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研究表明,虽然空间索杆结构的动力性能较为复杂,但基于结构固有频率和模态位移的组合指标对节点损伤仍较为敏感,利用它们进行节点损伤识别是有效的。
Simulation results show that the combined indexes based on natural frequencies and mode displacements are sensitive to the joint damage and effective for the(identification) of joint damage.
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