Density Dependent Water Flow and Contaminant Transport


SoilVision Systems Ltd. would like to announce the release of the addition of fully coupled density-dependent water flow and contaminant transport in ChemFlux™ and SVFlux™. Using the new density-dependent flow capability can improve the accuracy of the simulation of heavy salt water. This new feature has been implemented in 1D, 2D, and 3D models and is enabled to work with the Professional version of SVOffice™ 2009.

Applications of ChemFlux™ with the functionalities of modeling advection, dispersion, absorption, decay, and density-dependent flow include:

  • Contaminant transport in environmental engineering,
  • Solute transport in agriculture,
  • Ground water aquifers in hydrology,
  • Sea salt flow or intrusion,
  • CO2 storage in oil industry, etc.

The modeling of density-dependent flow using fully coupled models of ChemFlux™ and SVFlux™ is benchmarked using Henry’s and Elder’s problems that have been widely utilized as the benchmarks for this type of analysis. The advantage of Henry’s problem is that a semi-analytical solution is available, while the Elder problem is supported by experimental data.

SVOffice™ 2009 provides an easy way to setup a coupled model. All software 'modules' in SVOffice 2009 share a common base. Setting up a coupled problem merely requires the user to open the 'Add coupling...'  options when in either SVFlux™ or ChemFlux™ to add the secondary process. SVFlux and ChemFlux each have their own interface allowing for the user to specify the model settings, boundary conditions, and material properties. The user can then flip back and forth between the two software packages to define model settings, boundary conditions, and material properties that are unique to each process. The geometry remains consistent between the two coupled processes.

Using this unique design methodology, the creation of coupled models is i) highly simplified and ii) generally no different than setting up individual uncoupled models. All of the existing CAD model design features as well as other aspects such as automatic mesh refinement continue to be available and highly applicable to solving a coupled model.The user interface is state-of-the-art and allows fast and easy model creation.

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