Natural frequency of the riser will decrease due to the internal fluid flowing and temperature differential.
管内流体流动和管内外温差会降低立管的固有频率。
Considering the internal flowing fluid and the external environmental loads, the lateral vibration differential equation of a Marine riser is derived.
考虑管内流动流体和管外海洋环境荷载共同作用，建立海洋立管侧向运动微分方程。
Considering the internal flowing fluid and the external environmental loads, the lateral vibration differential equation of a Marine riser is derived.
考虑管内流动流体和管外海洋环境荷载共同作用，建立海洋立管侧向运动微分方程。
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