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Plastic
Deformation |
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·
Through
a rotation of the axes, the stress tensor may be diagonalized. This implies
that shear stresses on the element have been reduced to zero. The axes
are then the Principal axes and the stress tensor is the Principal stress
tensor. |
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·
The
principal axes stress tensor may be separated into a "hydrostatic" and
a "reduced" stress tensor, a procedure that permits modeling of the yield
process. The principal axes are labeled so: σ1
>σ2 >σ3 |
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·
Hydrostatic
Stresses:
All diagonal elements have the same value
· Reduced
Stresses:
Remainders form the diagonal elements |
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