
Problem of building of two-dimensional model of sediment transport in coastal area of shallow reservoir, which is used for numerical simulation of the dynamics of accumulation coast, was considered in this work. Discretization of a mathematical model based on the balance method is made in this work. Proposed finite-difference schemes are stable and have second-order approximation error in the spatial coordinates and the first-order approximation error in the time. The net equations for a problem of sediment transport are constructed. The algorithm of calculation of factors of the net equations is offered.
В работе освещены вопросы построения пространственно-двумерной математической модели перемещения наносов в прибрежной зоне мелководных водоемов, которая используется для численного моделирования динамики аккумулятивного берега. Выполнена дискретизация модели на основе метода баланса, при этом предложенные конечноразностные схемы консервативны, устойчивы и имеют второй порядок погрешности аппроксимации по пространственным координатам и первый по времени. Построены сеточные уравнения для задачи транспорта наносо
МАТЕМАТИЧЕСКОЕ МОДЕЛИРОВАНИЕ, ТРАНСПОРТ НАНОСОВ, МЕТОД БАЛАНСА, ДИСКРЕТНАЯ МОДЕЛЬ, СЕТОЧНЫЕ УРАВНЕНИЯ
МАТЕМАТИЧЕСКОЕ МОДЕЛИРОВАНИЕ, ТРАНСПОРТ НАНОСОВ, МЕТОД БАЛАНСА, ДИСКРЕТНАЯ МОДЕЛЬ, СЕТОЧНЫЕ УРАВНЕНИЯ
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