a) Show that for an isotropic lamina in plane stress, the strain-stress relations are
a) Show that for an isotropic lamina in plane stress, the strain-stress relations are
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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![1. (a) Show that for an isotropic lamina in plane stress, the strain-stress relations are
€1
11
S12
01
S12 S11
€6
2(S11 – S12),
where S11 = 1/E and S12 = -v/E.
(b) Show that
Q11 Q12
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02
Q12 Q11
06
€6
where
Q11
Q12
and Q66 = +v) ·
1-v² ,](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff419f04b-c70d-43f6-b914-ab6f4a57098f%2F1b35ecd2-9f83-4267-a9fa-8e24aed48f89%2Ffmqi1ed_processed.jpeg&w=3840&q=75)
Transcribed Image Text:1. (a) Show that for an isotropic lamina in plane stress, the strain-stress relations are
€1
11
S12
01
S12 S11
€6
2(S11 – S12),
where S11 = 1/E and S12 = -v/E.
(b) Show that
Q11 Q12
€1
02
Q12 Q11
06
€6
where
Q11
Q12
and Q66 = +v) ·
1-v² ,
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