Q4 [Total 4 marks] The 3-dimensional state of strain at a material point in x, y, z coordinates is given by: Exx Eyx Επ -120 0-150 [ε ] = ε E E 0 0 0 *10-6 xy yy E E. ε -150 0 240 JZ yz (a) Calculate the volumetric strain and the deviatoric strain invariants [1 mark] (b) Calculate the mean stress and the deviatoric stress tensor [1 mark] (c) Write the characteristic equation of strain [1 mark] (d) Write the characteristic equation of stress [1 mark] The material is linear elastic (E=210GPa, v=0.3).
Q4 [Total 4 marks] The 3-dimensional state of strain at a material point in x, y, z coordinates is given by: Exx Eyx Επ -120 0-150 [ε ] = ε E E 0 0 0 *10-6 xy yy E E. ε -150 0 240 JZ yz (a) Calculate the volumetric strain and the deviatoric strain invariants [1 mark] (b) Calculate the mean stress and the deviatoric stress tensor [1 mark] (c) Write the characteristic equation of strain [1 mark] (d) Write the characteristic equation of stress [1 mark] The material is linear elastic (E=210GPa, v=0.3).
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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![Q4 [Total 4 marks] The 3-dimensional state of strain at a material point in x, y, z
coordinates is given by:
Exx Eyx
Επ
-120
0-150
[ε ] = ε
E
E
0 0
0
*10-6
xy
yy
E
E.
ε
-150 0 240
JZ
yz
(a) Calculate the volumetric strain and the deviatoric strain invariants [1 mark]
(b) Calculate the mean stress and the deviatoric stress tensor [1 mark]
(c) Write the characteristic equation of strain [1 mark]
(d) Write the characteristic equation of stress [1 mark]
The material is linear elastic (E=210GPa, v=0.3).](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fefb4df56-1a59-4d0b-8f87-2a5d1458ac7e%2Fcd0e71b1-e449-48a7-b440-47e2f35a1d0a%2Fp5av6ea_processed.png&w=3840&q=75)
Transcribed Image Text:Q4 [Total 4 marks] The 3-dimensional state of strain at a material point in x, y, z
coordinates is given by:
Exx Eyx
Επ
-120
0-150
[ε ] = ε
E
E
0 0
0
*10-6
xy
yy
E
E.
ε
-150 0 240
JZ
yz
(a) Calculate the volumetric strain and the deviatoric strain invariants [1 mark]
(b) Calculate the mean stress and the deviatoric stress tensor [1 mark]
(c) Write the characteristic equation of strain [1 mark]
(d) Write the characteristic equation of stress [1 mark]
The material is linear elastic (E=210GPa, v=0.3).
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