Re: error in gradient even with orthogonal grid

2016-08-02 Thread James Pringle
Thank you -- since my problem solves for a stream function, this was a very helpful tip, and has made my solutions appear much better. Jamie On Mon, Aug 1, 2016 at 4:49 PM, Daniel Wheeler wrote: > Hi Jamie, > > Sorry for the delayed reply. > > On Thu, Jul 21, 2016 at 11:31 AM, James Pringle wr

Re: error in gradient even with orthogonal grid

2016-08-01 Thread Daniel Wheeler
Hi Jamie, Sorry for the delayed reply. On Thu, Jul 21, 2016 at 11:31 AM, James Pringle wrote: > > However, I am still getting large errors in estimates of the gradient even > when the mesh is nearly perfectly orthogonal. These errors DO NOT become > smaller as resolution is increased. I have two