Re: reaction-advection-diffusion; problems making the solution converge

> I'm not sure if using ||lhs|| is a good way to normalize the residual. > Surely that could be very small. Is ||lhs - rhs|| getting smaller > without normalization? ok, i was not very precise in my statement. actually i was doing this: 1. make a plot of lhs pointwise. 2. make a plot of lhs -

Re: reaction-advection-diffusion; problems making the solution converge

On Wed, Aug 3, 2016 at 9:27 AM, Nils Becker wrote: >> Could you possible post your code so I can play around with it? I >> can't think offhand what could be the issue or exactly what the error >> is that you're calculating, it seems like the normalized

Re: reaction-advection-diffusion; problems making the solution converge

> Could you possible post your code so I can play around with it? I > can't think offhand what could be the issue or exactly what the error > is that you're calculating, it seems like the normalized residual or > something. hi daniel, thanks for your reply. the way i was calculating the residual

Re: Applying Bounding Limits to PDE Solution Variables

On Tue, Aug 2, 2016 at 2:02 PM, Campbell, Ian wrote: > > I've tried the mean-square and RMS values, but they're both orders of > magnitude away from the residual returned by '.sweep'. As such, can you > please tell me the formula used by '.sweep' to compute the