On Going Projects

Parallelization of TMVOC
Completed - Sponsored by Taisei Corporation, Japan

TMVOC is a numerical simulator for three-phase non-isothermal flow of water, soil gas, and a multicomponent mixture of volatile organic chemicals (VOCs) in multidimensional heterogeneous porous media. It is an extension of the TOUGH2 general-purpose simulation program. TMVOC is designed for applications to contamination problems that involve hydrocarbon fuel or organic solvent spills in saturated and unsaturated zones. It can model contaminant behavior under "natural" environmental conditions, as well as for engineered systems, such as soil vapor extraction, groundwater pumping, or steam-assisted source remediation.

Parallelization of TOUGHREACT

Seeking for funding support

TOUGHREACT is a numerical simulation program for chemically reactive non-isothermal flows of multiphase fluids in porous and fractured media. The program is written in Fortran 77 and was developed by introducing reactive chemistry into the multiphase flow code TOUGH2 V2. The specific features of the code include: interactions between mineral assemblages and fluids can occur under local equilibrium or kinetic rates; the gas phase can be chemically active; precipitation and dissolution reactions can change formation porosity and permeability, and can also modify the unsaturated flow properties of the rock.

Parallelization of TOUGH+
In progress - Partially sponsored by Chevron

TOUGH+ is the new generation of TOUGH2 code. It is written in FORTRAN 95/2003 to take advantage of the object-oriented capabilities and the enhanced computational features of that language. TOUGH+ employs dynamic memory allocation (thus minimizing storage requirements), follows the tenets of Object-Oriented Programming (OOP). One of the key features is that the TOUGH+ can simulate the behavior of hydrate-bearing geologic systems. By solving coupled equations of mass and heat balance, TOUGH+/HYDRATE can model the non-isothermal gas release, phase behavior and flow of fluids and heat under conditions typical of common, natural CH4-hydrate bearing deposits (i.e., in the permafrost and in the deep ocean sediments) in complex formations.

Parallelization of MODFLOW and MT3D
Seeking funding - If are you interested in sponsoring this project, please contact Keni Zhang

The MODFLOW program was developed by the United States Geological Survey (USGS) and MT3D was developed by Chunmiao Zheng. These two programs are the most widely used groundwater flow and contaminant modeling programs in the world. We intend to develop black boxes for these two programs; everything will stay the same as original codes, except using parallel computation. The parallel programs will enhance modeling capacity in term of model size and simulation time in 1 to 3 orders of magnitude. Users will essentially use the same inputs to achieve the same results as the original code, while experiencing a much faster simulation and much larger problem solving capacity. All these features have been realized in TOUGH2-MP. We intend to apply the parallelization techniques used in TOUGH2-MP to these two codes.