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[求助] 有限差分法几种格式应用到溃坝水流模拟

新手上路向各位求助,最近翻译一篇文章:Dam-break flow simulation: some results for one-dimensional  models of real cases  文里提到用有限差分法几种格式应用到溃坝水流模拟,Lax–Friedrich's scheme  和MacCormack's scheme 以及TVD MacCormack格式,得到某一位置的流量、水位曲线,并提到“smearing”的概念,我想问“smearing”怎么翻译?到底指什么东西?从附的两张图如何看出“smearing”??感谢万分!!

有限差分法几种格式应用到溃坝水流模拟
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有限差分法几种格式应用到溃坝水流模拟-1
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