Research Article

Structural Modal Analysis and Optimization of SUV Door Based on Response Surface Method

Table 1

Comparison of modal results of simulation and experiment.

Frequency calculated fs (Hz)Frequency tested fs (Hz)Relative error e (%)Description of modal

42.7240.924.4Bending mode of the beam
51.5249.673.71st bending mode
55.3455.270.11st torsional mode
71.0471.49āˆ’0.6Bending and torsional model