pac 2012-2013 truss tutorial
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tuturial truss tutorialTRANSCRIPT
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TUTORIAL 1
- TRUSS Structure (Static Analysis) -
TUTORIAL 1
- TRUSS Structure (Static Analysis) -
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Defining the grid:
Remember: The default 2D co-ordinate system is Z-X with Z axis positive direction facing upwards
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For 2D models, set the number of grid spaces along Y axis to 0.
I.I.MODELLINGMODELLING
1.Initial steps
Use the menu: {File → New model} (or the shortcut Ctrl+N)
Choose the measurement units: KN, m, C
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3Defining the material(s):
Use the menu: {Define → Materials}
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4Defining the cross-section(s):
Use the menu: {Define → Frame/Cable Sections}
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5Defining the loads (load cases):
Use the menu: {Define → Load Cases}
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6Drawing the elements:
Use the menu: {Draw → Draw Frame/Cable}, or click on the icon.
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7Releasing degrees of freedom:
Use the menu: {Assign → Frame/Cable → Release/Partial Fixity}
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8Defining the supports:
Use the menu: {Assign → Joint → Restraints}
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9Defining concentrated (point) loads:
Use the menu: {Assign → Joint Loads → Forces}
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10Load Combinations:
Use the menu: {Define → Combinations}
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Please note that this is just a name, the same name you gave when you defined your load cases, e.g. ANY NAME from slides 6 & 13.
You can name your load combination anyway you like as long as you remember how you defined it.
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11Analysis options:
Use the menu: {Analyze}
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12Analysis results:
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Internal forces
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13Analysis results: Table form and export to MS Excel
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