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AutoPIPE Wiki 01. How to change Input thermal expansion coefficients for AutoPIPE analysis?
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              • -01. How to change Input thermal expansion coefficients for AutoPIPE analysis?
                • 01. How to calculate the Thermal Expansion Coefficient in AutoPIPE?
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    01. How to change Input thermal expansion coefficients for AutoPIPE analysis?

    Applies To
    Product(s): AutoPIPE
    Version(s): ALL;
    Environment: N/A
    Area: Grids
    Original Author: Bentley Technical Support Group
    Date Logged
    & Current Version
    Nov. 2016
    10.01.00.09

    Problem:

    How to change Input thermal expansion coefficients for AutoPIPE analysis?

    Solution:

     There are 3 methods to adjust the Thermal Expansion coefficient from the default values found in the material library. 

    Method #1: Change the value on the "Press/Temp/PipeID" Input grid.

    1. Select Segments of piping where the coeff. will be updated. 

    2. Press the toolbar button to "Hide Un-Selected Segments".

    3. On the input grid, select the "Press/Temp/PipeID" tab, furthest Left tab.

    3. On that tab, locate the Case ,1 - 100, whose's coeff values will be updated.

    4. The field maybe grayed out. Un-check the Auto check-box on the left side of the value will change the field so a new user value can be entered.

    5. Change the values as needed. These new values update the model database immediately. 

    Method #2: Change the value using the Modify> Operating Pressure and Temperature.

    1. Select the piping where the coeff. will be updated.

    2. Select Modify> "Operating Pressure and Temperature" command

    3. On the dialog screen locate the temperature Case, 1 - 100,  whose's values will be updated. 

    4. Scan down the aforementioned column until the row for Expansion values (the field maybe grayed grayed out) and un-check the "Auto" check-box on the left side of the value will change the field so a new user value can be entered.

    5. Change the values as needed and press the OK button to apply the new setting(s). 

    Method #3: Update the default values in the Material Library. 

    See online help for modifying / updating the material libraries and change the default values as need in the SRC files before compiling them into LIB files to be used with AutoPIPE.

    Note: If using Pipe Properties Material = NS, the user is responsible for manually updating all fields of data on both the Pipe Properties Dialog and Press/Temp/Pipe ID dialog as needed. There is no AutoPIPE command to update any material library data that is set to manual input. 

    See Also

    "Press/Temp/PipeID" - Input grid tab

    How to calculate the Thermal Expansion Coefficient in AutoPIPE?

    Bentley AutoPIPE

    • Thermal Expansion Coeff
    • Press/Temp/PipeID
    • AutoPIPE
    • grids
    • modify
    • input grids
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    • Mike Dattilio Created by Bentley Colleague Mike Dattilio
    • When: Mon, Nov 21 2016 9:03 AM
    • Mike Dattilio Last revision by Bentley Colleague Mike Dattilio
    • When: Fri, Mar 20 2020 6:01 PM
    • Revisions: 5
    • Comments: 0
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