الفهرس | Only 14 pages are availabe for public view |
Abstract Seepage is considered the main reason causing the failure of dams and other hydraulic structures due to its potential to cause an internal eruption of soil. It has a great influence on their stabilities and performances. Consequently, it is necessary to be controlled to stop concealed internal and external erosion of soil grains. Seepage is classified into confined; seepage occurs underneath hydraulic structures and unconfined; seepage occurs through hydraulic structures. In this study, a non-ubiquitous numerical technique for solving various physical and engineering problems having arbitrary domain configurations and complicated boundary conditions called The Strong Form Differential Quadrature Element Method (DQEM) is used to simulate 2D steady-state confined seepage unprecedentedly. This method discretizes the studied domain to a number of homogenous/heterogeneous, isotropic or anisotropic zones/elements. The mapping transformation from physical domain into normalized domain is developed. Techniques for defining boundary conditions are presented. The numerical modeling process is implemented in a computer code. The computer program was written using PYTHON programming language to obtain the required seepage characteristics. The program results were compared with the available results of analytical and numerical methods for the same cases to verify the declared model accuracy. Various problems are solved and the obtained results are compared with the available results of theoretical and numerical methods pre-published in the literature and gave good agreements. |