How to input C, D, E and F points of a L-section beam under bending?
L section beam is a non-symmetric cross section beam so it seems a bit uneasy task to insert the 4 points, viz. C, D, E and F points of the cantilever beam under bending from the free end. Can anyone help me out here?
Answers
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Instead of using a PBEAM property, you can easily use a PBEAML property, as it already have the most common standard sections, and automatically computes stress points 1 to 8 for you, as the attached document from PBEAML help of OptiStruct.
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How can you locate cdef points in L-section Explain clearly0
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Sohan Desai said:
How can you locate cdef points in L-section Explain clearly
Y and Z are the local section coordinates, as shown in the picture below.
The stress values are computed for the local Y and Z axis going through the section Shear Center.
Just like the image on the PBEAML documentation:
If you define points C, D, E and F like this, you will get the same results as teh PBEAML
Notice that PBEAML property already give you these points with no need of further definition.
PBEAM (elements 1 to 10)
PBEAML (elements 11 to 20)
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