| 4. | When the author sets up the mathematics model with describing the process of two - dimensional debris flow , he develops the continuity equation by the law of conservation of mass and establishes the momentum equations by the law of conservation of momentum . the author makes full use of the advanced computer technologies , establishes the finite difference equation of numerical simulation by the differential operator fission method , and writes programs for computers which contact friendly with the other programs . the parameters are directly input on the keyboard 在泥石流堆积数值模拟方面,作者以前人工作成果为基础,在建立数学模型时,根据质量守恒原理,推导建立了泥石流连续性方程,根据动量守恒原理,推导建立了泥石流运动方程;在数值解法上,充分利用高速发展的计算机技术,采用算子分裂法建立数学模型的差分格式,开放式编制程序,人机对话方式设置参数,计算机程序具有通用性、可扩展性和易维护性。 |