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The numerical method for the moving boundary problem with space-fractional derivative in drug release devices

机译:药物释放装置中具有空间分数导数的运动边界问题的数值方法

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摘要

In this paper, an anomalous diffusion model related to the release of a dispersed solution from the planar polymer matrix is presented and the boundary immobilization (BIM) technique based on the explicit finite difference is employed to solve the space-fractional differential equations with a moving boundary condition. It is shown that the numerical results are in good agreement with the scale-invariant solutions obtained previously. Then, effect of the parameter in the consider equations on the anomalous diffusion is analyzed and results are displayed in a table. The proposed method can be developed for different situations to calculate moving boundary problems with space-fractional derivative.
机译:本文提出了一种与平面聚合物基体中分散溶液的释放有关的反常扩散模型,并采用基于显式有限差分的边界固定(BIM)技术来求解带运动的空间分数微分方程。边界条件。结果表明,数值结果与先前获得的尺度不变解吻合良好。然后,分析考虑方程中的参数对异常扩散的影响,并将结果显示在表中。可以针对不同的情况开发该方法,以计算具有空间分数导数的运动边界问题。

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