supported by the NSFC (11071094);supported by the NSFC (The Youth Foundation) (10901068);CCNU Project (CCNU09A01004)
In this paper, we consider the nonlinear instability of incompressible Euler equations. If a steady density is non-monotonic, then the smooth steady state is a nonlinear instability. First, we use variational method t...
Supported by the Natural Science Foundation of China ( The Youth Foundation)(10901068);CCNU Project (CCNU09A01004);the Hubei Key Laboratory of Mathematical Physics