Besides the failure of the sea ice when interacting with the caisson, the sea ice ride-up and pile-up against double caissons are in detail discussed.

• 应用涡极子理论，分析了海上双结构物设置时的流场变异，讨论了海冰对沉箱的破坏作用，研究了双沉箱设置下的海冰爬升和堆积机制。