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通过对乍缝批坎收缩段水力特性的分析，提出了底板压力分布的二维数学模型。计算结果表明，本文数值分析方法能够反映窄缝挑坎收缩段的水力特性，底板压力分布与模型试验结果比较吻合。
Based on the analysis of the hydraulic characteristics of the contracted section of the kernic slot, a two-dimensional mathematical model of the pressure distribution in the bottom plate is proposed. The calculation results show that the numerical analysis method in this paper can reflect the hydraulic characteristics of the narrowed section in the contracted section of bucket head. The pressure distribution in the bottom plate is in good agreement with the model test results.