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根据浅水潮波理论，采用ＡＤＩ法、开边界强迫水位和二维信息控制计算大连湾Ｍ２分潮流场．结果与实测资料吻合较好且缩短了计算时间，为液体化学品污染扩散数值计算提供了流场资料．
According to the theory of shallow tide wave, the M2 sub - tidal flow field in Dalian Bay is calculated by using ADI method, forced water level at boundary and two - dimensional information control. The results are in good agreement with the measured data and the calculation time is shortened. The flow field data are provided for the numerical calculation of pollution diffusion in liquid chemicals.