期刊
ACTA APPLICANDAE MATHEMATICAE
卷 100, 期 3, 页码 291-294出版社
SPRINGER
DOI: 10.1007/s10440-007-9187-x
关键词
variational theory; semi-inverse method; Euler's equation
It is well-known that not every partial differential equation admits a variational formula. A rigorous proof of the existence of a variational principle is very difficult. In this paper, the semi-inverse method proposed by Ji-Huan He is used to construct a variational principle for a one-dimensional inviscid compressible fluid.
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