自由振动响应，阻尼振动， ppt文件介绍-Free vibration response, damping vibration

本文档是主要内容是对自由梁弹性振动理论的研究，给出了梁振动特性计算方法，以及振动响应计算方法。-This document is the main content is the study of the theory of free beam elastic vibration, elements characteristics calculation method are given, and the calculation method of vibration response.