New posts in Navier Stokes

Index notation with Navier-Stokes equations

What is the mystery of turbulence?

Is there an analytical solution for fluid flow in a square duct?

Occurrence of turbulence in fluid dynamics from the equations of motion?

Should water at the scale of a cell feel more like tar?

Has it been proved that weak solutions to the Navier-Stokes equations are non-unique, and does this prove that the Navier-Stokes are not valid?