The analysis of the propagation of waves in structures is a fundamental task in many engineering applications. The knowledge of dispersion relations, providing information on the type and nature of propagating waves is of interest for the prediction of forced response, acoustic radiation, nondestructive testing, and transmission of structure-borne sound. All these themes are nowadays the subject of many studies in order to improve the vibro-acoustic comfort of passenger carries, bridges, pipelines, and space vehicles.

中文翻译：

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周期和准周期光束的光谱分析和结构响应

在许多工程应用中，分析结构中的波传播是一项基本任务。色散关系的知识（提供有关传播波的类型和性质的信息）对于预测强制响应，声辐射，无损测试以及固体声的传播非常重要。如今，所有这些主题都是许多研究的主题，目的是提高乘客运载工具，桥梁，管道和航天器的振动声学舒适性。