2. Example – Cantilever beam
Objective:
Display the moment curve
Tasks:
Obtain values in intermediate points?
Create an element table?
Display the moment curve?
Topics:
Element type, pressure load, Element table/output, list
E = 210000N/mm
2
n = 0.3
L = 1000mm
a = 10mm
b = 10mm
p = 10N/mm
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3. Example - title
Utility Menu > File > Change Jobname
/jobname, Example0110 Command line entry
GUI
Enter: Example0110
Utility Menu > File > Change Title
/title, Cantilever beam
Enter: Cantilever beam
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4. Example - Keypoints
Preprocessor > Modeling > Create > Keypoints > In Active CS
/PREP7
K,,,,
K,,100,,
General format:
K,#,X,Y,Z
# Keypoint number
X Keypoint x-coordinate
Y Keypoint y-coordinate
Z Keypoint z-coordinate
Note: An empty #
result in automatic
numbering.
Press Apply
Enter 100 and
Press Apply
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100
Note: An empty box
result in a zero. It is
allowed to enter 0.0
in each box.
5. Example - Numbering
Switch on Keypoint numbersUtility Menu > PlotCtrls > Numbering
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Press OK
6. Example - Lines
Preprocessor > Modeling > Create > Lines > Lines > Straight Line
Create a line between Keypoint 1 and Keypoint 2.
L,1,2
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Computational Mechanics, AAU, Esbjerg
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HINT: By clicking with the right-
hand mouse button you shift
between the Pick/Unpick
function. This is indicated by
the direction of the cursor
arrow:
Pick: upward arrow
Unpick: downward arrow
Press OK or Cancel
to finish selection
7. Example – Element Type
Preprocessor > Element Type > Add/Edit/Delete
Press Add
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8. Example - Element Type
Preprocessor > Element Type > Add/Edit/Delete
Press Options
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Press Help to learn more about the
element.
9. Example – Real Constants
Preprocessor > Real Constants > Add
Place the cursor
on the relevant
element and
press OK
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10. Example - Real Constants
Preprocessor > Real Constants > Add
Press OK
Press Close
to finish
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11. Example - Material Properties
Preprocessor > Material Props > Material Models
Double Click
to step in the
material tree
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12. Example - Material Properties
Preprocessor > Material Props > Material Models
Enter:
Modulus of elasticity
Enter:
Poisson’s ratio
Click here
to Close
Press OK
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13. Example - Meshing
Preprocessor > Meshing > Size Cntrls > ManualSize > Lines > Picked Lines
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Select/Pick
Lines to
specify
mesh size
for
Press OK when finish with selection Enter 1
14. Example - Meshing
Preprocessor > Meshing > Mesh > Lines
Select individual lines to be meshed by Picking
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Select all lines defined to be meshed
NB: It is often necessary to “Clear” the model for
example if Element Type is to be changed
15. Example – Analysis Type
Solution > Analysis Type > New Analysis
File > Write DB log file
Enter “example0110.lgw”
Press OK
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16. Example – Define Loads
Solution > Define Loads > Apply > Structural > Displacement > On Keypoints
Select keypoint 1
Select All DOF to fix/clamp the beam
Press OK
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17. Example – Define Loads
Solution > Define Loads > Apply > Structural > Pressure > On Beams
Select the line
Enter 10
Press OK to finish
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18. Example - Save
Display of Analysis model
Save the model
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19. Example - Solve
Solution > Solve > Current LS
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Press OK
20. Example - PostProcessing
General Postproc > Plot Results > Deformed Shape
Select “Def+undeformed”
and Press OK
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