A harmonic analysis is performed from 700 to 1000 Hz in 20 Hz increments. The structural load is step-applied, which means that it is a constant unit force value across the range of frequency (unit force for 1/4 symmetry model).

The sparse direct solver was chosen for this model. Vibroacoustic harmonic problems can also be efficiently solved with the Quasi-Minimal Residual (QMR) iterative solver.