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stress periods with different conductivities   Message List  
Reply | Forward Message #189 of 727 |
Re: stress periods with different conductivities


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
>
>
>
>
>
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Wed Nov 17, 2004 6:47 pm

phemsi
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Forward
Message #189 of 727 |
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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...
phemsi
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Nov 17, 2004
3:15 am

Phemsi, I think your scenario will represent two different geologic materials with peculiar intrinsic properties. Hence, I suppose this will require two...
Olayinka Oladeji
olayinka_ola...
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Nov 17, 2004
10:56 am

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...
phemsi
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Nov 18, 2004
3:23 am

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...
Olayinka Oladeji
olayinka_ola...
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Nov 18, 2004
11:53 am

This should be normally the process with MODFLOW. Success, R. Vazquez -- Raul Vazquez Z, Ph.D. MSc. Eng. On leave from: Katholieke Universiteit Leuven ...
Raul Vazquez Zambrano
raul.vazquez@...
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Nov 19, 2004
3:16 am
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