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AutoPIPE Wiki 03. Why does AutoPIPE's Time History output report results not coincide with "Time History Post Processor" results?
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            • A. Report Maximum and Minimum results using AutoPIPE
            • -B. "Time History" Results in AutoPIPE
              • 01. When running Time History analysis, do supports indicate restraint reactions in AutoPIPE's output report?
              • 02. Is there an option to output a time-dependent restraint reaction rather than merely the peak reaction which is output by default in AutoPIPE reports?
              • 03. Why does AutoPIPE's Time History output report results not coincide with "Time History Post Processor" results?
              • 04. Dynamic Time history analysis results are 0.00 in AutoPIPE output report, why?
          • 03. Load Cases Are Not Included In Analysis
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    03. Why does AutoPIPE's Time History output report results not coincide with "Time History Post Processor" results?

    Applies To
    Product(s): AutoPIPE
    Version(s): 2004, XM, V8i 
    Area: Results
    Original Author: Bentley Technical Support Group
    Date Logged
    & Current Version
    Mar. 2015
    09.06.01.10

    Problem:

    Why does the AutoPIPE Time History output report results not coincide with "Time History Post Processor" results?

    "how does AutoPIPE determine which time history forces and moments to use for stresses?" Maybe my question would be clearer with an example. See the plot below. Clearly, the max and min points are 226 and 340 N*m. Now look at the forces and moments output report below--the moment is reported as +395 and -395, depending on which side of the point. It's unnerving that AutoPIPE would report different results in different places. This is at a support (damper), and I have the ZPA option checked. Is AutoPIPE applying some sort of correction at this location, a correction that isn't shown in the time history post-processor?

    Solution:

    From the AutoPIPE help on this dialog see the last line:

    Time History results do not include ZPA corrections.

    Therefore if your time history analysis had ZPA option enabled, then NO the results on this dialog would Not match the output report.

    See Also

    "Time History" Results in AutoPIPE

    Bentley AutoPIPE

    • analysis
    • time history
    • results
    • AutoPIPE
    • Time History Post Processor
    • Report
    • Share
    • History
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    • Cancel
    • Mike Dattilio Created by Bentley Colleague Mike Dattilio
    • When: Tue, Mar 3 2015 8:46 AM
    • Mike Dattilio Last revision by Bentley Colleague Mike Dattilio
    • When: Tue, Jun 18 2019 6:42 AM
    • Revisions: 6
    • Comments: 0
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