Abstract:
In the present work the basic theory of hybrid finite elementstatistical energy analysis(FESEA) method was first described, and the FE model of the platebeam structure with randomicity was considered. Then the ensemble average dynamic response results of FE model was calculate based on the Monte Carlo Finite element method. Tthe hybrid FESEA model of structure is built up and the subsystem dynamic response of hybrid model is calculated. Finally, we compare the dynamic response results obtained by the two different methods. The result shows that the hybrid FESEA method can reduce the excessive demands of FE method for a large number of DOFs. In addition, this method can reduce the model size and the amount of computation, which provide an accurate and efficient practical application with randomicity.
