restart? (map solution from corase mesh to fine mesh)

TBE_Legend

Another way to do it would be to click store solution on the solver manager window under the initial value tab. Once I have stored a solution, I delete the old mesh and create a finer mesh. Be sure to check Stored solution for initial value!

--- In [email=COMSOL_Users%40yahoogroups.com]COMSOL_Users@yahoogroups.com[/email], David Hopkins <dahopkins429@...> wrote:
>
> A bit late on the response but yes this can be done. Solve with the coarse
> mesh. Then, remesh the areas you want and Select Update to map the coarse
> mesh values onto the refined mesh. This could then be used as a starting
> point for the next analysis. I have found this useful to get good starting
> values for the analysis but it doesn't save any memory as you still have to
> solve the fine mesh.
>
> Sincerely,
> Dave Hopkins
>
>
> On Mon, Jun 8, 2009 at 9:32 AM, Iwt Comsol <iwt_comsol@...> wrote:
>
> >
> >
> > Hello,
> >
> > I want to simulate a domestic hot water tank but therefore I need a very
> > fine mesh to get an accurate solution. I would like to know if it is
> > possible to simulate with a coarse mesh and take this solution to simulate
> > then with a finer mesh.
> >
> > I hope I get an answer!
> >
> > best regards
> >
> > Florian Altenburger
> > Institut of Thermal Engineering
> > Graz University of Technology
> >
> >

Another way to do it would be to click store solution on the solver manager window under the initial value tab. Once I have stored a solution, I delete the old mesh and create a finer mesh. Be sure to check Stored solution for initial value!

--- In [email=COMSOL_Users%40yahoogroups.com]COMSOL_Users@yahoogroups.com[/email], David Hopkins <dahopkins429@...> wrote:
>
> A bit late on the response but yes this can be done. Solve with the coarse
> mesh. Then, remesh the areas you want and Select Update to map the coarse
> mesh values onto the refined mesh. This could then be used as a starting
> point for the next analysis. I have found this useful to get good starting
> values for the analysis but it doesn't save any memory as you still have to
> solve the fine mesh.
>
> Sincerely,
> Dave Hopkins
>
>
> On Mon, Jun 8, 2009 at 9:32 AM, Iwt Comsol <iwt_comsol@...> wrote:
>
> >
> >
> > Hello,
> >
> > I want to simulate a domestic hot water tank but therefore I need a very
> > fine mesh to get an accurate solution. I would like to know if it is
> > possible to simulate with a coarse mesh and take this solution to simulate
> > then with a finer mesh.
> >
> > I hope I get an answer!
> >
> > best regards
> >
> > Florian Altenburger
> > Institut of Thermal Engineering
> > Graz University of Technology
> >
> >