The lag distance of abutment pressure behind working face increases, but the convergence coefficient of vertical stress doesn't change obviously with the increase of mining height.
分层开采与综放开采工作面滞后支承压力变化规律是,随着采高的增大,工作面滞后支承力的距离加大,垂直应力集中系数差别不大。
The convergence of air at the lower levels and divergence aloft imply a vertical circulation which is schematically shown in the following cross-sectional diagram.
下面是热带气旋的垂直环流示意图,图中可看到低层的空气辐合及高层的空气辐散。
The Newton iterative method is used in the calculation of entropy density function, by which the non-convergence issue in the calculation for the vertical bearing capacity of piles is solved.
计算熵密度函数时采用牛顿迭代法,从而解决了在分析基桩竖向承载力的可靠度时可能产生的迭代不收敛的情况。
The special structure of wind area such as continuous vertical wind direction shear and the strong convergence create the useful situation of the snowstorm.
持续的垂直风向切变及强辐合等风场结构为暴雪产生创造了条件;
There was a good consistency between the location of the center of heavy rainfall and lower-level convergence, upper-level divergence and vertical ascent motion.
强降雨中心出现的位置跟低层辐合高层辐散出现的位置和最大垂直速度上升区有很好的一致性;
The vertical second-order drift loads of a submarine model were also calculated. TEBEM was found to achieve higher accuracy and quick convergence.
数值计算结果表明:该方法有较高的计算精度且收敛速度快。
The vertical second-order drift loads of a submarine model were also calculated. TEBEM was found to achieve higher accuracy and quick convergence.
数值计算结果表明:该方法有较高的计算精度且收敛速度快。
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