The strains measured with a 60⁰ strain rosette are ϵa = R/3 x 10^-6 , ϵb= - R/2 x 10^-6 , and ϵc = R/8 x 10^-6 . Using E = 200 GPa and µ = 0.3, find the principal stresses and their directions. Show the results on a sketch of a properly oriented element.

The strains measured with a 60⁰ strain rosette are ϵa = R/3 x 10^-6 , ϵb= - R/2 x 10^-6 , and ϵc = R/8 x 10^-6 . Using E = 200 GPa and µ = 0.3, find the principal stresses and their directions. Show the results on a sketch of a properly oriented element.

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 7.7.11P: The strains for an element of material in plane strain (see figure) are as follows: x = 480 ×10-6. y...

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Q#7: The strains measured with a 60⁰ strain rosette are ϵa = R/3 x 10^-6 ,

ϵb= - R/2 x 10^-6 , and ϵc = R/8 x 10^-6 . Using E = 200 GPa and µ = 0.3, find the principal stresses and their directions. Show the results on a sketch of a properly oriented element. Use R=980

Note : For Clearance of Question Please Refer to Attached Picture.

Q#7: The strains measured with a 60°-strain rosette are c, = R/3 x 10°, 6 = - R/2 x 10“, and c =
R/8 x 10°. Using E = 200 GPa and µu = 0.3, find the principal stresses and their directions. Show
the results on a sketch of a properly oriented element.

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