2a. The delta strain gauge rosette shown in Figure 2a is attached to a structural component and measures the following strains: e, = 775x106, ɛz = 415×106, ɛ̟ =-515x10°. Determine the principal strain and principal stress components in both magnitude and direction given that the structure has a Young's Modulus of E = 200×10² N/mm? and Poisson's ratio of v = 0.3 . Show the directions of the principal stresses on a properly oriented stress element relative to the x,y coordinate system. 60° 60° 60° Figure 2a

2a. The delta strain gauge rosette shown in Figure 2a is attached to a structural component and measures the following strains: e, = 775x106, ɛz = 415×106, ɛ̟ =-515x10°. Determine the principal strain and principal stress components in both magnitude and direction given that the structure has a Young's Modulus of E = 200×10² N/mm? and Poisson's ratio of v = 0.3 . Show the directions of the principal stresses on a properly oriented stress element relative to the x,y coordinate system. 60° 60° 60° Figure 2a

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 7.7.20P: A strain rosette (see figure) mounted on the surface of an automobile frame gives the following...

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