本文讨论非线性弹性动力学方程组的外问题。
In this paper, we deal with the exterior problem for the nonlinear elastodynamic system.
采用运动弹性动力学分析方法，建立了高速连杆机构的声辐射分析模型。
Based on the elastodynamic analysis method, the sound radiation analysis model was developed.
同时考虑身管弹性变形，建立了火炮发射时的多刚体动力学模型。
Study and Application of the Heat Transfer on Tube of Gun during Launching;
同时考虑身管弹性变形，建立了火炮发射时的多刚体动力学模型。
Study and Application of the Heat Transfer on Tube of Gun during Launching;
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