Beranda TUTORIAL OTHER GeoStudio 2012: CTRAN/W Tutorial

GeoStudio 2012: CTRAN/W Tutorial



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Bahasa : English
Format : .mp4
Durasi : 17 menit
Ukuran : 65 Mb

GeoStudio 2012: CTRAN/W
CTRAN/W is a finite element CAD software product that can be used to model the movement of contaminants through porous materials such as soil and rock. The comprehensive formulation of CTRAN/W makes it possible to analyze problems varying from simple particle tracking in response to the movement of water, to complex processes involving diffusion, dispersion, adsorption, radioactive decay and density dependencies. CTRAN/W can be applied to the analysis and design of geotechnical, civil, hydrogeological, and mining engineering projects.

CTRAN/W is designed to be used in tandem with a seepage analysis such as SEEP/W to analyze contaminant transport.SEEP/W computes the water flow velocity, volumetric water content, and water flux; CTRAN/W uses these parameters to compute the contaminant migration.

Defining a Contaminant Transport Model
Once you have solved your flow problem with SEEP/W or VADOSE/W, you can use the graphical tools in CTRAN/W to interactively apply boundary conditions and specify material properties. Conduct a simple particle tracking analysis, or define dispersivity, diffusion, adsorption, decay and density to conduct an advection-dispersion analysis.

Viewing the Analysis Results
After solving your contaminant transport problem, CTRAN/W offers many tools for viewing results. Generate contours or x-y plots of any computed parameter, such as concentration, mass, adsorption, dispersion, or Peclet and Courant numbers. Velocity vectors show the flow direction and rate. Examine the contaminant mass in the solid and liquid phases at any location. Transient conditions can be shown by plotting the changing concentration levels over time. Interactively query computed values by clicking on any node, element Gauss region, or flux section. Then prepare the results for your report by adding labels, axes, and pictures, or export the results into other applications such as Microsoft® Excel® for further analysis.

Typical Applications
CTRAN/W can model almost any contaminant transport problem, including:

  • Flow of contaminants from a surface pond
    Flow of dissolved hydrocarbons
    Flow of radioactive contaminants
    Transport through fractured rock
    Sea-water intrusion into coastal aquifers
    Brine transport
    Landfill leachate migration


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