Application of Newmark Average Acceleration and Ritz Methods on Dynamical Analysis of Composite Beams under a Moving Load
Publish Year: 1401
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_JACM-8-2_031
تاریخ نمایه سازی: 28 دی 1400
Abstract:
In this paper, dynamic results of carbon nanotube (CNT)-reinforced composite beams under a moving load are presented. The constitutive equations in motion are obtained by the Lagrange procedure according to Timoshenko beam theory and then solved by using the Ritz method. In the solution of the moving load problem, the Newmark average acceleration method is used in the time history. In the numerical results, the effects of CNTs’ volume fraction, patterns of CNTs, and the velocity of moving load on the dynamic responses of CNT-reinforced composite beam are investigated in detail. It is observed that the reinforcement patterns and volume fraction of CNTs are very effective on the behavior of the moving load. Also, it is found that X-Beam and O-Beam have the biggest and lowest rigidities in all models, respectively.
Keywords:
Reinforced composite beam , dynamical behavior , Lagrange procedure , Newmark Average Acceleration method , Ritz method
Authors
Seref Akbas
Department of Civil Engineering, Bursa Technical University, ۱۶۰۵۹, Bursa, Turkey
Hayri Numanoglu
Department of Civil Engineering, Giresun University, Giresun, ۲۸۲۰۰, Turkey
Bekir Akgöz
Department of Civil Engineering, Akdeniz University, Antalya, ۰۷۰۷۰, Turkey
Ömer Civalek
Department of Civil Engineering, Akdeniz University, Antalya, ۰۷۰۷۰, Turkey
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