The shallow water wave theory is employed in the description of tidal flows.
潮流场计算是基于浅水波理论。
Based on linear water wave theory, a mathematical model of TLD by using a rectangular tank with a vertical baffle was presented and the formula of sloshing force was given.
基于线性波浪理论，建立了设有竖向隔板的矩形tld液体晃动问题的基本方程，并给出了晃动力的计算公式。
By combining the theory of aerodynamics with water hammer equation and wave equation of surge tank a mathematical model for this type of surge tank is established.
为研究制气式调压室的运行机制，运用空气动力学原理，结合管道水锤方程、调压室波动方程，建立了制气式调压室的仿真数学模型。
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