Question: For the given stress field [ ] = [ 1 2 1 2 1 - 4 1 - 4 - 3 ] MPa Find: a

For the given stress field
[]=[12121-41-4-3]MPa
Find:
a) Characteristic equation
b) Principal stresses and principal planes
For the given stress field [ ] = [ 1 2 1 2 1 - 4

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