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Control of natural frequencies of a clamped-clamped composite beam with embedded shape memory alloy wires

机译：嵌入形状记忆合金丝控制夹固复合梁的固有频率

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摘要

In this study, an analytical model for the evaluation of natural frequencies of glass fibre composite beams with embedded shape memory alloy (SMA) wires, called "SMA composites" is presented. The beams were clamped at both ends and different numbers of SMA actuators were embedded at an interlayer of the composite beams. The changes of tensile modulus, internal recovery stress and Strain, and stresses due to the thermal expansion of the beams and wire were considered in the study. The natural frequencies Evaluated from the analytical model of the SMA composite beams compared well with experimental measurements.
机译：在这项研究中，提出了一种用于评估带有嵌入形状记忆合金（SMA）线的玻璃纤维复合材料梁固有频率的分析模型，称为“ SMA复合材料”。将梁的两端夹紧，并在复合梁的中间层嵌入不同数量的SMA执行器。研究中考虑了拉伸模量，内部回复应力和应变的变化以及梁和线材的热膨胀引起的应力。根据SMA复合材料梁的分析模型评估的固有频率与实验测量值进行了比较。

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