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Slide 4.0Update History

Version 4.016

1. Compute: Effective tensile stresses on the base of a slice that exceeded the tensile strength for non-linear failure models (Hoek-Brown, Power Curve, Barton-Bandis, Hyperbolic, Shear-Normal Functions) were not being handled correctly. This resulted in data files that could not be read by the Interpreter.
2. Compute: For non-linear failure envelopes (Hoek-Brown, Power Curve, Barton-Bandis, Hyperbolic, Shear-Normal Functions), improved the iteration and convergence checks.
3. Compute: Better handling of surfaces with error codes.
4. Modeler: Water surfaces are now disabled for the undrained strength model.


Version 4.015

1. Groundwater Compute: Flow sections would cause an abort. This is fixed.
2. Computes: Added an IDLE state and the programs can now be paused.
3. Computes: In some cases, on a slower machine, the compute engine would finish but the customer could not open the results for a few seconds. File writing is now better synced with program termination.
4. Compute: If a line focus was drawn from farthest to closest to the grid, it sometimes would not work correctly.
5. Interpret: Bolt force diagrams for grouted tiebacks with friction and material dependent tiebacks would only draw in the anchor portion.


Version 4.014

1. Compute: Instantaneous cohesion and friction angles now calculated for all the nonlinear strength functions.
2. Compute: The plot of shear, cohesive and frictional strength along the base of a slip surface was not correct for Hoek-Brown and Generalized Hoek-Brown strength materials. This does not affect the factor of safety.
3. Compute: Undrained strength functions that are a function of depth and immediately above the lower boundary of the model would not give the correct shear strength results when used with composite surfaces. The strength at the top of the material was being used for the strength.
4. Interpret: Polygon fill was not saved to the tools file.
5. Interpret: Copy of the screen image to the clipboard would clip the legend so that it was not entirely visible (unless it was docked).
6. Interpret: Coordinate clipping and improper drawing would occur if the coordinates used in the model where very very large (>32000).


Version 4.013

1. Modeler: Using the drawing tools when the infoviewer was up was extremely slow.
2. Modeler: Using the right-click assign of materials might cause problems when ponded water exists.
3. Compute: Added a prompt for surface generation. This can sometimes take a bit of time and the program would look like it was hung.
4. Compute: Sometimes a point filter with circular surfaces, when it was on the ground surface, would filter out incorrect surfaces with error code -113.
5. Compute: Single circular surfaces no longer respect the filters.


Version 4.012

1. Compute: In extremely rare circumstances, models with soils that have different unit weights above and below the water table would generate incorrect slices. This was obvious if you viewed the slices and slice data.
2. Compute: Models with zero strength materials and a water table that cut through the material (not at the top of the material) would sometimes compute incorrect slice data.
3. Compute: The precise centroid of triangular loads is now computed. The load is now applied through this centroid yielding more accurate results for models with triangular loads.
4. Compute: Improved the Auto search and Slope search to handle zero width slope limits.
5. Compute: Can now open more files for batch processing.
6. Modeler: Materials dialog would reassign unit weight and water table info if the user changed the strength model.


Version 4.011

1. Groundwater Compute: Improved iteration for the unknown boundary condition.
2. New verification tests have been added to the slope stability and groundwater verification manuals.
3. Model: The modeler would not read the interslice side force function correctly from the data file if it was set to Constant.
4. Model: Email files was sometimes disabled, it is now always enabled.
5. Model: User-defined side force functions can now exceed 0 to 1.
6. Model: When moving or inserting vertices, you would have to click in the input edit box with the mouse prior to entering coordinates through the keyboard. This has been fixed.
7. Model: Improved the use of images as a stencil for drawing slope geometry. The transparency is done more efficiently.
8. Model: Under rare circumstances, the entry of a user-defined grid could crash the program.
9. Model: When trying to export user defined functions that contain certain characters in their name the Save As dialog would not show up.
10. Compute: Single surfaces with multiple slope intersections would sometimes not be computed. This has been fixed.
11. Compute: A non-circular surface with very very close vertices in the x dimension would be incorrectly altered.
12. Compute: Non-circular surfaces with duplicate vertices is handled better.


Version 4.01

1. Model: A large number of vertices on the slope (>150) would cause the program to abort.
2. Model: Program would crash if putting in an anchor pattern with grouted-tiebacks and bonded length set to %.
3. Model: After defining a triangular load, the load would be reversed.
4. Model: Improved undo/redo. If multiple instances of the modeler were running, the undo/redo could be corrupted.
5. Model: Piezo line numbering in the infoviewer was wrong.
6. Model: Under very rare circumstances, a crash could occur when going into the distributed loads dialog or the slope limits dialog.
7. Model: Combination right-click setting of groundwater boundary conditions in conjunction with using the boundary conditions dialog could cause the dialog to display bad data.
8. Interpret: Circles drawn in the interpreter might not clip properly to the boundary.
9. Model: When changing the number of stages the load split would be reset. This has been changed such that it is no longer reset.
10. Compute: Triangular loads were not being computed correctly. The loads at the two ends were being switched.
11. Compute: Increased precision in the result file, eliminating problems with circles drawn in the Interpreter.
12. Update to Hardlock and Nodelock software.
13. Added a new groundwater verification example.


