Direct Contact Monthly Geotechnical Newsletter - GEO-SLOPE International Ltd.

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Direct Contact

Direct Contact is a monthly newsletter keeping you informed of events, sharing software and modeling tips, and making sure you know of new products or releases as soon as they are available.

Direct Contact

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May 2008

Permafrost Thawing and Deformation Study
Model thawing permafrost with TEMP/W, SIGMA/W, and an Add-In. Also in this edition, announcing the dates for the 2008 Banff Geotechnical Modeling Workshop.
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Previous issues of Direct Contact:

2008

April 2008: Predicting Climate-Ground Interactions with VADOSE/W Basic. Catch the power of a 1D VADOSE/W Basic analysis by following along with this detailed example. Also announcing the 2008 UK Geotechnical Modelling Workshop.
February 2008: The Difference Between Global and Analysis Specific Objects. Understand why some objects and properties are shared by all analyses in a file while others are specific to a single analysis.

2007

December 2007: Pressure Plate Drying and Wetting. Read a detailed example illustrating pressure plate drying and wetting using AIR/W.
October 2007: Function Estimation in SEEP/W 2007. Learn how to estimate material property functions using grain-size data or the sample function database. Also read about the Banff Geotechnical Modeling Workshop, the 7.03 service pack, and a new GeoStudio blog.
September 2007: The San Fernando Earthquake. Learn the features and capabilities of GeoStudio 2007 in the context of a famous case history, the San Fernando Earthquake of 1971.
August 2007: The New Interface Model in SIGMA/W 2007. Learn abuot SIGMA/W 2007's all-new interface feature by working through the "filling bucket" model.
July 2007: Add-In Developer's Kit. Create your own Add-In to use in place of any internal function or SIGMA/W constitutive model. Also announcing that GeoStudio 2007 is Certified for Windows Vista, and GEO-SLOPE is selected as one of "Calgary's Best Places to Work."
June 2007: Fall In Love with GeoStudio 2007. Introducing the next generation of the GeoStudio product line.
April 2007: The Blue Line. Learn about what the “blue line” represents in both SEEP/W and SLOPE/W.
February 2007: The GLE Formulation. Learn about how the GLE method can help you determine the appropriate method to use, read new "how-to" articles and find out about support for Windows Vista.
January 2007: Convective Cooling of Surfaces. Learn about how TEMP/W can model convective heat transfer.

2006

December 2006: Soil Strength in SLOPE/W. Learn about the connection between the shape of the slip surface and strength properties.
November 2006: SLOPE/W Error Messages. Learn why checking error message in SLOPE/W is good modeling practice.
October 2006: Lost In Translation.
September 2006: Tips & Tricks, and Software Q&A. Watch a movie to learn about ways you can use pictures to enhance and improve your analysis. Find out how to remotely connect to a network license at your office while you are at home, or on the road.
August 2006: The Summer Edition.
July 2006: New Service Pack, and Tips & Tricks. Download the latest GeoStudio Service Pack and see our new Tips & Tricks section.
June 2006: Boundary Conditions Simplified. Learn how certain boundary conditions are specified and used in the solution process for a finite element analysis.
May 2006: Specifying An Initial Water Table. How to draw an initial water table interpret what you have drawn, and some potential drawbacks of using an initial water table.
April 2006: Exit Angles in SLOPE/W 2004. Read a discussion on Slip Surface Exit Angles in a Limit Equilibrium Analysis. Do you have the latest GeoStudio Service Pack?
March 2006: Modeling Soil-Climate Interaction. Learn about "surface regions", a specialized region type ideally suited for modeling seepage and thermal activity near the soil surface.
February 2006: The Limitations of the Strength Reduction Approach. In this first-person opinion piece, Dr. John Krahn explains "why I don't like the strength-reduction approach for stability analysis".
January 2006: Unit Gradient Boundary Conditions in Seepage Modeling. The boundary condition at the base of a seepage model is typically a "no flow" condition, but this is not true when modeling infiltration at the ground surface or through pond lines or soil covers. Learn how to use a unit gradient boundary condition when neither the pressure nor the flow rate is known.

2005

December 2005: Establishing Insitu Stresses with SIGMA/W. One of the more important aspects of any stress-deformation analysis is establishing the insitu stresses. Learn how to do a "gravity turn-on" analysis with SIGMA/W. Also in this edition, we congratulate Dr. John Krahn on being awarded the R.F. Legget Medal, and we explain how we've made it easier to download your license files.
November 2005: Sensitivity Analysis with SLOPE/W. Learn how a simple sensitivity analysis can be used to help obtain a better understanding of the influence of particular parameters in a slope stability analysis.
October 2005: Display of Most Critical Slip Surfaces. In the early days, the only way to portray a summary of all the safety factors was to contour them on a grid of rotation centers. With today's sophisticated software, there are now other more convenient and meaningful ways which can help interpret slope stability results. Also in this issue, a review of the 5th Annual Calgary Geotechnical Modeling Workshop.
September 2005: Reflections on Ethiopia. John Krahn reflects on his recent trip to Ethiopia to lead a modeling workshop. Also in this issue, watch a video to learn when and how to use function estimation in SEEP/W.
August 2005: SLOPE/W Slip Surface Optimization. Learn how SLOPE/W can distort your slip surface to find the lowest factor of safety. Also in this issue, John Krahn travels to Ethiopia to provide engineering mentorship.
July 2005: Demystifying a transient analysis. Some people panic when they hear the words "transient seepage analysis." However, if you feel your steady-state seepage results do not reflect what you believe to be happening in the ground, it is likely because you are trying to represent a transient condition with a steady-state solution.
June 2005: Serving up new changes on the website... Significant changes are being made to the geo-slope.com website to better serve you. Read about some of the initiatives here, and how Microsoft is interested in what we're doing.
May 2005: Read about the influence of water flow on ground freezing. Also in this issue, the 5th Annual Calgary Geotechnical Modeling Workshop is only a few months away--read the details and register early to save your spot.
April 2005: The coastal landslides in California in the U.S. and British Columbia in Canada were in the news around the world in February. Why did they happen? This edition of Direct Contact uses SEEP/W and SLOPE/W to explain some of the factors.
March 2005: GeoStudio's power lies in the integration between its products. Watch a video showing SEEP/W and SLOPE/W working together. Also learn about upcoming Geotechnical Modeling workshops in the UK and in Calgary. This edition congratulates our CEO, John Krahn, on being awarded an EIC Fellowship.
February 2005: John Krahn describes how to analyze geofabrics with SLOPE/W.
January 2005: A message from the CEO: Numerical Modelling - Prediction or Process? And visit us at Geo-Frontiers 2005 in Texas!

2004

December 2004: Learn how to use GeoStudio 2004 with older data files. Watch movies showing the benefits of unstructured meshing and how GeoStudio 2004 saves you time and effort by ensuring mesh compatibility.
November 2004: Watch a movie demonstrating the power of regions in SLOPE/W 2004, and learn about an important update to GeoStudio 2004.
September 2004: Learn about the next generation of geotechnical software, GeoStudio 2004, and the very affordable Basic Edition.

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