To learn the groundwater modeling techniques, the students or the professionals need the suitable software and the textbook which explaines clearly the theory and the used software.The book must explaine the procedures step by step and from start to to the end.But nowadays, if you have not enough money to purchase the commercial modflow based software, it is a pity that you have to learn MODFLOW codes.It was the undesriable things.Hydrogeological modeling means interpretation.But there is no possibility to see visual something among the codes.I created the input and as a result output errors during the simulations with codes at the beginning.There is a good words in computer technology; Gap In Gap Out.It summurizes the best what i meant.Definitely all hydrogeologists have to know all background informations on groundwater modeling techniques and the structure of used softwares. But i think, groundwater modeling is more than a science, it is a art which must have a visual effect.So that I have looked for the best groundwater modeling book and the software since 1991.At the end, i have found, what i have ever looked for. This is this book which combines the latest modeling techniques and the latest modeling software.You can learn the latest modeling techniques written by the leading teaching experts and creators of PMWIN.This 344 pages textbook walks the practising engineers or students through the modeling process from start to finish.You don't need any other additional tool.This book has also the best groundwater modeling and contaminant transport modeling software. Especially it is the best learning asistance with example problems for the students and practising professionals.
With PMWIN ,groundwater modeling has never been so easy.It is more than a pre and post processor of MODFLOW family (88,96 or 2000);it is a great modeling environment in which you can find what you needed. You can also realize your all modeling and contaminant transport dreams with using all MOC3D, MT3D, PHT3D or RT3D family ( it was a dream for me ).
PMWIN is an advanced environment which has a digitizer, field interpolater, field generator and environment for the background images or dxf files.You can import vector or raster based images...create your own georeferenced background maps.You can interpolate your datas by using FIELDinterpolater and export your kriging results just in a minute with field generator.You can find 4 different interpolation methos.The most complex 3D preprocessing, such as surface or layer property routines take max.30 minutes.You can enter your values to cells, either in cell by cell method or in zonal method or using interchange options from the field interpolater program.
The PMWIN has a preference options the simulation can be performed either with MODFLOW 88,96 or 2000.The all datas will be controlled by the PMWIN, if needed you will be directed for the deficit inputs.After the modflow simulation has finished, the RESULTextractor gets your results in a matrix dialog. If you prefer to open your datas in an other application such as SURFER, it is also possible, you can export your matrix result. PMWIN creates two output files; one of them USGS's *.nam file, the other is the PMWIN's *.pm5 file.For example if you have only GE, you can also visualize your modflow code simulation results in GE environment because GE reads the modflows *.nam files.
If you have GE (it is an optional, low cost 3D visualization tool.It is the cheapest, the best and the easiest tool in the industry).I have tried the all other visulalzation tools, GE is the best, GE is the simple.If you wonder about the prices, it app.250 USD.The most complex and troublous datas will be shown so clearly in 2 minutes.PMWIN and GE or some other add on modules work seamlessly and perfect.The author and the programmer Prof.Wen-Hsing CHAING had thought everything.I have examined PMWIN with the most complex problems,the program has never stooped or the operating system has never collapsed.The PMWIN 5.1.7 permits 250.000 cells but with MF2K add on modules it can be reached up 640.000 cells. Again no problem, no colapse in system.If your operating system is stable, it works so unique.
If you are an unexperienced modeler or beginner,it is not problem.After one or two day with this book; definitely you will become more familiar.It is so simple that the visualization processes take just 2 minutes...you can create your own animations and import your animation scenes in many digital formats such as *.BMP, *.GIF and modify there and present.
With some additional add on modules which have been created again by the Authors of the book, you can merge with other modeling tools such as RT3D or PHT3D.I have contacted to Prof.wen-Hsing CHAING and learned that there will be a lot of add on modules...one of them is the surface water/groundwater interaction modules.I have also learned that GE will be used for the presentation of the surface waters and the meteorological datas.It means, PMWIN will be the best software in this industry.Many of the commercial modflow processors are still using Modflow 96. The MODFLOW 2000, PEST-ASP and the late version of the UCODE had been added in April 2001 to PMWIN.And it works without any problem since April 2001. I have contacted and got more additional information about the PMWIN and the book. I am gratefull to Prof.Kinzelbach and Prof.Wen-Hsiang CHAING who has written 3D GROUNDWATER MODELING WITH PMWIN and created,developed the PMWIN, GE and MODFLOW 2000 add on modules.I have found the best software and the best TEXTBOOK.This book is really excellent and can be advised both to the students,practical engineers and advanced groundwater modelers, as a compherensive guide to modeling and complete the exercises to refresh their knowledges.And also... Especially for the professors , this book will be an excellent primary text for a university course, or as asupplement to an existing curriculum.
Dipl.-Ing.Cengiz DOGANGoeNueL (B.Sc & M.Eng in Hydrogeological Enginnerig)
