View the original text>>> Practical technical application of TOUGH series software throughout the process
TOUGH series software was developed by Lawrence Berkeley Laboratory in the United States. It is a general simulation software designed to solve the problem of groundwater and heat migration in unsaturated zones. Different from traditional groundwater simulation software Feflow and Modflow, TOUGH series software adopts modular design and finite integral difference meshing method. By matching different state equations (EOS module), the software can handle various complex geological conditions, such as geothermal energy. development, unsaturated zone water and gas migration, oil and gas migration, deep carbon storage, natural gas hydrate development and various environmental remediation and other issues.
For example: TOUGHREACT is based on TOUGH and adds a hydrogeochemistry module. Its functionality basically includes all modules of PHREEQC, and truly completes the full coupling of migration reaction simulation. Compared with the past groundwater pollution problems that only considered the convection and dispersion process, TOUGHREACT has more advantages in dealing with complex water-rock interaction problems.
The TMVOC module is developed based on TOUGH and is a three-phase non-isothermal flow simulation tool for water, air and multi-component volatile organic compound mixtures in multi-dimensional heterogeneous media. TMVOC was originally designed to deal with pollution problems caused by the escape of hydrocarbon substances or organic solvents in saturated and unsaturated zones. Later, it integrated numerical implementation of engineering restoration, including soil adsorption, gas phase extraction, groundwater extraction, and steam assistance. Restoration, biodegradation technology, etc.
At present, the TOUGH series software has been widely used in scientific research work in various fields of universities, and continues to penetrate into production; with the continuous development and improvement of various functions, TOUGH has shown strong vitality. Through theory and computer practice, this article enables everyone to basically master the program structure, meshing, file input and output formats, general model settings and pre- and post-processing of the TOUGH series software, and cultivate their ability to independently solve scientific problems in their respective fields. In particular, this article provides a more comprehensive and systematic introduction and practice to Petrasim; at the same time, it adds some content, such as support for TOUGHIO, TOUGH-CSM and EGS modules.
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Note: Please prepare your own computer and install the required software in advance.
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