An analytical model, based on dynamics and plane wave propagation through the drill string, has been developed to depict the process of jarring and to analyze the factors related to impact.

• 文章运用弹性波理论与动力学分析相结合的方法研究震击器解卡动力学过程,提出利用震击力和震击冲量来衡量震击器解卡效果。