期刊
INTERNATIONAL JOURNAL OF NUMERICAL METHODS FOR HEAT & FLUID FLOW
卷 31, 期 5, 页码 1369-1372出版社
EMERALD GROUP PUBLISHING LTD
DOI: 10.1108/HFF-06-2019-0523
关键词
Variational theory; Semi-inverse method; Burger equation; Plasma; Editorial
This paper aims to search for a generalized variational formulation with a free parameter through the semi-inverse method, suggesting a new approach to construction of a trial-functional with some free parameters.
Purpose - It is extremely difficult to establish a variational principle for plasma. Kalaawy obtained a variational principle by using the semi-inverse method in 2016, and Li and He suggested a modification in 2017. This paper aims to search for a generalized variational formulation with a free parameter. Design/methodology/approach - The semi-inverse method is used by suitable construction of a trial functional with some free parameters. Findings - A modification of Li-He's variational principle with a free parameter is obtained. Originality/value - This paper suggests a new approach to construction of a trial-functional with some free parameters.
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