摘要 关键词］TLD；数值模拟；动水压力；有限差分法；滞回曲线 [gap=695]Keywords:TLD; numerical simulation; dynamic liquid pressure; finite difference method; hysteretic curve
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liquid dynamic pressure 液体动态压力
The results show that the mass of tank roof gives less effect on the distribution and magnitude of dynamic liquid pressure.
计算结果表明，罐顶质量对储罐中液体的液动压力分布和大小都影响不大。
In consideration of the effect of liquid dynamic pressure on the tubing string vertical vibration, the differential equation and frequency equation for describing the vibration are set up.
考虑液动压力对油管柱纵向振动的影响，建立了油管柱纵向振动微分方程，并给出了这种情况下油管柱纵向振动的频率方程。
Firstly, the static and dynamic mathematic model of the Liquid Propellant Rocket Engine of pressure-fed providing system was established in centralized parameter method.
首先采用集中参数法，建立了挤压式供应系统的液体火箭发动机各部件的静态及动态数学模型。
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