Two of the stress components in a 2-D plane stress system are found to be: = 5.0 MPa. бy It has also been determined that one of the principal directions is inclined to the x-axis by an angle of 0 (measured anti-clockwise). (a) What is meant by a “principal plane", and by a “principal direction"? (b)Determine the value of the stress component txy. (c) Find the values of the principal stresses 0, and 02.

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 7.2.8P: An element in plane stress on the fuselage of an airplane (figure part a) is subjected to...
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sigma x =10 Mpa

Two of the stress components in a 2-D plane stress system are found to be:
= 5.0 MPa.
бy
It has also been determined that one of the principal directions is inclined to the
x-axis by an angle of 0 (measured anti-clockwise).
(a) What is meant by a “principal plane", and by a “principal direction"?
(b)Determine the value of the stress component txy.
(c) Find the values of the principal stresses 0, and 02.
Transcribed Image Text:Two of the stress components in a 2-D plane stress system are found to be: = 5.0 MPa. бy It has also been determined that one of the principal directions is inclined to the x-axis by an angle of 0 (measured anti-clockwise). (a) What is meant by a “principal plane", and by a “principal direction"? (b)Determine the value of the stress component txy. (c) Find the values of the principal stresses 0, and 02.
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