The node axial force and radial force decreased with the time increased and the change rate of the node stress at the center was less than that at the circumference.
节点轴向力、径向力均随时间的增加而减小，而且节点应力变化速率在中心区域小于圆周处。
The time-dependent change of leakage rate and radial force of interface was analyzed.
研究了泄漏率、耦合面径向力随时间的变化情况；
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