Three strain gauges are attached on the surface of the plane frame which is shown in Figure. The angle between each strain gauges are θº=63º. Reading from these gauges are: εa= 1100 μ, εb =335 μ and εc = -240 μ Calculate: (a) The principal strains (b) The maximum shear strain

Three strain gauges are attached on the surface of the plane frame which is shown in Figure. The angle between each strain gauges are θº=63º. Reading from these gauges are: εa= 1100 μ, εb =335 μ and εc = -240 μ Calculate: (a) The principal strains (b) The maximum shear strain

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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Question

Three strain gauges are attached on the surface of the plane frame which is shown in Figure. The angle between each strain gauges are θº=63º. Reading from these gauges are: εa= 1100 μ, εb =335 μ and εc = -240 μ
Calculate:
(a) The principal strains
(b) The maximum shear strain

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