Research Article

Research on the Optimization of Automobile Plastic Front Frame Structure

Table 2

Analysis results after optimizing subobjectives individually.

Individual optimization of subtargetsStructural flexibility ()First-order mode (Hz)Second-order mode (Hz)Third-order mode (Hz)
Locking limit pullPedestrian protection against impact forcesForce in the cushion area

Locking limit pull2125.692265.9578.6449.371.3578.66
Pedestrian protection against impact forces2001.232500.2181.2342.3176.9585.32
Force in the cushion area1635.62156.1494.6334.2668.6279.65
First-order mode (Hz)1736.182354.9475.3270.6588.695.46
Second-order mode (Hz)1864.692166.377.6266.3298.94106.58
Third-order mode (Hz)1836.842063.4469.5432.1476.37120.75