3D PIPE FLOW.


Three-dimensional pipe flow is a useful test for viscoelastic fluid model simulations. A major problem when dealing with three-dimensional flows is that the increased number of variables creates a demand for a much greater computer memory, especially when dealing with numerical simulations over fine grids.

The three-dimensional vector plot below is for a fluid flowing from left to right through a cubic pipe. These results were obtained from a Fortran program modelling the flow of a Newtonian fluid on a 6*6*6 grid. The pipe is shown in perspective, with the colour red denoting the highest velocity of the fluid at the centre of the pipe.

These results are presented using the package AVS.