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首页> 外文期刊>Journal of Physics, D. Applied Physics: A Europhysics Journal >Torsion of cracked nanorods using a nonlocal elasticity model
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Torsion of cracked nanorods using a nonlocal elasticity model

机译:使用非局部弹性模型的裂纹纳米棒的扭转

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This paper presents a nonlocal cracked-rod model from which we have analysed the torsional vibrations of a carbon nanotube with a circumferential crack. Several types of boundary conditions, including the consideration of a buckyball at the end of the nanotube, have been studied. The nonlocal Eringen elasticity theory is used to formulate the problem. The cracked rod is modelled by dividing the cracked element into two segments connected by a torsional linear spring whose stiffness is related to the crack severity. The effect of the nonlocal small-scale parameter, crack severity, cracked section position, different boundary conditions and attached mass are examined in this work.
机译:本文提出了一种非局部裂纹杆模型,从中我们分析了具有圆周裂纹的碳纳米管的扭转振动。已经研究了几种类型的边界条件,包括在纳米管末端考虑布基球的问题。使用非局部Eringen弹性理论来表达该问题。裂纹杆的建模方法是将裂纹元件分为两个部分,这些部分由扭转线性弹簧连接,其扭转刚度与裂纹的严重程度有关。在这项工作中,研究了非局部小尺度参数,裂纹严重性,裂纹截面位置,不同边界条件和附着质量的影响。

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