is positioned at point A for strain measurement. The orientation of the strain rosette is shown in Fig. 1b. The material properties are given as E = 200 GPa, G = 77 GPa and v = 0.3. If P = 10 kN and T= 250 Nm, find the following: i. The state of stress at point A and sketch the stress element. ii. The principal stress at point A and sketch the stress element. iii. The principal strain at point A and sketch the strain element. iv. The values of each strain gauge (ɛa, &b and &c). V. Name one change that can be done to lower the strain value at point A.

is positioned at point A for strain measurement. The orientation of the strain rosette is shown in Fig. 1b. The material properties are given as E = 200 GPa, G = 77 GPa and v = 0.3. If P = 10 kN and T= 250 Nm, find the following: i. The state of stress at point A and sketch the stress element. ii. The principal stress at point A and sketch the stress element. iii. The principal strain at point A and sketch the strain element. iv. The values of each strain gauge (ɛa, &b and &c). V. Name one change that can be done to lower the strain value at point A.

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter7: Analysis Of Stress And Strain

Section: Chapter Questions

Problem 7.7.15P: A brass plate with a modulus of elastici ty E = 16 X 106 psi and Poisson’s ratio a = 0.34 is loaded...

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