. An element in the boiler is triaxially stressed, the stresses distribution is given by (see Figure 1). Ox = 75 MPa; oy = 60 MPa; 6 = 50 MPa; Ty = 25 MPa; 1,2 = - 25 MPa; T = 0 MPa. determine the components of this stress state on a x'y' z' coordinate axes system described by the following direction cosines. y x' 2/3 y' z' 2/3 1/3 2/3 -1/3 -2/3 2/3 -2/3 -1/3 Compute also the magnitudes and directions of the principal stresses.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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.An element in the boiler is triaxially stressed, the stresses distribution is given by (see Figure 1).
Oxx = 75 MPa; on = 60 MPa; 0 = 50 MPa; Try = 25 MPa; tyz = - 25 MPa; ta = 0 MPa. determine the
components of this stress state on a x'y' z' coordinate axes system described by the following direction
cosines.
y
2/3
-2/3
-1/3
2/3
1/3
2/3
-1/3
-2/3
2/3
y'
Compute also the magnitudes and directions of the principal stresses.
60 MPa
25 MPа
75 MPa
50 MPa
25 MPа
Figure 1
Transcribed Image Text:.An element in the boiler is triaxially stressed, the stresses distribution is given by (see Figure 1). Oxx = 75 MPa; on = 60 MPa; 0 = 50 MPa; Try = 25 MPa; tyz = - 25 MPa; ta = 0 MPa. determine the components of this stress state on a x'y' z' coordinate axes system described by the following direction cosines. y 2/3 -2/3 -1/3 2/3 1/3 2/3 -1/3 -2/3 2/3 y' Compute also the magnitudes and directions of the principal stresses. 60 MPa 25 MPа 75 MPa 50 MPa 25 MPа Figure 1
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