研究表明波状界面和涡街是由界面处的剪力流速度分布和周期性扰动所造成的。
The results show that the wavy interface and vortex street are caused by the velocity distribution of shear flow and periodic disturbance at the interface.
实验中通过在剪切方向上叠加正弦波状的位移扰动，研究了剪应力扰动对断层粘滑失稳的影响。
In the experiments, a small-amplitude sine wave of displacement is modulated to shear loading to study the effects of shear stress perturbation on stick-slip instability.
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