摘要
分析了解析方法和数值方法在加筋壳体振动特性分析中的应用及两种基本方法的利弊,提出一种改进的分析方法──半解析数值法.
The paper analysed applications of the analytical and numerical methods invibration characteristics of shells with stiffening ribs and the advantages and disadvantagesof both basic methods, advanced an improved analysis method:a semi-analytical and numerical method.
关键词
加筋壳体
振动
半解析数值法
自由振动
shells with stiffening ribs vibration semi-analytical numericalmethod