Comparing with small tank, the sloshing in large tank includes not only fundamental mode but also higher modes and its fundamental period is much larger than that of small tank.

• 从与小体积罐的比较可以看出，大型储液罐的液面晃动不只是以基本振型为主，前几阶振型对液面晃动的贡献也比较显著，并且液面晃动的基本周期比小体积罐的大很多。