Date: Mar 23, 2013 3:56 AM
Author: Nasser Abbasi
Subject: Re: Pdepe
On 3/22/2013 8:30 PM, Igor wrote:
> hi everybody,
> What to do if pdepe too slow?
slow is relative. So it is slow compared to what?
> I am solving Diagenesis equation with fluxing BC (oscillating (360*cos(t*(2*pi))+360))
>and pdepe solver takes 2 hours and more. How can I improve speed?
how many elements are you using?
>Is there any Possibilities to improve? Or maybe you can advice me another method? for instance, FD
> As I know pdepe uses FEM method. Am I right?
> Could be something better than pdepe for this task?
> I've read the article "A comparison of some numerical methods in solving 1-D steady-state
>advection dispersion reaction equation" by D. Yudianto* and Xie Yuebo. And they said that it is
> best way. Can we trust them?
Do not trust any one.