This should be normally the process with MODFLOW.
Success,

R. Vazquez
--
Raul Vazquez Z, Ph.D. MSc. Eng.
On leave from: Katholieke Universiteit Leuven
Department of Civil Engineering - Hydraulics Laboratory
Kasteelpark Arenberg 40
B-3001 Leuven (Belgium)
URL: http://www.kuleuven.ac.be/hydr/Index.html


Quoting Olayinka Oladeji <olayinka_oladeji@...>:

>
> Dear Phemsi,
> I think if you have 2 separate simulations,then their input files
> will
> have to be read distinctly. For you to have the output of one
> simulation
> to be the initial conditions (which I suppose it to be nodal water
> head
> or concentration values), of the second simulation, then I think you
> have
> to manually format the output of the first simulation so that it can
> be
> read by the second simulation as initial conditions.
>
> Olayinka Oladeji
>
> --- phemsi <pshemsi@...> wrote:
>
> ---------------------------------
>
> Thank you very much Olayinka,
> I guess I should use 2 separate simulations... I would like to set
> up
> the second simulation so that the end results of simulation 1 are
> initial conditions for simulation 2...Have you tried that before?
> Thanks and have a great day.
> Paulo
>
>
> --- In hydrologymodel@..., Olayinka Oladeji
> <olayinka_oladeji@y...> wrote:
> > Phemsi,
> >
> > I think your scenario will represent two different geologic
> materials with peculiar intrinsic properties. Hence, I suppose this
> will require two separate simulations. To the best of my knowledge,
> MODFLOW 2000 only allow one K matrix values per layer per simulation
> and this is incorporated within the flow package.
> >
> > However, if the introduction of the permeable barrier is
> controlled
> along defined specific paths or unique relatively smaller area(s),
> then you can use one simulation with two stress periods and
> incorporate Horizontal Flow Barrier Package in the second period to
> account for the permeable barrier distribution. This is not suppose
> to
> be of much problem especially if you incorporate your modflow with
> GIS
> package like GRASS GIS.
> >
> > Olayinka Oladeji.
> >
> > phemsi <pshemsi@e...> wrote:
> >
> > Hello.
> > I have been trying to create a MODFLOW-2000 (not Visual)simulation
> > containing 2 stress periods, each period with a different input map
> of
> > hydraulic conductivities. This scenario represents, for example,
> the
> > original aquifer (1st period) and the aquifer after the
> introduction
> > of a permeable barrier (2nd period).
> > However, I could not find the way to define the matrix of K
> (hydraulic
> > conductivity) per stress period. It seems that the matrix of K is
> > defined once for the entire simulation??
> > Thank you for any ideas from users.
> > Paulo
> >
> >
> >
> >
> >
> > =================================================
> > * To subscribe this group, send a blank email to:
> > hydrologymodel-subscribe@...
> >
> > * Post message: hydrologymodel@...
> >
> > * This list is moderated by C. P. Kumar -
> http://www.angelfire.com/nh/cpkumar/