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Anisotropy in Seepage Analyses

Laboratory tests on stratified materials often reveal values for hydraulic conductivity that are anisotropic: different in the horizontal and vertical directions. However, anisotropic ratios from laboratory tests, when applied to field situations, can result in unrealistic solutions.

This detailed example addresses how to use the anisotropic feature in SEEP/W, and discusses the issues that can affect anisotropy.

Read the whole Detailed Example and follow along in GeoStudio 2007 using the SEEP/W data file.

Anisotropy In Seepage Analyses (931 KB)

GeoStudio 2007 - 7.13 Release

Since our last release, we have been working on several important improvements to the software. As usual, version 7.13 is a free upgrade for all GeoStudio 2007 customers, but you may be asking, "why should I bother?" Here are just a few of the key improvements that we've made:

Spatial functions can be linearly interpolated rather than kriged.

Improvements to contouring spatial functions make the contours more accurate.

Spatial functions can be previewed prior to being applied to regions.

Verify now checks for overlapping geometry lines.

Additional control over convex angles for fully-specified slip surfaces.

The optimized factor of safety can no longer be larger than the critical slip surface.

Include a potential seepage face above the elevation defined with a function.

Better default values for certain convergence parameters.

Spring Constant vs Displacement functions are once again supported.

VADOSE/W now supports thermosyphons.

Plus more than 120 other improvements to the software!

Visit the Downloads page to update your software and read the release history for more details.

The Annual Geotechnical Modeling Workshop in Banff

With a full conference room of eager people and a brand new format, the 8th Annual Geotechnical Modeling workshop was definitely among the best we've ever held. Nestled in the heart of the Canadian Rocky Mountains, the Banff Conference Centre was a perfect setting for attendees to learn, enhance and fine-tune their numerical modeling skills under the personal guidance of GEO-SLOPE personnel.

Many thanks to all of the attendees, and the special group of people at GEO-SLOPE who helped to make the workshop such a great success! We are looking forward to next year's workshop and will post dates and locations when they become available.

If you have any concerns regarding GEO-SLOPE's privacy policies, please write to us at:

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    1400, 633 - 6th Avenue SW
    Calgary, Alberta, Canada
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Volume 4, Issue 6
October 2008

In this issue:

• Anisotropy in SEEP/W
• 7.13 Release
• Banff Workshop

Happy Birthday!
Grokking GeoStudio celebrates its first anniversary. Well done to Nate and the readers for reaching this significant milestone in the blogosphere.

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