thealchemist

The Alchemist

5 Months ago
Development of a fourth-order compact finite difference scheme for simulation of simulated-moving-bed process

Development of a fourth-order compact finite difference scheme for simulation of simulated-moving-bed process

A fourth-order compact finite difference scheme was developed to solve the model equation of simulated moving bed, which has a boundary condition that is updated along the calculation process and cannot be described as an explicit function of time. Two different methods, direct method and pseudo grid point method, were proposed to deal with the boundary condition. The high accuracy of the two methods was confirmed by a case study of solving an advection-di..

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