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SEEP/W 2012 groundwater seepage analysis.
Modeling seepage below a cutoff wall using interface elements and anisotropy

SEEP/W is a finite element CAD software product for analyzing groundwater seepage and excess pore-water pressure dissipation problems within porous materials such as soil and rock. Its comprehensive formulation allows you to consider analyses ranging from simple, saturated steady-state problems to sophisticated, saturated/unsaturated time-dependent problems. SEEP/W can be applied to the analysis and design of geotechnical, civil, hydrogeological, and mining engineering projects.

SEEP/W can model both saturated and unsaturated flow, a feature that greatly broadens the range of problems that can be analyzed. In addition to traditional steady-state saturated flow analysis, the saturated/unsaturated formulation of SEEP/W makes it possible to analyze seepage as a function of time and to consider such processes as the infiltration of precipitation. The transient feature allows you to analyze such problems as the migration of a wetting front and the dissipation of excess pore-water pressure.

Easy to Use

Defining a Seepage/Air flow Model

Beginning an analysis is as simple as defining the geometry by drawing regions and lines that identify soil layers, or by importing a DXF™ file. Then graphically apply boundary conditions and specify material properties. Material properties can be estimated from easily measured parameters like grain-size, saturated conductivity, saturated water content, and the air-entry value.

Viewing the Analysis Results

Once you have solved your seepage analysis, SEEP/W offers many tools for viewing results. Generate contours or x-y plots of any computed parameter, such as head, pressure, gradient, velocity, and conductivity. Velocity vectors show flow direction and rate. Transient conditions can be shown as a changing water table over time. Interactively query computed values by clicking on any node, 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

SEEP/W can model almost any groundwater problem, including:

  • Dissipation of excess pore pressure after reservoir drawdown
  • Changes in pore-water pressure conditions within earth slopes due to infiltration of precipitation
  • Mounding of the groundwater table beneath water retention structures such as lagoons and tailings ponds
  • Effect of subsurface drains and injection wells
  • Drawdown of a water table due to pumping from an aquifer
  • Seepage flow quantities into excavations
  • Use AIR/W and consider the true matric suction (Ua-Uw) mechanisms
  • Integrate with TEMP/W and consider flow in freezing and thawing soils
  • plus many more!

* Microsoft, Windows and Excel are trademarks or registered trademarks of Microsoft Corporation in the United States and/or other countries. DXF is a trademark or registered trademark of Autodesk, Inc., and/or its subsidiaries and/or affiliates in the USA and/or other countries.

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