Please read this section before downloading codes from this website As part of various research efforts, my students and I have developed several computer tools over the past 25 years. I believe in free exchange of knowledge in all areas of society and that knowledge should be disseminated and shared freely. Therefore, I have started to post some the old source codes and their manual/write-ups as I find them. You are welcome to use them in any way you want, but not for commercial purposes. Any modified versions of these free software tools should cite the original work and the derived work should also be distributed as a free open source code as well. If you are not supportive of this idea, please don't download or use these codes. Also, email mail me if you found any of these tools to be useful in your research; it is incredibly satisfying to see our work being used by others. Please note some of these tools are really, really old and I may not be able to provide any support; you are on your own and use them at your own risk. I have also posted several useful codes and lectures at my modeling course website: http://www.eng.auburn.edu/~clemept/Numerical_methods/NumericalMethodsHomePage.html Journal References Computer Code 1) Torlapati, J. and T.P. Clement, Benchmarking a Visual-Basic based Multi-Component One-Dimensional Reactive Transport Modeling Tool, Computers & Geosciences, v. 50. 72–83 (2013) This is still a beta version, we will continue to update this code and the maual RT1Dcode_beta RT1D_sample_inputs RT1D user manual 1) Clement,T.P., W.R.Wise and F.J. Molz, A physically based, two-dimensional, finite-difference algorithm for variably-saturated flow, Journal of Hydrology, v. 161, p. 71-90, 1994. 2) Wise, W.R., T.P. Clement, and F.J. Molz, Variably-saturated modeling of transient drainage: Sensitivity to soil parameters, Journal of Hydrology, v. 161, p. 91-108, 1994. 3) Clement, T.P., W. R. Wise, F.J. Molz, and M. Wen, A Comparison of modeling approaches for steady-state unconfined flow, Journal of Hydrology, 181, 189-209, 1996. Code1 Code2
These are some really old version of Fortran codes that are related to these 3 articles. 1) Clement, T.P., C.D., Johnson, Y. Sun, G.M. Klecka, C. Bartlett, Natural attenuation of chlorinated solvent compounds: Model development and field-scale application, vol.42, p.113-140, Journal of Contaminant Hydrology, 2000. 2) Clement, T.P., Y. Sun., B.S. Hooker, J.N. Petersen, Modeling Multi-species Reactive Transport in Groundwater Aquifers, Groundwater Monitoring & Remediation Journal, vol 18(2), spring issue, p. 79-92, 1998. Also, visit http://bioprocess.pnnl.gov/rt3d.htm RT3D2.5 source code RT3DV1manual RT3D2.5_update RT3D2.5_readme RT3D_GMS_tutorials 1) Clement, T.P., A generalized analytical method for solving multi-species transport equations coupled with a first-order reaction network, submitted to Water Resources Research, vol 37, p. 157-163, 2001. 2) Jones, N.L., T.P. Clement, C.M. Hansen, A three-dimensional analytical modeling tool for solving reactive transport problems, Ground Water, vol. 44 (4), p 613-617, 2006 Source code for matrix method
ART3Dv1beta 1) Quezada, C.R., T.P. Clement, K.K. Lee, Generalized solution to multi-dimensional, multi-species transport equations coupled with a first-order reaction network involving distinct retardation factors, Advances in Water Resources Journal, vol 27, p. 507-520, 2004. 2) Srinivasan, V., T.P. Clement, and K.K. Lee, Domenico model – Is it valid? Ground Water, v45(2), p. 136-146, 2007. ART3Dv3 1) Srinivasan, V. and T.P. Clement, Analytical Solutions for Sequentially Coupled One-Dimensional Reactive Transport Problems – Part I: Mathematical Derivations, Advances in Water Resources, v. 31(2), P. 203-218, 2008. 2) Srinivasan, V. and T.P. Clement, Analytical Solutions for Sequentially Coupled One-Dimensional Reactive Transport Problems – Part II: Special Cases, Implementation and Testing, Advances in Water Resources, v. 31(2), P. 219-232, 2008. Codes2008work
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