Hi again, Fipy. Suppose that with a solution variable phi (that is a cellVariable), I construct a vector field so that there is a vector associated to each point on the cell centers of the mesh, is there a way I could compute the gradient of that vector field with FiPy?
Thanks, Kyle On Dec 23, 2014, at 10:49 AM, Kyle Briton Lawlor <[email protected]> wrote: > Thanks, it does. > > K. > On Dec 23, 2014, at 10:36 AM, Daniel Wheeler <[email protected]> > wrote: > >> On Tue, Dec 23, 2014 at 10:17 AM, Kyle Briton Lawlor >> <[email protected]> wrote: >>> Hi - I have a problem on a circular mesh, does phi.grad() return the >>> gradient in cartesian or polar coordinates? >> >> Everything in FiPy is Cartesian. >> >>> Is there a place to look at this function and how it is computed? >> >> Take a look at, >> >> >> https://github.com/usnistgov/fipy/blob/develop/fipy/variables/cellVariable.py#L257 >> >> https://github.com/usnistgov/fipy/blob/develop/fipy/variables/cellVariable.py#L270 >> >> https://github.com/usnistgov/fipy/blob/develop/fipy/variables/gaussCellGradVariable.py#L105 >> >> https://github.com/usnistgov/fipy/blob/develop/fipy/variables/faceGradContributionsVariable.py#L80 >> >> It's just the standard FV formulation. Hope that helps. >> >> -- >> Daniel Wheeler >> _______________________________________________ >> fipy mailing list >> [email protected] >> http://www.ctcms.nist.gov/fipy >> [ NIST internal ONLY: https://email.nist.gov/mailman/listinfo/fipy ] > _______________________________________________ fipy mailing list [email protected] http://www.ctcms.nist.gov/fipy [ NIST internal ONLY: https://email.nist.gov/mailman/listinfo/fipy ]
