On a reversible Gray-Scott type system from energetic variational approach and its irreversible limit

On a reversible Gray-Scott type system from energetic variational approach and its irreversible limit
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从能量变分方法论可逆格雷-斯科特型系统及其不可逆极限

DOI:
10.1016/j.jde.2021.11.032
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发表时间:
2021-07
影响因子:
2.4
通讯作者:
Zhang Teng-Fei
Zhang Teng-Fei
中科院分区:
数学2区
文献类型:
--
作者:
Liang Jiangyan;Jiang Ning;Liu Chun;Wang Yiwei;Zhang Teng-Fei

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以往对著名的Gray-Scott模型的研究大多将其视为不可逆的化学反应体系。本文利用基于质量作用定律的能量变分方法,导出了一个四种反应扩散系统。这是一个可逆的Gray-Scott型模型,具有自然的熵结构。我们建立了该系统的局部适定性,并证明了相应的不可逆Gray-Scott型系统在某些后向系数趋于零时的极限。进一步,在初始数据较小的假设条件下,得到了可逆系统经典解的全局实时存在性。
Most of the previous studies on the well-known Gray-Scott model view it as an irreversible chemical reaction system. In this paper, we derive a four-species reaction-diffusion system using the energetic variational approach based on the law of mass action. This is a reversible Gray-Scott type model, which has a natural entropy structure. We establish the local well-posedness of this system, and justify the limit to the corresponding irreversible Gray-Scott type system as some backward coefficients tend to zero. Furthermore, under some smallness assumption on the initial data, we obtain the global-in-time existence of classical solution of the reversible system.
无限格上三分量可逆Gray-Scott模型的全局吸引子和Kolmogorov熵
DOI: 10.1016/j.amc.2012.03.036
发表时间: 2012-06
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