Experimental and Numerical Studies on Sloshing Dynamics of PCS Water Tank of Nuclear Island Building

Table 5

First four sloshing frequencies.

Sloshing modes	Average value (Hz)	Numerical analysis (Hz)	Errors (%)
1	0.4938	0.4926	−0.24
2	0.8404	0.8399	−0.06
3	1.0015	1.0631	+6.15
4	1.2188	1.2085	−0.85