FEA (Finite Element Analysis) and test results have verified the effectiveness of this method.
有限元分析和实验测试结果证实了方法的有效性。
On the basis of the method, the FEA (finite element analysis) model of the van body in extendable work condition is established and the structure strength analysis of the van body is proceeded.
在此方法基础上建立了扩展厢式车厢体展开状态下有限元模型，并对其进行了强度分析。
Firstly, the paper deeply describes related knowledge of acoustic horn as well as basic principle of (FEA) the finite element analysis method.
本文首先深入阐述了变幅杆的相关知识以及有限元分析的基本原理。
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