Question: Stress tensor ( 3 0 points ) In a 3 D Cartesian coordinate system O 1 2 3 , the stress tensor takes on the

Stress tensor (30 points)
In a 3D Cartesian coordinate system O123, the stress tensor takes on the following form:
=(tj)=([1,2,3],[2,0,0],[3,0,0])106Pa.
Determine:
The principal stresses of (t):1,2,3 with 1>2>3; (10 points
Stress tensor ( 3 0 points ) In a 3 D Cartesian

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