Bullet is a 3d open source physics engine that supports rigid - and soft-body dynamics and collision detection in 3d.
Bullet是一个3d的开源物理引擎，支持3d的刚体和软体力学以及碰撞检测。
2
A simulation model for the dynamic steering processes of tracked vehicles was established, based on steering dynamics and engine transient working processes.
本文基于履带车辆转向动力学和发动机动态工作过程，建立了履带车辆动态转向过程的仿真模型。
3
The nonlinear high frequency combustion instability process in the liquid rocket engine is simulated with the method of nonlinear dynamics.