迂回是什么意思
The limits of Riemann solutions to the relativistic
bcl是什么意思>特别的英文van der Waals fluidyou make me sick
期刊名称： Applicable Analysis
作者： Yu Zhang,Jinhuan Wang
英语翻译机年份： 2019年
星期四用英语怎么说期号： 第654期
何凯文六级关键词： M. Mei;Relativistic Euler equations;van der Waals gas;Riemannnba季后赛主题曲
factor
problem;delta-shock wave;vanishing pressure limit;35L65;35L67;76N10;76N15
摘要：By a Riemann problem, we identify and analyze the phenomena of concentration and cavitation and the formation of delta-shock waves and vacuum states in solutions to the relativistic van der Waals fluid as the pressure and molecular excluded volume drop to zero simultaneously. Particularly, the geo
acaimetric properties of elementary wave curves and the formation process of delta shocks and vacuums, influenced by the parameter of pressure perturbation εand the van der Waals excluded volume b, are characterized and clarified completely. It is rigorously shown that the Riemann solution of the relativistic van der Waals fluid containing two shocks and two-rarefaction waves respectively tend to the delta-shock solution and vacuum state to the pressureless relativistic Euler equations as both pressure and molecular excluded volume vanish.
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