NUMERICAL SOLUTION OF THE EQUATIONS OF DISSOLUTION AND REMOVAL OF SALTS IN THE FILTERING IN FRACTURED ROCKS
In the article we consider the numerical solution of the equations of dissolution and removal of salts in the filtering in fractured rocks. Solved boundary value problem of two-dimensional convective diffusion difference method. The solution allows to predict the dissolution and removal of salts in the grounds of the hydrotechnical facilities. The algorithm for solving the boundary value problem of two-dimensional convective diffusion in a rectangular area, and the numerical results of calculating the distribution of concentrations of the solution in the crack. On the algorithm used to determine the distribution of concentrations of crack is compiled and debugged program in the language of TPascal 7.1. To assess the intensity of the crack opening upon the dissolution of its walls is considered average increment of the crack length disclosure and received the appropriate expression. The given technique allows to approximately take into account the change of the sizes cracks in the process of dissolving.