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TRIFLEX® Windows Version History
 

TRIFLEX® Windows 2.1.0 Enhancements & Modifications
23 July 2002

Enhancements

1. Response Spectrum Analysis -- TRIFLEX® Windows now has the ability perform analyses based on defined vibration spectra, adding the loading so induced into the occasional load considered for one or more case definitions. As a byproduct of this addition, the ability to store, recall, and edit specific spectral definitions was included, as well as the ability to view the spectrum graphically.

2. Time History Analysis -- TRIFLEX® Windows dynamic capability has been enhanced with the ability to specify user defined or preprogrammed time dependent forcing or displacement functions at selected nodes of the piping system. The effect of the time variant function on the displacement of the system may then be shown graphically in an animation sequence. The loading so imposed has an effect on the system displacement, forces, moments, and stresses, which may be viewed on a spreadsheet at each time increment. The maximum of these system effects can be added onto the occasional loading for one or more case definitions.

3. Water Hammer System Reactions -- Water hammer analysis has been added to TRIFLEX® Windows, automatically calculating the system response to rapidly changing incompressible fluid flow conditions. Working through the Time History mechanism, this feature calculates the forcing functions at the piping system nodes along with their time of arrival, allowing the user to simulate a water hammer event.

4. Input Parameter Graphic Display -- Several of the parameters assigned to a component of the piping system during input including pipe sizes and properties, insulation characteristics, operating and design pressures and temperatures, wind and soil loading details, and allowable stresses, may be mapped onto the piping system as a set of predefined colors. In addition, the function of the graphic scale has been updated to translate the color code back into text.

5. Calculation Progress Log Control – The display of the calculation progress log can now be controlled from a dialog brought up with the CALCULATE / PROGRESS LOG PREFERENCES menu item, allowing the user to clear the log after each run or on demand and specifying whether a full, summary, or acknowledgement report is displayed during the calculation. The error message text for several error conditions occurring in the calculator routines, PREPRO.EXE and TFSD.EXE were modified such that they could be recognized while displaying a summary report.


Modifications


1. Printing of the Progress Log is now functional – Using the FILE / PRINT or FILE / PRINT PREVIEW menu selections now works properly when the Calculation Progress Log is displayed on the screen, allowing the user to send the text directly to a printer rather than having to go through an auxiliary text editor.

2. Spreadsheet libraries modified – An inconsistency arising when using a Windows 98 based operating system with a new release of our third party spreadsheet library in which some characters were dropped from the spreadsheet display, has been resolved.

3. Display of Flexible Joints Changed – Flexible joints are now represented differently (extruded 4-point star) on the piping system rendered graphic display than are rigid joints (extruded square). This change is in preparation of including the actual shape and orientation specification for flexible members to be displayed in a later release.

4. Display of Dampers Changed – When dampers are specified they are now displayed in the graphical representation of the piping system as shown in both line and rendered mode.

5. Copy Spreadsheet for Anchor Forces and Moments – The copy spreadsheet function left off the last line when trying to transfer information from TRIFLEX® Windows to Excel or a similar spreadsheet. This problem has been corrected.

6. Setting Wind Load at First Anchor – TRIFLEX® Windows now allows setting wind load at the first anchor such that it can be rippled to succeeding components. Previously this action caused a program malfunction.

7. Printing of Input Spreadsheet – TRIFLEX® Windows no longer experiences difficulty when trying to print the input spreadsheet prior to running a calculation.

8. Valve Database Changes Accessible – The valve component dialog now works properly and recognizes user changes made to the valve database.

9. Database modification to 12” Pipe – Previously the database entry listed an incorrect value for the default wall thickness for 12” Schedule 80 pipe. This is now corrected to the ANSI standard value.

10. Default Reducer Length Modified – The default reducer length used by the reducer component dialog has been changed such that the same length is given regardless of whether the reducer is used as an expander or reducer, hence direction of coding the system no longer is an issue with regard to default reducer length.

11. API 610 Input Dialog – The API 610 input dialog now functions properly, recognizing the update command button.

12. Graphic Print of Empty System – If no components have been defined, selection of the FILE/ PRINT menu item no longer causes a program crash.

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