4 of 4(b) The 45° strain rosette is mounted on a steel shaft. The following readings are obtainedfrom each gauge are shown in Figure Q2(b).i.ii.Ea = 800 x 106, & = 520 x 106 and & = -450 x 10-6,Find the strains values in the x-y directions and draw the strain element diagram ofthat direction.Find the principal strain values and draw the strain element diagram of that direction.iii. Find the maximum shear strain value and draw the strain element diagram of thatdirection.iv.If the properties of the structure have E = 208 GPa and v = 0.28, find the magnitudeof the principal stresses.b45°45°Figure Q2(b)[[8 marks]

Answered: Image /qna-images/answer/09398278-33ac-440c-878a-583ff5dfe07c.jpg

Answered: 4 of 4 (b) The 45° strain rosette is…

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 7.7.19P: During a test of an airplane wing, the strain gage readings from a 45° rosette (see figure) are as...

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A strain rosette (see figure) mounted on the surface of an automobile frame gives the following readings: gage A,310 × 10-6:gage B,180 × l0-6; and gage C. -160 × 10-6. Determine the principal strains and maximum shear strains, and show them on sketches of properly oriented elements.
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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.
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