The known stress components at a point in a body, relative to the (x, y, z) axes, are ox = 20MPA, Oy = 10 MPa, txy= 30 MPa, txz = -10 MPa, and tyz = 80 MPa. Also, the second stress invariant is I2 = -7800 MPa. (a) Determine the stress component o,. Then determine the stress invariants I, and I3, and the three principal stresses. (b) Show that I1, I2, and I3, are the same relative to (x, y, z) axes and relative to principal axes (1,2,3).
The known stress components at a point in a body, relative to the (x, y, z) axes, are ox = 20MPA, Oy = 10 MPa, txy= 30 MPa, txz = -10 MPa, and tyz = 80 MPa. Also, the second stress invariant is I2 = -7800 MPa. (a) Determine the stress component o,. Then determine the stress invariants I, and I3, and the three principal stresses. (b) Show that I1, I2, and I3, are the same relative to (x, y, z) axes and relative to principal axes (1,2,3).
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 7.4.21P: -18 through 7.4-25 An clement in plane stress is subjected to stresses a,, ay., and axy. (see...
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![Q1/
The known stress components at a point in a body, relative to the (x, y, z) axes, are ox = 20MPA,
Oy = 10 MPa, txy= 30 MPa, Txz = -10 MPa, and tyz = 80 MPa. Also, the second stress invariant
is I2 = -7800 MPa.
(a) Determine the stress component o,. Then determine the stress invariants I, and I3, and
the three principal stresses.
(b) Show that I1, I2, and I3, are the same relative to (x, y, z) axes and relative to principal
axes (1,2,3).](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6ee2e494-8ad8-4d66-be18-ef449ccf1409%2Fbf3af3f1-11b4-4b05-8fed-bd263bbc1032%2Fswijxa_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Q1/
The known stress components at a point in a body, relative to the (x, y, z) axes, are ox = 20MPA,
Oy = 10 MPa, txy= 30 MPa, Txz = -10 MPa, and tyz = 80 MPa. Also, the second stress invariant
is I2 = -7800 MPa.
(a) Determine the stress component o,. Then determine the stress invariants I, and I3, and
the three principal stresses.
(b) Show that I1, I2, and I3, are the same relative to (x, y, z) axes and relative to principal
axes (1,2,3).
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