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icipal straihs. aws to find the principal str Jy, and tyy directly from ɛ principal stresses directly fre he answers to B.

icipal straihs. aws to find the principal str Jy, and tyy directly from ɛ principal stresses directly fre he answers to B.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Strain gauges mounted on a free surface of a piece of steel (E = 205 GPa, v = 0.29) indicate strains of ɛx = -0.00042, ɛy = 0.00071, and yxy = 0.00037. 5. A. Calculate the principal strains. B. Use Hooke's laws to find the principal stresses from the principal stresses. C. Calculate 0x, Oy, and txy directly from Ex, Ey, and y xy. D. Calculate the principal stresses directly from Ở x, Ở y, and Txy and compare your answers with the answers to B.
Transcribed Image Text:Strain gauges mounted on a free surface of a piece of steel (E = 205 GPa, v = 0.29) indicate strains of ɛx = -0.00042, ɛy = 0.00071, and yxy = 0.00037. 5. A. Calculate the principal strains. B. Use Hooke's laws to find the principal stresses from the principal stresses. C. Calculate 0x, Oy, and txy directly from Ex, Ey, and y xy. D. Calculate the principal stresses directly from Ở x, Ở y, and Txy and compare your answers with the answers to B.
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