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Propagation Characteristics of Lamb Waves in Stringer-stiffened Panels

机译：纵梁加劲板中兰姆波的传播特性

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摘要

Stringer-stiffened plate-like structure is a typical engineering structure and its structural integrity is critical. A guided Lamb wave-based damage identification scheme and an online structural health monitoring (SHM) system with an integrated PZT-sensor network were developed. In the previous studies, the specimens were relatively simple. In this paper, the abovementioned method was extended to the stiffened plate-like structure-a flat plate reinforced by stringer. FE dynamic simulation was applied to investigate the Lamb wave propagation characteristics due to the existence of stringer with the consideration of its material and geometric configurations.
机译：纵梁加劲板状结构是一种典型的工程结构，其结构完整性至关重要。开发了基于Lamb波的引导式损伤识别方案和带有集成PZT传感器网络的在线结构健康监测（SHM）系统。在先前的研究中，标本相对简单。在本文中，上述方法扩展到了加强的板状结构-用纵梁加强的平板。有限元动力学模拟被用来研究由于纵梁的存在而引起的兰姆波传播特性，并考虑了其材料和几何形状。

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