虚拟振动试验与真实试验相关性分析

Correlation Analysis between Virtual and Real Vibration Test

卫星虚拟振动试验是当今应用研究的前沿课题。以某中心承力筒为对象,由设计单位提供了承力筒的分析模型和承力筒试件,在相同的试验条件下分别独立地进行虚拟试验和真实试验,对比两者的试验数据,分析虚拟试验与真实试验结果的异同及其产生的原因,对建立的振动台分析模型和虚拟试验研究方法作出评价。

Virtual vibration test is the frontier topic in satellite development. A satellite center tube was studied as an example. Finite element model （FEM） and the center tube are provided by the design department. The virtual vibration test and the real vibration test were carried out independently under the same test condition. The test results were compared and the reasons were analyzed. The FEM of the shaker and the method of the virtual vibration test were appraised.