FEM Model is made and programmed in MATLAB, reasonable size is worked out, relation between frequency and density is analyzed, and the vibratory mode shape is given.
用有限元法建立了圆筒谐振子的模型，通过MATLAB软件编程，计算出合理的谐振子参数，对其频率密度特性进行了分析，并给出了振子的振型分布。
The paper gives a new concept generalized strain energy density (GSED). It is based on the strain mode frequency and mode shape. It is very effective and its physical meaning is clear.
本文基于应变模态的工作，利用应变模态识别得到的振型和频率结果，提出广义应变比能（GSED）的概念。
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