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Damage Detection Method in Complicated Beams With Varying Flexural Stiffness
Author(s): 
Pages: 445-454
Year: Issue:  4
Journal: Applied Mathematics and Mechanics

Abstract: 提出了适用于复杂梁结构损伤检测的子段模态应变能法SSEM(subsection strain energy method),并分析了该方法的适用性条件.通过对变截面梁的有限元计算,以及对纤维增强复合材料风机叶片缩比模型的试验分析,验证了SSEM方法确定的结构损伤指标对损伤准确定位的可靠性.该基于振动的变刚度复杂梁结构的损伤检测方法,可应用于工程实际中梁和类梁整体结构的损伤检测.
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