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FINITE RANGE METHOD OF APPROXIMATION FOR BALANCE LAWS IN MEASURE SPACES

机译:测量空间余额法近似的有限范围方法

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摘要

In the following paper we reconsider a numerical scheme recently introduced in [10]. The method was designed for a wide class of size structured population models with a nonlocal term describing the birth process. Despite its numerous advantages it features the exponential growth in time of the number of particles constituting the numerical solution. We introduce a new algorithm free from this inconvenience. The improvement is based on the application the Finite Range Approximation to the nonlocal term. We prove the convergence of the derived method and provide the rate of its convergence. Moreover, the results are illustrated by numerical simulations applied to various test cases.
机译:在下文中,我们重新考虑了最近在[10]中介绍的数值方案。 该方法设计用于广泛的大小结构化人口模型,具有描述出生过程的非本文术语。 尽管它具有许多优点,其特征在于构成数值溶液的粒子数量的指数增长。 我们介绍了一种没有这种不便的新算法。 改进基于应用于非识别术语的有限范围近似的应用。 我们证明了衍生方法的收敛性并提供其收敛速率。 此外,通过应用于各种测试用例的数值模拟来说明结果。

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