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This spreadsheet calcuates the principal stresses in the trixial state given 6 stress components of 3 normal and 3 shear stress components. A simple assessment is made against four stress criteria dependent upon the yield stress in tension and compression.

Calculation Reference
Prinipal Stress
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Stress Analysis
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Failure Criteria of Materials
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Submitted On:
16 Jul 2014
Submitted By:
File Date:
15 Jul 2014
File Author:
David Backhouse
File Version:
File Size:
140.00 Kb
File Type:
stars/5.gifTotal Votes:1
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#3 DaveBackhouse 2014-07-19 20:34
'Mohr's circle in 3D' is a little misleading as a heading for the graph and it would be better as 'Mohr's circle for a 3D state of stress'. See for a definition of it.
The 3D chart is just the principal stresses drawn at the direction cosine angles but with the maximum value as unity to show relative values in the calculated direction in which they act. Right clicking on the chart should show where the source data comes from.
#2 sonicboomman2008 2014-07-19 15:35
how did you graph that in 3D?
#1 JohnDoyle[Admin] 2014-07-16 08:48
Another Masterpiece! I have extended your XLC Pro subscription by 6 months by way of thanks.

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