BGT OUTPUT

[Ali Boroumand]

Folks,

I am pretty much a beginner with Modflow, so I hope you don't find my
question too stupid or too primitive!
I am using the executable file of Modflow 2005, I have been successful
to make my input files and run the code. I have plotted head
distribution across the aquifer and everything makes complete sense.
So I guess I do not have any problem in running the code.

However, what I really need is velocity field in the aquifer not head
distribution. To the best of my knowledge I should be able to extract
the velocity field from cell-by-cell budget file. However, budget file
is written as an unformatted binary file. I do not know How I should
read this file. Also, I do not know the order and type of information
written in this file so I cannot use any of commands which translate
binary files to text files.

I will appreciate if someone let me know what the easiest way is to
get velocity field as the output of Modflow 2005?

Once again I apologize if this question is so primitive.

Bests,
Ali

[Mustafa El-Rawy]

Hi Ali,

 

There are at least four USGS programs that can be used to read data from the cell-by-cell budget file.

1.	ZoneBudget

2.

MODPATH

3.

GW_Chart

4.

ModelMuse

Note that the cell-by-cell budget file must be an unstructured non-formatted file to be read by the above programs. To generate such files with versions of MODFLOW not distributed by the USGS, openspec.inc in the MODFLOW source code may need to be modified prior to compiling MODFLOW.

regards,

Mustafa

 

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Mustafa A. El-Rawy
Demonstrator, Civil Engineering Department
Faculty of Engineering, El-Minia University
El-Minia, Egypt.
MSc in Water Resources Engineering
Katholeike Universiteit Leuven
Studentenwijk Arenberg,3001 Heverlee
Leuven, Belgium
Mustafa...@student.kuleuven.be

[Michael Ou]

search "binary", you will find some solutions.

and u can get the format from "online guide to modflow"

Michael Ou

[Paul Kaweesa]

Dear Ali, You can always search the link below. It is the online guide to MODFLOW by USGS. It has descriptions of all file formats, all packages etc.

http://water.usgs.gov/nrp/gwsoftware/modflow2000/MFDOC/index.html?introduction.htm

Hope you find what you want.

Paul.