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.
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。
The equation of displacement wave and sound pressure wave in the sound velocity experiment are derived. And their relation is analyzed.
推导了声速测定实验中合成声场的位移波动方程、声压波动方程以及两者之间的关系。
Based on wave equation, the formula of displacement and strain in different section are derived, and the frequency equation is given.
从波动方程出发推导了各分段的位移及应变的表达式,同时给出了频率方程。
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