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首页> 外文期刊>Journal of Machinery Manufacture and Reliability >On the Stability of a Rod under Deterministic and Stochastic Loading with Allowance for Nonlocal Elasticity and Nonlocal Material Damping
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On the Stability of a Rod under Deterministic and Stochastic Loading with Allowance for Nonlocal Elasticity and Nonlocal Material Damping

机译:关于杆在确定性和随机载荷下的稳定性,考虑非局部弹性和非局部材料阻尼

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摘要

The stability of rods, whose material is characterized by nonlocal elasticity and nonlocal damping typical of composite and nanomaterials, has been studied using the example of a rod with hinged ends. This rod is affected by deterministic or random stationary longitudinal force. In the case of deterministic force stability is understood in the Lyapunov sense, while in the stochastic case stability is almost certain. In both cases the maximum Lyapunov exponent is used for investigating stability stability investugation. The effect of nonlocality parameter values on the maximum Lyapunov indexes exponent has been studied under the action of constant, periodic, and random longitudinal forces on the rod.
机译:以具有铰链端部的杆为例,研究了杆的稳定性,杆的材料具有复合材料和纳米材料典型的非局部弹性和非局部阻尼的特征。该杆受到确定性或随机静止纵向力的影响。在确定性力的情况下,可以从李雅普诺夫意义上理解稳定性,而在随机情况下,稳定性几乎可以确定。在这两种情况下,最大Lyapunov指数均用于调查稳定性,稳定性调查。研究了非局部性参数值对最大Lyapunov指数指数的影响,其作用在杆上的恒定,周期性和随机纵向力的作用下。

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