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Phase2Developer's Tips

The Influence of Young's Modulus on Modeling Results

Using two simple elastic examples, a wide range of behaviours are discussed that accompany different Young's modulus assumptions. Click here (Phase2 6.006, 10/05)

Phase2 6.0: New Modeling Shortcuts

Phase2 6.0 contains numerous improvements to the usability of its interface, which make the program easier, faster and more intuitive to use. A few of these improvements, which relate to the entry of boundaries and other modeling procedures, are described. Click here (Phase2 6.0, 05/05)

3D Tunnel Simulation Using the Material Softening Method in Phase2

How do I simulate the three-dimensional advance of a tunnel using Phase2?
How do I get the proper deformation prior to support installation?
Click here to find out. (Phase2 5.047, 11/04)

Setting up the Initial Stress State for Surface Models

How do I define the initial stress field under a non-horizontal ground surface?
How do I set up the initial stress field under an embankment using Phase2?
Click here to find out. (Phase2 5.047, 11/04)

Effective Stress with Phase2 using seepage analysis results from Slide

Did you know that Phase2 can be used for soil applications, as well as for the analysis of rock excavations? Click here to see how to use Phase2 and Slide together to carry out a finite element slope stability analysis, using effective stress, in four easy steps. (Phase2 5.04, 09/03)

Finite Element Slope Stability Analysis of Tunnel Portal

Phase2 5.0 results were compared to traditional limit equilibrium slope stability analysis using Slide 5.0. (Phase2 5.038, 06/03)
Slide
Slide image
Phase 2
Phase2 image
Excel
FS vs. displacement
  • View Larger Phase2 Image (100 KB)
  • View Larger Slide Image (55 KB)
  • View FS vs. displacement
         for FEM analysis (56 KB)

  • Download Phase2 Model (117 KB)
  • Download Slide Model (3.13 KB)



  • Model notes: Performed finite element slope stability analysis of tunnel portal using c reduction method. For details on the method read the document "Application of Finite element method to Slope Stability". Phase2 Results were compared to traditional limit equilibrium slope analysis with Slide.

    Program Features: Contours show maximum shear strain for predicted slope failure surface.

    Pseudo-Static

    How does one apply a seismic load in a particular stage of a sequential excavation? Click here to learn how to apply pseudo-static seismic loads using the software Phase2 (5.0). (Phase2 5.028, 09/02)

    Composite Liners


  • View Larger Image (24 KB)
  • View Tutorial (97 KB, PDF format)
  • Download Phase2 Model (starting point, 96 KB, ZIP)
  • Download Phase2 Model (final results, 101 KB, ZIP)



  • This tutorial demonstrates how to apply composite liners to an excavation. A Composite Liner in Phase2 is a liner that may consist of multiple layers of material. The different layers of a Composite Liner may have different material properties and may be applied at different stages. A joint may also be included in the Composite Liner, which will exist between the rockmass and the first liner layer.
    (Phase2 5.01, 09/01)


    Mesh Quality


  • View Larger Image (24 KB)
  • View Tutorial (58 KB, PDF format)
  • Download Phase2 Model (57 KB, ZIP format)


  • This tutorial demonstrates the importance of Mesh Quality in Phase2. This tutorial will also show how to identify a poor quality mesh and explain how to improve the quality of the mesh. The final section of this tutorial also gives tips on avoiding creating a poor quality mesh in the first place. (Phase2 5.01, 09/01)


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