Iterating can begin from the default solution (with all values set to zero) or from an old results file. Ansys Polyflow can interpolate from a saved results file to a modified results file obtained with a different element type. For example, you can start with a temperature field obtained with quadratic elements and compute a new solution with 4×4 sub-elements. To do this, you will specify in Ansys Polydata the solution from which to start (as described in Starting an Ansys Polyflow Calculation from an Existing Results File), change the interpolation scheme, save a new data file, and begin the Ansys Polyflow calculation from the new data file.
It is also possible to start a calculation from results obtained on a different mesh. See Results Interpolation Onto Another Mesh for details.