Version 4.009

1. Compute: Seismic accelerations were being applied to ponded water. This is no longer the case.
2. Compute: In cases where the unit weight above and below the water table were different, results were not being calculated for certain centers. This has been fixed.
3. Compute: Completely submerged slopes with a depth of water greater than 20 units were not being calculated correctly. The weight of water was only due to 20 units of cover while the pore pressures were correct.


Version 4.008

1. Modeler: The modify dialog for bolt patterns, when using imperial units, would quote metric units. This has been fixed.


Version 4.007

1. Modeler: In certain cases, extra bolts could be installed on top of one-another in a pattern that was added with spacing measured horizontally or vertically. To repair your files, read and store the files again.
2. Modeler: Documentation for the undrained strength model has been improved to reflect the correct definition of the cohesion as a function of depth.
3. Modeler: The custom angle for geogrids and user-defined support can now be defined between -360 and 360 degrees.
4. Compute: The custom angle for geogrids and user-defined support is now measured correctly from the positive x axis.


Version 4.006

1. Compute: Instantaneous Mohr-Coulomb friction and cohesion are now properly reported for the Generalised Hoek-Brown failure criterion. This was only a problem when plotting c and phi on the base of the failure surface. Factor of Safety results are not affected.
2. Modeler: New charts for Generalised Hoek-Brown added.
3. Modeler: Generalised Hoek-Brown parameters GSI, mi, sigci and D are now written to file.
4. Modeler: Bug fix with images and the cursor. Images are now faster.
5. Modeler: Better DXF import and error checking.
6. Modeler: Update to auto-update code and nodelock code.
7. Modeler: Bug fix for network version and path dialog.
8. Interpret: A bug with snapping would occur if a groundwater finite-element analysis is used. When adding drawing tools, the interpreter would snap to the nodes of the groundwater mesh, even though the mesh is not visible. This bug was introduced in version 4.005 and is now fixed.


Version 4.005

1. Compute: The lateral force due to ponded water was not being applied if the left or right most limit of the ponded water corresponded to the x location of a slope limit.
2. Compute: Circular surfaces that intersected the slope surface more than twice in conjunction with a tension crack intersection sometimes gave an incorrect surface.
3. Compute: Circular composite surfaces in conjunction with slope surfaces with overhangs would give an incorrect surface.
4. Compute: The resultant force due to geotextile support could point in the wrong direction if the load orientation was defined as the bisector.
5. Interpret: Queried failure surfaces were sometimes not being drawn correctly, this has been fixed.
6. Interpret: If a groundwater finte-element analysis is used, the slope stability interpreter now shows the phreatic surface computed using the groundwater analysis. The ponded water polyline is now properly clipped as well.
7. All: Updated hardlock code to current API.


Version 4.004

1. Modeler: A bug introduced in version 4.003 where the boundary conditions were inadvertently reset when you remeshed was fixed. This only occurred if the remesh was with elements with midside nodes.
2. Modeler: A bug with moving vertices was fixed. Sometimes the base point associated with the move was getting misplaced.


Version 4.003

1. Modeler: Groundwater file reading and writing has been highly optimized. Reading and writing now take a fraction of the time.
2. Interpret: EMF/WMF image files now export correctly.
3. Improved license management for network versions.
4. Improved look under WinXP.


Version 4.002

1. Groundwater Interpret: Help files added for the groundwater interpreter.
2. Groundwater Interpret: Groundwater interpret reference manual added.
3. Groundwater Interpret: Context sensitive help in all dialogs now works.
4. Groundwater Interpret: Can now right-click on water tables and isolines for deletion.
5. Groundwater Interpret: Can now hide boundary condition values from view.
6. Groundwater Compute: Improved flow calculations for discharge sections in the groundwater analysis engine.
7. Modeler: Some controls (i.e. undo menu) under win9x did not draw properly.
8. Modeler: Number of decimals in coordinates tooltip is not synchronized with coordinates format settings.
9. Modeler: Multiple file open. When last (or the only) file is not successfully opened, program would ask question "Continue opening files?". Fixed.
10. Modeler: Undo/Redo may take you to groundwater mode screen. Fixed.
11. Tooltips for the status bar have been removed (Modeler) or turned off by default (Interpreter).
12. Modeler: The DXF reader is now smart enough to tell whether you have conformed to the Slide layer name format.
13. Interpret: The interval contour option didn't work correctly. Fixed.
14. Interpret: Hot-Cold would get switched to Cold-Hot in the contour options under rare circumstances. Fixed.
15. Interpret: An autoformat contour option could not have both a filled and lines style. Now it can.
16. Interpret: Context sensitive help in all dialogs now works.


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