摘要
给出了可压缩粘性流动问题变分泛函的代入构成法，即直接从场的方程出发，应用代入原则，构成相应的变分泛函。应用此法给出了最大功率消耗原理、广义变分原理等，同时认为目前采用的最大功率消耗原理值得商榷。
A new method on forming variation functionals for compressible viscous fluids——the Substitution for Constituting Variation Functional is given, i.e., setting out from the equations of fields, using rule of the substitution, it constitutes relevant variation functionals. By using this method, the principles of consuming maximum power and the generalized variation etc. are presented. At the same time, it is hold that the principle of consuming maximum power being used at present is discussed.
出处
《西安公路交通大学学报》
CSCD
北大核心
1999年第3期67-70,共4页
Journal of Xi'an Highway University
关键词
可压缩粘性流体
变分原理
粘性流体力学
compressible viscous fluids
variational principle
the Substitution for Constituting Variation Functional
Euler equation
constraint condition
