On the basis of the static equilibrium principle and the bendingtheory of beam, the theoretical model of ice breakup on shallow beachdue to tidal fluctuation is set up.

• 依据静力平衡原理及梁的弯曲理论建立了近岸浅滩海冰在潮汐作用下的断裂模式，分析了海冰的厚度、长度、极限弯曲强度以及岸坡角与海冰断裂长度的关系。