Groundwater Software MT3D99 MT3D99, comprehensive three-dimensional mass transport simulation software.
MT3D99 – an enhanced version of MT3DMS, that includes support for implicit solver, TVD Solution scheme, dual-porosity advection-diffusion, Non-equilibrium Sorption and Monod Kinetics, and Multispecies Reactions, including First-Order Parent-Daughter chain reactions, and Instantaneous Reactions among species.
$695.00 USD
MT3D99 – an enhanced version of MT3DMS, that includes support for implicit solver, TVD Solution scheme, dual-porosity advection-diffusion, Non-equilibrium Sorption and Monod Kinetics, and Multispecies Reactions, including First-Order Parent-Daughter chain reactions, and Instantaneous Reactions among species.
3D Contaminant Transport Modeling Software Ready to Work with Visual MODFLOW
MT3D99 – an enhanced version of MT3DMS, that includes support for implicit solver, TVD Solution scheme, dual-porosity advection-diffusion, Non-equilibrium Sorption and Monod Kinetics, and Multispecies Reactions, including First-Order Parent-Daughter chain reactions, and Instantaneous Reactions among species.
The model program is based on a modular structure to permit simulation of transport processes independently or jointly.
MT3D99 is linked to the USGS's three-dimensional groundwater model MODFLOW and can be easily applied using a graphical pre-and post processor like Visual MODFLOW.
MT3D99 is an ideal tool for simulating groundwater plume migration in either two or three-dimensional groundwater flow systems.
MT3D99 – an enhanced version of MT3DMS, that includes support for implicit
solver, TVD Solution scheme, dual-porosity advection-diffusion, Non-equilibrium
Sorption and Monod Kinetics, and Multispecies Reactions, including First-Order
Parent-Daughter chain reactions, and Instantaneous Reactions among
species. The model program is based on a modular structure to permit simulation of transport processes independently or jointly.
MT3D99 is linked to the USGS's three-dimensional groundwater model MODFLOW and can be easily applied using a graphical pre-and post processor like Visual MODFLOW.
MT3D99 is an ideal tool for simulating groundwater plume migration in either two or three-dimensional groundwater flow systems.
INPUT FEATURES
The MT3D99 model input is compatible with standard MODFLOW data files, including three- dimensional transient flow fields with the presence of wells, drains, rivers, recharge, evapotranspiration and a variety of boundary conditions.
The model retrieves the heads and various flow and sink/source terms saved by the model and automatically incorporates the specified boundary conditions.
ANALYSIS FEATURES
MT3D99's modular structure is similar to MODFLOW and allows simulation of sink/source mixing, chemical reactions, advection and dispersion independently without reserving computer memory space for unused options.
Solution options include:
Implicit solution scheme
TVD solution scheme
Method of characteristics (MOC) solution scheme
Modified method of characteristics (MMOC) solution scheme
Hybrid method of characteristics (HMOC) solution scheme
Spatial discretization capabilities and mass transport boundary conditions:
Confined, unconfined and variably confined/unconfined aquifer layers
Inclined model layers and variable cell thicknesses within the same layer
Specified concentrations or mass flux boundaries
Solute transport effects of external sources and sinks
Chemical reactions included are:
Equilibrium based linear or non-linear sorption
Non-equilibrium sorption
First-order irreversible decay or biodegradation
Zero-order and mixed-order Monod kinetics
Dual Porosity
The dual porosity advection-diffusion mass transfer model provides a more effective approach than the standard single-porosity advection-dispersion model for simulating solute transport in fractured media or extremely heterogeneous porous media.
Nonequilibrium
The nonequilibrium sorption model enables the user to examine the role of sorption in solute transport and remediation processes without the restrictive local-equilibrium assumption.
Complete Mass Budgets
MT3D99 computes and saves cell-by-cell mass budgets enabling the user to compile a detailed mass budget for any sub-region of the model grid.
Multi-Species Reactions
MT3D99 includes an enhanced reaction package to handle BIOPLUME-type aerobic and anaerobic reactions between hydrocarbon contaminant and any user-specified electron acceptors, and parent-daughter chain reactions for organic or inorganic copounds. This enables MT3D99 to analyze natural attenuation and bioremediation without using a third-party add-on reaction package.
Automatic Restart Option
MT3D99 supports a new automatic restart option to greatly facilitate the continuation run from a previous simulation.
OUTPUT FEATURES
A post-processing program is also included with the MT3D99 package to assist in the plotting of concentration breakthrough curves and contour maps using Surfer or other plotting packages.
However, in order to best visualize the results of MT3D, it is recommended that you utilize a graphical pre-processing and post-processing software package like Visual MODFLOW.
DELIVERABLES & DOCUMENTATION
MT3D99 comes with the executable programs ready to run on any PC. The executable programs are based on dynamic memory allocation to use all extended memory that is available.
The source code, written in standard FORTRAN77, is included for implementation on Macintosh or PC platforms.
A comprehensive users manual provides the model theory, equations and verification with example problems.
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