Feature Focus

April 29, 2009

Significant work has been performed at SoilVision Systems Ltd. over the recent months on extending and adding to the 1D abilities of SVFlux, ChemFlux and SVHeat. In particular it has been found that there is an extensive need in industry for simple 1D analysis which can tell us all about the vertical flow of water, heat and contaminants in the soil. These improved abilities are summarized below:

  • Full coupling of the SVFlux and ChemFlux software
  • Enhanced visualization of the 1D models include long term cumulative graphs of net flows up and down at the surface
  • Adding 1D abilities to the SVHeat package

In 1D analysis with SVFlux, there can be extensive knowledge gained regarding the performance of earth covers for reclamation activities at a mine site.

The movement of salts up and down in the upper portion of the soil profile can be calculated using the 1D version of ChemFlux.

SVHeat can be used for 1D analysis in determining the freezing depth for permafrost calculations and the long-term impacts of climate change on the ground. Such improved analysis has a number of applications throughout industry.

The following examples are included in our downloadable distributed models and can be viewed for demonstration purposes. They include a 1D cover design, a coupled ChemFlux and SVFlux analysis and a thermal analysis which highlights the ability of the software to calculate freezing fronts over time.

  • SVFlux: EarthCovers > Cover18in1D
  • ChemFlux: EarthCovers > Coupled_Salt_Water
  • SVHeat: EarthCovers > FreezingProfile_wClimate

Model: Cover18in1D

Model: Coupled_Salt_Water

Model: FreezingProfile_wClimate

Figure 1: Geometries of 1D Models

Enhanced visualization of the 1D models has also been added to the software may be seen in the following screenshots. The long term cumulative graphs of net flows up and down at the surface and as well at any depth in the numerical model can also be visualized as shown in Figure 2 on the left. Therefore the long term affects of the software of the improvements in the 1D applications of these packages can be realized. It is also possible in the latest version to plot minimums and maximums of saturations (or any other variable) as a function of depth as shown in Figure 3 on the right.

Figure 2: Cumulative fluxes from the top of the cover

Figure 3: Minimum and maximum saturations plotted vs. depth

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