文档介绍：1 目 录 第一章 ABAQUS 动力学问题概述………………………………………………………………1 §1-1 动力学问题........................................................................................1 §1-2 结构动力学研究的内容........................................................................................3 §1-3 振动的分类......................................................................................................4 §1-4 结构动力学的研究方法....................................................................................5 §1-5 动力学问题的基本方程.......................................................................................5 §1-6 小结..............................................................................................................6 第 2 章结构特征值的提取…………………………………………………………………………7 §2-1 问题的产生..................................................................................................7 §2-2 特征值的求解方法...........................................................................................7 §2-3 特征值求解器的比较...........................................................................................8 §2-4 重复的特征频率...........................................................................................9 §2-5 征值频率的提取 ...........................................................................................9 §2-6 频率输出 .............................................................................................12 §2-7 有预载结构的频率...........................................................................................16 §2-8 复特征频率和刹车的啸声分析..............................................................................17 第 3 章模态叠加法………………………………………………………………………………22 §3-1 模态叠加法的基本概念......................................................................................22 §3-2 模态叠加法的应用............................................................................................24 第 4 章阻尼………………………………………………………………………………………26 §4-1 引言.........................