The gear dynamics analysis is, according to the theory of vibrate dynamics, to study the basic rule of vibration, shock and noise which created by gear system while transferring power and motion.
The shock compression of condensed matter can be effectively dealt with by molecular dynamics, and has been applied to many fields of science.
用分子动力学方法可以有效地研究凝聚介质的激波压缩，并在许多领域得到了广泛应用。
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The paper considers home shock absorber and vehicle as object to have a study on nonlinear characteristic of shock absorber in vehicle passive suspension and vehicle ride dynamics.