The purpose of this paper is to find the distribution laws of the shear force between vertical shaft and surface soil, and to lay a foundation for mechanical model of shaft in soil.
揭示矿山立井井筒与周围表土之间剪切力的分布规律，为正确的立井井筒力学模型建立奠定理论基础。
A highly-reduced model for DTS Transient-midterm stability simulation is suggested in the paper, inclulding the method to find the equivalent parameters in the new models.
本文提出了一种用于DTS暂态—准中期稳定仿真的高度简化的数学模型。
The boundary element method is applied to find a numerical model on 2-D orifice in this paper.
本文利用边界元法建立了一个求解二维孔口的数学模型。
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