使用期限永久
许可形式单机和网络版
原产地捷克
介质下载
适用平台windows
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For solute transport, the code supports both (constant and varying) prescribed concentration (Dirichlet or first-type) and concentration flux (Cauchy or third-type) boundaries. The dispersion tensor includes a term reflecting the effects of molecular diffusion and tortuosity.
The unsaturated soil hydraulic properties are described using Genuchten [1980], Brooks and Corey [1964], Durner [1994], Kosugi [1995], and modified Genuchten type analytical functions. Modifications were made to improve the description of hydraulic properties near saturation.
The HYDRUS software has been linked to other widely used programs in their respective fields of applications (e.g., MODFLOW, PHREEQC, Wetland Module, DSSAT, and Rosetta).
No other software for subsurface hydrology can match any of these accomplishments.
Column infiltration test
Water flow and solute Transport in a field soil profile under grass - seasonal simulation
Two-dimension unidirectional solute transport - comparison with analytical solution
One-dimensional solute transport with nitrification chain - comparison with analytical solution
One-dimensional solute transport with nonlinear cation adsorption - Data from Selim et al. (1987)
One-dimensional solute transport with non-equilibrium cation adsorption
Axisymetrical three-dimensional water and solute infiltration test
One-dimensional water flow with multiple hysteretic loops, data from Lenhard et al. (1991)
Water flow and solute transport from furrow to a drain
Three wetland examples
Additional measures are taken to improve solution efficiency in transient problems, including automatic time step adjustment and ensuring that the Courant and Peclet numbers do not exceed preset levels. The water content term is evaluated using the mass-conservative method proposed by Celia et al. (1990).
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