10-9. The state of strain at the point has components of Px = 180(10-6 ), Py = -120(10-6 ), and gxy = -100(10-6 ). Use the strain-transformation equations to determine ( a) the in-plane principal strains and ( b) the maximum in-plane shear strain and average normal strain. In each case specify the orientation of the element and show how the strains deform the element within the x-y plane. | |
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