**42**, 1, pp. 49–59, 2017

**10.1515/aoa-2017-0006**

### A Coupled Smoothed Finite Element-Boundary Element Method for Structural-Acoustic Analysis of Shell

by coupling the SFEM for the structure and the BEM for the fluid. The solutions of SFEM are often found to be much more accurate than those of the FEM model. Based on its attractive features, it was decided in the present work to extend SFEM further for use in structural-acoustic analysis by coupling it with BEM, the present SFEM/BEM is implemented to predict the vehicle structure-acoustic frequency response analysis, and two numerical experiments results show that the present method can provide more accurate results compared with the standard FEM/BEM using the same mesh. It indicates that the present SFEM/BEM can be widely applied to solving many engineering noise, vibration and harshness (NVH) problems with more accurate solutions.

**Keywords**: Smoothed finite element method (SFEM); FEM; BEM; structural-acoustic analysis

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DOI: 10.1515/aoa-2017-0006