The elemental mechanisms for many hydrodynamic instabilities can be identified as negative damping,negative diffusion or ellipticity. Identifications of some well-known hydrodynamic instabilities are made.Model equati...The elemental mechanisms for many hydrodynamic instabilities can be identified as negative damping,negative diffusion or ellipticity. Identifications of some well-known hydrodynamic instabilities are made.Model equations in connection with the instability associated with ellipticity should be studied more extensively.展开更多
文摘The elemental mechanisms for many hydrodynamic instabilities can be identified as negative damping,negative diffusion or ellipticity. Identifications of some well-known hydrodynamic instabilities are made.Model equations in connection with the instability associated with ellipticity should be studied more extensively.