某舰的螺旋桨尾轴长期处在恒定载荷作用下，虽然尾轴应力在弹性极限范围内，但是尾轴局部还是很容易发生微量的塑性变形。
Tiny deformation will appear in the local of the propeller shaft of certain ship which is endured an invariableness load, although the shaft stress is within the elastic limit range.
螺旋桨模型简化为一个激励盘，即一个无厚度可穿透的圆盘，以给定的圆盘拉力载荷，即压强差来模拟螺旋桨滑流的效果。
The N-S equations with adoption of an actuator disk model are used to simulate the effect of turbo-propeller slipstream on high-lift systems.
螺旋桨模型简化为一个激励盘，即一个无厚度可穿透的圆盘，以给定的圆盘拉力载荷，即压强差来模拟螺旋桨滑流的效果。
The N-S equations with adoption of an actuator disk model are used to simulate the effect of turbo-propeller slipstream on high-lift systems.
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