Q.4) By using the strain rosette shown in figure below, we obtained the following normal strain data at a point on the surface of a machine part made of steel [E = 207 GPa, v= 0.29]: Eg = 770 µ , & = 520 µ, & = - 435 µ (a) Determine the strain components &, &y, and %y at the point. (b) Determine the principal strains and the maximum in-plane shear strain at the point using Mohr's circle. (c) Draw a sketch showing the angle p, the principal strain deformations, and the maximum in-plane shear strain distortions. (d) Determine the magnitude of the absolute maximum shear strain.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Q.4) By using the strain rosette shown in figure below, we obtained the following
normal strain data at a point on the surface of a machine part made of steel [E =
207 GPa, v= 0.29]:
ε-770 μ,
E = 520 µ,
& = - 435 µ
(a) Determine the strain components &, &, and %y at the point.
(b) Determine the principal strains and the maximum in-plane shear strain at
the point using Mohr's circle.
(c) Draw a sketch showing the angle Op, the principal strain deformations, and
the maximum in-plane shear strain distortions.
(d) Determine the magnitude of the absolute maximum shear strain.
b
' 60°| 60°
Transcribed Image Text:Q.4) By using the strain rosette shown in figure below, we obtained the following normal strain data at a point on the surface of a machine part made of steel [E = 207 GPa, v= 0.29]: ε-770 μ, E = 520 µ, & = - 435 µ (a) Determine the strain components &, &, and %y at the point. (b) Determine the principal strains and the maximum in-plane shear strain at the point using Mohr's circle. (c) Draw a sketch showing the angle Op, the principal strain deformations, and the maximum in-plane shear strain distortions. (d) Determine the magnitude of the absolute maximum shear strain. b ' 60°| 60°
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