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作者:Mostafa Mohammadian , Mehdi Akbarzade
来源:[J].Archive of Applied Mechanics(IF 1.035), 2017, Vol.87 (8), pp.1317-1332
摘要:In the current paper, a powerful approximate analytical approach namely the global residue harmonic balance method (GRHBM) is proposed for obtaining higher-order approximate frequency and periodic solution of nonlinear conservative oscillatory systems arising in engineering ...
作者:Mostafa Mohammadian
来源:[J].International Journal of Applied and Computational Mathematics, 2017, Vol.3 (3), pp.2519-2532
摘要:In the current paper, an iterative approximate analytical approach, namely global residue harmonic balance method (GRHBM), is introduced for investigation a nonlinear conservative oscillatory system. The equation of motion for the considered system has been derived as a nonl...
作者:Mostafa Mohammadian , Mohammad Hossein Abolbashari , Seyed Mahmoud Hosseini
来源:[J].Applied Mathematical Modelling(IF 1.706), 2019, Vol.76, pp.26-49
摘要:Abstract(#br)This paper aims to propose an analytical solution for dynamic analysis of the hetero junction carbon nanotubes (HJCNTs)-based mass nanosensors using a nonlocal strain gradient Timoshenko beam model. To have a more precise nanosensor, it is necessary to have deep info...
作者:Mostafa Mohammadian , Seyed Mahmoud Hosseini , Mohammad Hossein Abolbashari
来源:[J].Physica E: Low-dimensional Systems and Nanostructures(IF 1.522), 2018
摘要:Abstract(#br)In the current paper, lateral vibrations of embedded hetero-junction carbon nanotubes (HJCNTs) are investigated. HJCNT and its surrounding medium are idealized as two different connected nonlocal strain gradient Rayleigh beams and a two-parameter (Pasternak) elastic ...
作者:Mostafa Mohammadian , Mohammad Hossein Abolbashari , Seyed Mahmoud Hosseini
来源:[J].Physica B: Physics of Condensed Matter(IF 1.327), 2019, Vol.553, pp.137-150
摘要:Abstract(#br)This paper aims to introduce a new nonlocal rod model for studying axial vibrations of hetero-junction CNTs (HJCNTs). The proposed model takes the connecting region of HJCNTs into account and is identically applicable to other carbon nanostructures such as uniform CN...
作者:Mostafa Mohammadian , Seyed Mahmoud Hosseini , Mohammad Hossein Abolbashari
来源:[J].Physica B: Physics of Condensed Matter(IF 1.327), 2017, Vol.524, pp.34-46
摘要:Abstract(#br)In this paper, the vibrational characteristics of hetero-junction carbon nanotubes (HJCNTs) are investigated using the well-known molecular mechanics approach. The paper contains two main novel parts. In the first part, the influence of connecting region location on ...
作者:Mostafa Mohammadian , Mohammad Hossein Abolbashari , Seyed Mahmoud Hosseini
来源:[J].Computational Materials Science(IF 1.878), 2016, Vol.122, pp.11-21
摘要:Abstract(#br)In the present study, the vibrational properties of straight and non-straight hetero-junction carbon nanotubes (HJCNTs) are investigated. The molecular mechanics technique in combination with the finite element method is applied to obtain the first four natural frequ...
作者:Mostafa Mohammadian , Mahmoud Shariati
来源:[J].Chinese Journal of Physics(IF 0.477), 2017, Vol.55 (1), pp.47-58
摘要:Abstract(#br)In the current research paper, a conservative system comprising of a mass grounded by linear and nonlinear springs in series connection is studied. The equation of motion for the aforementioned system has been derived as a nonlinear ordinary differential equatio...
作者:... Ahmadreza Zamani , Malihe Ranjbar , Mostafa Mohammadian
来源:[J].Journal of Community Health Research, 2013, Vol.2 (2), pp.138-146
摘要:Introduction: Exposure to flour dust is an important risk factor in occurrence of allergic airway disorders among mill workers. The purpose of this study was to determine the prevalence of respiratory symptoms and its relation with exposure to respirable dust. Materials and Metho...

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