engineering, Turkey
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Fatih Karacam   

Trakya University, Faculty of Engineering, Department of Mechanical Engineering, 22030 Edirne, Turkey
Publication date: 2017-09-03
 
Adv. Sci. Technol. Res. J. 2017; 11(3):143–149
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ABSTRACT
The wave propagation characteristics of functionally graded (FG) double-beams are investigated by use of Euler-Bernoulli beam theory. Two beams are connected by a Winkler foundation. The wave propagation characteristics like frequency, phase and group velocities are obtained for different wave numbers and material properties. Four frequencies are obtained for functionally graded double-beam system. It is obtained that flexural and axial waves are coupled for FG double-beams.