【摘要】 本文讨论了二维非定常流Galerkin解法的质量集中法,并用Galerkin法和质量集中法对长江口北支水域进行了模拟实算,并对两种方法的计算结果作了分析和比较。更多还原

【Abstract】 The lumped mass finite element method for two - dimensional unsteady flow is introduced. This method and the method in [ 1] are used in calculating the flow velocities and tide for the north branch of Yangtze River . The numerical result shows that the lumped mass finite element method need much less time and memory than the method [ 1] and retain previous accuracy .更多还原