TBC

Transport, Biochemistry and Chemistry

D. Schäfer
W. Schäfer
René Therrien

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TBC 2.0 is a further development of the numerical model FLOWBIO developed by René Therrien and Wolfgang Schäfer, Kassel University, March 1993. TBC is able to simulate three-dimensional saturated groundwater flow as well as transport and (bio)chemical reactions of any number of model species. The flow and transport equations are discretized by using the finite difference method, resulting in a seven-point template, or by using the Garlerkin finite element technique, resulting in a 27-point discretization molecule. The use of the seven-point template considerably reduces memory and CPU time required for a solution. The final system of equations is solved by a very fast and efficient preconditioned ORTHOMIN solver.
The biochemical reactions are described by Monod-type kinetics and the equation system is solved by a special DGEAR routine. Chemical reactions can either be defined as a set of fast equilibrium reactions or as kinetic chemical reactions. The equation system is solved by a Newton-Raphson solver.

• TBC.ZIP (unzip tbc.zip and see readme for further instructions!)
• TBC.PDF (User's Guide in PDF-format)

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DISCLAIMER OF WARRANTY:
Since the Software is provided free of charge, the Software is provided on an AS IS basis, without warranty of any kind, including without limitation the warranties of merchantability, fitness for a particular purpose and non-infringement. The entire risk as to the quality and performance of the Software is borne by you. Should the Software prove defective, you assume the entire cost of any service and repair.

LIMITATION OF LIABILITY: UNDER NO CIRCUMSTANCES AND UNDER NO LEGAL THEORY, TORT, CONTRACT, OR OTHERWISE, SHALL THE AUTHORS BE LIABLE TO YOU OR ANY OTHER PERSON FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES OF ANY CHARACTER INCLUDING, WITHOUT LIMITATION, DAMAGES FOR LOSS OF GOODWILL, WORK STOPPAGE, COMPUTER FAILURE OR MALFUNCTION, OR ANY AND ALL OTHER COMMERCIAL DAMAGES OR LOSSES.