Development of 3D MP-MPS Model for Flow Pattern Prediction Under Intensive Hydraulic Gradient
Analyzing of shape, location and other properties of propagating waves involve complicated boundary conditions, nonlinear equations, variant domain and intensive effect of various flow phases on each others. These properties have made waves modeling one of the most complicated computational problems. In this research a Lagrangian, multiphase, meshless and three dimensional method called MP-MPS (Multi Phase Moving Particle Semi-implicit) have been developed based on the MPS method. The MPS method is applicable in solving turbulent flow equations such as prorogating near shore waves. In the multi phases model of MP-MPS the three dimensional and viscous equations have been extended for three phases of gas, liquid and solid. In this way different phase’s counteraction effect have been exerted in the equations by some variables, so the phase changes are modeled synchronically. The dam breaking and wave propagating problems have been applied to show the ability and accuracy of the model. The results have been compared against experimental and analytical models. Comparison of model results against applied methods of primary researches represents the accuracy and applicability of modified methods and algorithms deployed in the developed model.
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