模拟车辆碰撞情况下方向盘下的安全气囊的展开模型；该 FE 模型使用 Hypermesh 和LS-DYNA 开发，集成方向盘的动态碰撞模拟座椅有限元模型。 Simulate the deployment model of the airbag under the steering wheel in the event of a vehicle collision; This FE model was developed using Hypermesh and LS-DYNA, integrating a dynamic collision simulation seat finite element model with the steering wheel.