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A Method Of Fundamental Solutions For Transient Heat Conduction

机译:瞬态热传导基本解的方法

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In this paper we investigate an application of the method of fundamental solutions (MFS) to transient heat conduction. In almost all of the previously proposed MFS for time-dependent heat conduction the fictitious sources are located outside the time-interval of interest. In our case, however, these sources are instead placed outside the space domain of interest in the same manner as is done for stationary heat conduction. A denseness result for this method is discussed and the method is numerically tested showing that accurate numerical results can be obtained. Furthermore, a test example with boundary singularities shows that it is advisable to remove such singularities before applying the MFS.
机译:在本文中,我们研究了基本解法(MFS)在瞬态热传导中的应用。在几乎所有先前提出的用于随时间进行热传导的MFS中,虚拟源均位于感兴趣的时间间隔之外。但是,在我们的情况下,这些源将以与固定热传导相同的方式放置在感兴趣的空间域之外。讨论了该方法的密度结果,并对方法进行了数值测试,结果表明可以获得准确的数值结果。此外,具有边界奇异性的测试示例表明,建议在应用MFS之前删除此类奇异性。

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