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Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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3- Let us say you are given a stress tensor in 2D and found that both principal stresses are compressional but they are not of equal magnitude. Can you use Mohr Coulomb criterion to decide for fracture? How can you use the fact that the magnitudes of the two principal stresses one divided by the other in your fracture analysis? Discuss using equations. 4- You have following strain tensor: 30 0 469 e = 0 1 1 012 I Find the corresponding stress tensure assuming linear elasticity (you can call the Lamé coefficients and µ). If this strain happening in a reference volume, calculate the stored strain energy. 5- Give a physical interpretation of the fact that Young's modulus for rubber is less than that for steel.
Transcribed Image Text:3- Let us say you are given a stress tensor in 2D and found that both principal stresses are compressional but they are not of equal magnitude. Can you use Mohr Coulomb criterion to decide for fracture? How can you use the fact that the magnitudes of the two principal stresses one divided by the other in your fracture analysis? Discuss using equations. 4- You have following strain tensor: 30 0 469 e = 0 1 1 012 I Find the corresponding stress tensure assuming linear elasticity (you can call the Lamé coefficients and µ). If this strain happening in a reference volume, calculate the stored strain energy. 5- Give a physical interpretation of the fact that Young's modulus for rubber is less than that for steel.
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