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TRIFLEX® Windows Version History

 

TRIFLEX® Windows 2.6.2
September 9, 2005

Enhancements

1. Interchange Axes – A new feature has been incorporated where the user can interchange coordinate axes for a selected set of components. This allows, among other things, the rotation of the selected components by 90 degrees. Also the dialog for axes interchange includes the ability to ‘Flip’ axes without having to go through the copy-paste routine allowing ‘mirroring’ of the selected components.

2. Mouse Scroll Wheel – TRIFLEX®Windows now allows the mouse scroll wheel to be used to zoom in and out of the graphic model. The use of the wheel is analogous to the software thumb wheel on the right hand side of the graphic view.

3. View Results Spreadsheet Reports – Several additions have been added to the View Results spreadsheet, including viewing reports for selected components only and viewing selected reports sorted by load case rather than by data point. Those reports that may be viewed by load case include Anchor Movements and Forces, Restraint Movements and Forces, and Global Movements and Forces. These reports may include or exclude sub cases, and, should a dynamics time history case be available, they can give a detailed listing of all available items versus time.


Modifications

1. Input Spreadsheet Temperature and Pressure – Adding or deleting cases did not increase the number of columns shown on the input spreadsheet and therefore the spreadsheet could not display the temperature and pressure associated with the extra cases. This problem has been corrected by updating the spreadsheet if necessary after leaving the Case Definition dialog.

2. Thermal Expansion Coefficient for FRP – The thermal expansion coefficient for FRP/GRP piping in the database now properly updates with base or operating condition temperature changes.

3. Number of Loading Cycles – In the changes made to the previous version, the transfer from dialog to system data storage for the number of loading cycles used in calculating fatigue usage factor was inadvertently short circuited. The connection has been reestablished.

4. Fatigue Analysis – The previous version curtailed fatigue analysis only to the first six load cases. This restriction has been removed and all defined cases now participate in the analysis and computation of cumulative usage factor.

5. Process Data in Code Compliance Dialog – The communication between the Process tab and the Code Compliance tab in the component entry dialogs have been corrected such that temperature data entered for an operating condition of a particular case is properly reflected in the allowable stress for that case. This was an issue in B31.1 and B31.3 Code compliance analyses where allowable stress is retrieved from material tables. In the remaining codes, or for generic materials, the value of allowable stress is to be entered by the user.

6. Allowable Stress Entry – The previous version of the program (2.6.1) had a malfunction which prevented allowable stress modification by the User in a number of code compliance dialogs, including the Norwegian (TBK51 and TBK52), Swedish (SPC1 and SPC2), Navy, Nuclear Codes (ACL2 and ACL3), Euro Code, and B31.5. In these codes the default value of allowable stress for a particular material was selected. This problem has been fixed and users are able to modify the allowable should they wish to choose a value different from the default.

7. Piping System Properties Report – The temperature column of the Piping System Properties Report in the View Analysis Results Section was not reported properly for a case index exceeding six. This was a carry over from the previous limitation of six load cases that was removed in the last release. This problem has been corrected.

8. PCF Import – PCF import capability has been improved to include o-let and tee-set-on which connect to the centerline between the end points of a pipe. These elements previously were flagged as erroneous due to the TRIFLEX?Windows rule stating that all piping system connections be at defined nodes. Further, all components not recognized by the import engine are treated as rigid joints, thus solving related connectivity errors. Should there be problems with importing, the User should verify the connectivity points on the PCF file itself.

9. Dynamic Analyses with Fatigue – Another problem associated with the expansion of possible load cases from six to any number required, was an error in the reporting of Code Compliance data when a fatigue analysis was requested along with a dynamic analysis, either Time History or Response Spectrum. This release rectifies this issue.

10. Copy and Paste with Unlimited Load Cases – A problem was found when trying to copy portions of piping systems to other systems when the two had a different number of defined load cases. In versions prior to 2.6.1, a predefined number of six cases was assigned to all piping systems so this was not a problem; however, now, the case number is variable. Program modifications have been instituted which will make the pasted to system the controlling parameter, so the number of cases for those components on the clipboard will be adjusted to be equal to that of the system to which they are to be pasted. Process and code compliance data is carried over from the clipboard to the extent to which it is applicable.

11. Modal Participation Factor Report – An error preventing the Modal Participation Factor report from displaying has been fixed.

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