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On the range diminishing property of numerical schemes for scalar conservation laws
Journal of Computational and Applied Mathematics ( IF 2.1 ) Pub Date : 2020-06-03 , DOI: 10.1016/j.cam.2020.113013 A.J. Kriel
中文翻译:
标量守恒律数值格式的范围递减性质
更新日期:2020-06-03
Journal of Computational and Applied Mathematics ( IF 2.1 ) Pub Date : 2020-06-03 , DOI: 10.1016/j.cam.2020.113013 A.J. Kriel
Exact solutions of scalar conservation laws have the property that maxima are non-increasing, minima are non-decreasing and no new extrema are created. We present a simple and reliable general condition for numerical schemes to mimic this property. We demonstrate the result by applying it to various schemes, which leads to various CFL-like conditions.
中文翻译:
标量守恒律数值格式的范围递减性质
标量守恒定律的精确解具有以下性质:最大值不增加,最小值不减小,并且不创建新的极值。我们为数值方案提供了一个简单可靠的通用条件,以模仿该特性。我们通过将其应用于各种方案来证明结果,这会导致各种类似于CFL的情况。