烟台北部近岸海域潮流数值模拟

NUMERICAL COMPUTATION OF TIDAL CURRENT IN THE OFFSHORE AREA OF NORTHERN YANTAI

采用ADI法,分别模拟烟台北部海域四大分潮(M_2、S_2、K_1、O_1),得到潮汐潮流性质、潮流椭圆、同潮时线和等振幅线。然后合成四大分潮,对研究海域大潮期的潮流场作了预报,计算结果与实测值吻合良好,再现了该海域复杂的潮波系统。

Using the ADI method, this paper simulates the four important constituents (M2、S2、 K1、 O1) in the sea area of northern Yantai respectively, and obtains the properties of the tide and tidal currents、 the tidal current eillipsis、 cotidal lines and isoamplitude lines. By composing the four important constituents, it then predicts the tidal current field in the arer at the period of spring. The result of computation tallies with the observed values and the complicated system of tital waves is recovered.