A Hybrid Smoothed Finite Element Method for Predicting the Sound Field in the Enclosure with High Wave Numbers

<div>(a) The first 11 modal frequencies obtained by the reference method, standard FEM, hybrid SFEM, NS-FEM, and FS-FEM. (b) The relative errors of the standard FEM, hybrid SFEM, NS-FEM and FS-FEM.</div>

Shock and Vibration

fig4

Figure 4

Figure 4: A Hybrid Smoothed Finite Element Method for Predicting the Sound Field in the Enclosure with High Wave Numbers 